Freedom R8100 SERIES Operator'S Manual Download Page 148 | Manualshive

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Figure 3.2.8.6.1-4

NXDN™ Eye Diagram with display in Fade Away mode

2.2.7.5.1.4

Meter Zone

See 2.2.5 Meter Zone for standard selections.

2.2.7.5.2

NXDN™ receiver tests

These tests are performed with the R8100 in Generate mode – see Figure 3.2.8.6.2-1. The R8100 generates
NXDN™ CAI compliant test patterns and can be adjusted over a wide range of RF levels to determine
the sensitivity and data transmission integrity of the NXDN™ radio.

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Summary of Contents for R8100 SERIES

Page 1: ...OR S MANUAL Documentation for firmware version 2 0 0 0 Freedom Communication Technologies 2002 Synergy Blvd Suite 200 Kilgore Texas 75662 USA Tel Fax 1 844 903 7333 Freedom Communication Technologies...

Page 2: ...rating Voltage 14 1 3 2 DC Power Source 14 1 3 3 Maximum Meter In Voltages 14 1 3 4 Replacement Fuses 15 1 3 5 Other Cautions 15 1 3 6 User Maintenance of exterior surfaces 15 1 4 SERVICE 16 1 5 REPLA...

Page 3: ...226 3 2 DHCP Server Setup 227 3 3 Network Port Setup 228 3 4 Computer Setup 229 3 4 1 Setup 229 3 4 2 Control 230 3 5 Disable Remote Access 230 3 6 Verification Troubleshooting Information 230 4 TEST...

Page 4: ...6 Squelch Sensitivity Test 236 4 3 Cable Fault Testing 237 4 3 1 Cable Fault Locator Setup and Operation 237 Appendix A Glossary List of Abbreviations and Acronyms 246 Appendix B Tone and Code Specifi...

Page 5: ...40 Figure 3 2 3 1 RF Zone display after Duplex key press 42 Figure 3 2 4 1 Audio Zone display with the R8100 in Generate mode 44 Figure 3 2 4 2 Audio Zone display with the R8100 in Monitor mode 44 Fi...

Page 6: ...code screen 79 Figure 3 2 6 5 1 Frequency Counter screen 80 Figure 3 2 6 6 1 RF Scan display 81 Figure 3 2 7 1 Submenu after pressing Instrument navigation key 82 Figure 3 2 7 1 1 Submenu in Spectrum...

Page 7: ...117 Figure 3 2 8 4 1 3 3 P25 Voice Frame Decode 118 Figure 3 2 8 4 1 3 4 P25 Voice Frame Decode Unit to Unit 120 Figure 3 2 8 4 1 3 5 Constellation Plot Symbols 121 Figure 3 2 8 4 1 3 6 Ideal Constel...

Page 8: ...3 dPMR Voice Recording 173 Figure 3 2 8 9 4 dPMR Eye Diagram in Display Zone 174 Figure 3 2 8 9 5 dPMR Eye Diagram with display in Fade Away mode 175 Figure 3 2 8 9 6 dPMR Generate mode 176 Figure 3...

Page 9: ...r pressing Settings navigation button on R8100 front panel 211 Figure 3 2 9 2 1 Submenu after pressing System Settings soft key in the Settings menu 213 Figure 3 2 9 2 2 Pre Amplifier alert when broad...

Page 10: ...130 Table 3 2 8 4 1 4 3 P25 Link Control Fields for LCO 3 131 Table 3 2 8 5 1 P25 Trunk Band Plan Defaults 138 Table 3 2 8 6 1 2 1 NXDN Symbols 144 Table 3 2 8 9 1 2 1 dPMR Symbols 170 Table 3 2 8 9 1...

Page 11: ...If Freedom Communication Technologies elects to repair a defective product by replacing a module or subassembly Freedom Communication Technologies at its option may replace such defective module or s...

Page 12: ...tions specified in the Documentation If the Software does not conform to the Documentation such that its functional performance is significantly impaired and Licensee notifies Licensor in writing with...

Page 13: ...outlet As a result most of the external connectors on the R8100 chassis are also at AC ground potential Warning To minimize shock hazard it is critical to operate the R8100 with the provided converter...

Page 14: ...ains a Rechargeable Smart Lithium Ion Battery Only use a model RRC2020 battery in the R8100 Do not attempt to insert any other type of battery into the battery enclosure of the R8100 1 3 1 Analyzer Op...

Page 15: ...ls to operate return it to the factory or an authorized repair center for diagnosis and repair The R8100 Generate Output Port provides port protection against RF power input up to 5 W continuous Power...

Page 16: ...ll at door on lower left side of unit See Figure 2 1 2 5 Remove accessories from the soft carry case if provided 6 Insert the whip antenna into the Antenna port located to the right of the tuning knob...

Page 17: ...ceiver Spectrum Analyzer Duplex Offset Generator Oscilloscope Frequency Counter AC DC Voltmeter RF Wattmeter Cable Fault Analyzer optional Tracking Generator optional Signaling Encoder Decoder Signal...

Page 18: ...such as P25 1 11 DMR NXDN dPMR TETRA PTC and others as developed The analyzer s controls indicators and connectors are shown in Figures 2 1 1 and 2 1 2 with a description of these physical features de...

Page 19: ...19 Figure 2 1 2 Left and Right Sides of the R8100...

Page 20: ...ON Max 5 minutes OFF Min 0 to 50 C 150 Watts 30 seconds ON Max 5 minutes OFF Min 25 to 50 C 150 Watts 1 5 minutes ON Max 15 minutes OFF Min 0 to 25 C RF Out 30 dBm Max Out 250 kHz 3 GHz 50 Ohms 0 142...

Page 21: ...ible actions These include opening a numeric data entry window providing additional selections for user settings activating new submenus or performing a single measurement task peak search etc Multipl...

Page 22: ...nt Test Settings These keys determine the operating mode of the R8100 The current RF operating mode Monitor Generate Duplex is shown in a tab displayed at the bottom left of the main screen An adjacen...

Page 23: ...ey activates the zone and displays the associated settings submenu Hot keys allow jumping from one zone to another while in Monitor Generator or Duplex mode without navigating back to the main screen...

Page 24: ...dows to allow changes They also step through the available selections in windows that display user determined settings The R8100 responds in real time to changes made by the arrow keys RF On Off Key D...

Page 25: ...en the squelch The fully counter clockwise position disabled squelch i e forced open The level in dBm is displayed in the lower right corner of the main display The level is applied to the input signa...

Page 26: ...30 minutes of inactivity Press any key to restore the display LED Indicators Needs new photo The status of certain ports and controls is displayed by an adjacent LED indicator An illuminated indicato...

Page 27: ...load Note This is the only front panel connector to which high level RF power may be applied RF Gen Out A high level generator RF output port isolated from the Monitor input CAUTION Do not apply RF Po...

Page 28: ...Mod In Out port or damage may occur to internal circuitry Demod Out Provides the demodulated recovered audio output from a received carrier when the R8100 is in Monitor or Duplex mode Mic In RJ 45 con...

Page 29: ...ce Ref In Out BNC connector provides input output for 10 MHz reference frequency Input impedance is 50 Input level requirement is 70 mV to 1V RMS Output level is approximately 250mV RMS DC Power Prima...

Page 30: ...the modulation content of incoming RF carriers to produce a recovered baseband signal Additional analysis provided by spectrum analyzer and modulation scopes Generate RF generator mode with frequency...

Page 31: ...d information in grouped display zones Six soft keys to the right enable selection and adjustment of monitor specific modes and parameters Figure 3 1 1 1 shows the R8100 display after pressing hard ke...

Page 32: ...keyboard Pressing the Fixed 1kHz Level soft key brings up a data entry window for user entered data as shown in Figure 3 1 1 4 The value can be adjusted with the front panel keypad and tuning controls...

Page 33: ...d over into the base number The R8100 stops accepting numeric changes when the value reaches the maximum or minimum allowed for that parameter During the entry process pressing Enter completes the ent...

Page 34: ...ceive or generate an RF carrier and display carrier specific information such as power level modulation content spectral content etc The description of R8100 operation will initially focus on basic us...

Page 35: ...bmenu with the appropriate hot key see paragraph 3 1 2 Input Level Displays the RF input level of the received carrier Different units may be selected with the Input Level Units setting Note When the...

Page 36: ...Graphs AM Displays the positive peak AM percentage of the received modulated carrier available when Modulation mode is AM Setting the Monitor s RF operating parameters in the RF Zone To adjust the RF...

Page 37: ...ion Adjusts the RF input signal attenuation in 2 dB steps from 0 to 90 dB in a selection table window using the Up Down keys or spin knob Pre Amplifier Enables a supplementary input amplifier that ext...

Page 38: ...ntry window starts with the left most numeric field highlighted As the value is entered on the keypad the highlight automatically steps to the right Pressing Enter or a units key MHz etc completes the...

Page 39: ...g into a receiver The output level is adjustable from 95 dBm to 5 dBm on the RF Gen Out port and 130 dBm to 30 dBm on the RF In Out port A variety of modulation types and encoding formats are availabl...

Page 40: ...F Zone soft key press Generator Frequency Sets the desired monitor frequency in a data entry window from 250 kHz to 3 GHZ using the arrow keys keypad or tuning knob Pressing Enter completes the change...

Page 41: ...for setting the Generator RF output level via horizontal soft keys Choices are Volts Watts or dBm and the level is displayed in the Output Level field in the RF Zone display window 2 2 3 RF Zone Duple...

Page 42: ...gs such as frequency modulation type etc Note In Duplex mode you can bypass standard menu navigation and jump directly to a Zone and its settings submenu with the appropriate hot key see paragraph 3 1...

Page 43: ...dio Zone also has the baseband filter settings for the R8100 Monitor mode Decoding function displays for the carrier recovered audio are primarily located in the Meter Zone The display presentation fo...

Page 44: ...l audio sources enabled The composite audio signal is available on the Mod In Out connector Figure 3 2 4 2 Audio Zone display with the R8100 in Monitor mode 2 2 3 1 Setting audio operating parameters...

Page 45: ...ing types such as DPL A B Sequence or 5 6 Tone are selected with the Format soft key The following sections will first describe the common settings followed by the alternate settings specific to each...

Page 46: ...arrow keys keypad or spin knob This is an independent generator used for encoded audio such as PL DPL A B Sequence etc Synth Format Activates a horizontal submenu with selections for the Synth encodin...

Page 47: ...er completes the change and Esc cancels the entry Tone B Mode Activates a horizontal submenu with an Off or Continuous selection the Tone B generator DTMF Level Adjusts the DTMF Dual Tone Multi freque...

Page 48: ...nal microphone switches the R8100 into Generate mode Modulation from the microphone is applied to the carrier when the mode is set to Continuous Microphone Level Sets the modulation level for the exte...

Page 49: ...he measurement and degrade the audio quality and the readings for deviation frequency error SINAD etc The default settings for the R8100 High and Low Pass filters are 300 Hz and 3 kHz respectively 2 2...

Page 50: ...to select one of 4 timing sequences for the two tone sequential paging format The sequences are programmed and appear in the A B Sequence Table see next setting A B Sequence Table displayed when synt...

Page 51: ...51 appears as shown in Figure 3 2 4 3 3 The tone frequencies durations and delays are entered using this submenu Figure 3 2 4 3 2 A B Sequence table showing highlighted sequence...

Page 52: ...sting of valid 5 6 Tone tones The first digit preceding the hyphen is the preamble tone for activating one of ten battery saver groups The R Repeat key or R tone is used in place of a repeated digit w...

Page 53: ...nder the Numeric or Alphanumeric POCSAG formats These include Tone Only Numeric number Numeric set Alphanumeric upper case Alphanumeric lower case Alphanumeric special character Numeric custom Alphanu...

Page 54: ...row keys keypad or spin knob Function Bits Activates a horizontal submenu for choosing the function bits indicating the type and format of the message data page 00 01 10 11 POCSAG Message Use the arro...

Page 55: ...a more negative frequency deviation in FM mode When set to Inverted a logic high 1 results in more negative frequency deviation in FM mode A logic low 0 results in a more positive frequency deviation...

Page 56: ...each Tone Code can be edited by the operator for the current operating session or saved as a customized Sequence Figure 3 2 4 3 6 General Sequence Table submenu Code Sequence also appears in Audio Zon...

Page 57: ...ent range is from 0 to 20 kHz in 0 1 Hz steps Tone Duration Activates a data entry window for customizing the Tone Duration of the highlighted Tone Code Highlight a Tone Code to edit with the blue sel...

Page 58: ...Delay Sequence which provides the post tone delay A duration of zero is used for Code Sequence entries that do not have an associated Duration Sequence entry Duration Sequence entries that do not hav...

Page 59: ...uted to the Mod In Out port for use by an external radio or instrument Note Remove voltage sources before selecting Out If input voltage is detected at the port the Out selection is ignored and an ale...

Page 60: ...ternally generated audio and externally measured audio signals These include a Spectrum Analyzer Modulation Scope and Oscilloscope along with Bar Graphs for RF signal deviation frequency error and inp...

Page 61: ...horizontal submenu display choices The available adjustments are as follows Center Frequency Sets the center frequency from 250 kHz to 3 GHz for the Spectrum Analyzer in a data entry window using the...

Page 62: ...splay indication and stops additional updates Note In Freeze mode the R8100 reacquires data and updates the display whenever Center Marker or Center Peak is pressed Max Hold The display retains the hi...

Page 63: ...behind the spectrum trace The trace is copied from what is currently shown which is after any Display Mode processing as well as Trace Math computations Therefore ensure that both of those settings ar...

Page 64: ...es a numeric readout of the amplitude and frequency Toggle Marker Cycles through the available markers to select the active one yellow for positional adjustment on the display The active marker is mov...

Page 65: ...get to the actual frequency To minimize step size use the narrowest span practical when displaying multiple carriers Figure 2 2 4 1 2 Demod At Marker submenu 2 2 4 2 Modulation Scope settings The Mod...

Page 66: ...on depth and range from 1 div to 50 div Horizontal Scale Selects the horizontal time scale resolution for the display s major grid lines in a dialog entry box using the Up Down keys or spin knob The u...

Page 67: ...ed The soft key activates a numeric entry box and the Left Right keys move the highlight over the desired number field Numeric changes are entered directly using the keypad or in steps with the Up Dow...

Page 68: ...or AC coupling by pressing the Coupling soft key the Up Down keys or rotating the spin knob Vertical Scale Selects the vertical scale resolution for the display s major grid lines with a user entry wi...

Page 69: ...z Marker Mode Provides display marker control with a horizontal soft key menu Markers can be turned off or on with a choice of numeric readout for the signal measurements as follows Delta V The numeri...

Page 70: ...lections are Rising Falling or Either Vertical Position Adjusts the vertical position of the waveform on the display using a horizontal submenu Pressing the Move Up and Move Down soft keys shifts the...

Page 71: ...itor Frequency Input Level Input Lvl displays the RF input level of the carrier Indicated units are Volts Watts or dBm as set with Input Level Units soft key in the RF Zone Note When the RF input powe...

Page 72: ...form divide the displayed peak reading by 1 414 RMS Average The deviation measurement is the square root of the mean of the squares of the deviation values This type of processing significantly reduce...

Page 73: ...ing of general purpose and specialized instruments providing detailed analysis of the recovered baseband content from RF signals They are accessed from the main menu with the Meter Zone soft key and d...

Page 74: ...Voltmeter SINAD Distortion Decoder Frequency Counter and RF Scan Figure 3 2 6 2 Meter Zone submenu after Select Meter soft key press 2 2 5 1 Power Meter Provides a bar graph display and numeric reado...

Page 75: ...no input connected it can be zeroed out by using the Set DC Offset function Note Pressing Display Zone Oscilloscope Set DC Offset soft key zeros or compensates for any accumulated DC offset caused by...

Page 76: ...udio distortion measurements for a radio under test see Figure 2 2 5 3 1 Figure 2 2 5 3 1 SINAD display Select Audio Measurement Choose SINAD Ext Distortion or Internal Distortion on a horizontal menu...

Page 77: ...ise for more accurate measurements Recommended filter settings for DPL HP 1 Hz LP 3 kHz Figure 2 2 5 4 2 DPL Decode screen DTMF Decode Decodes DTMF Dual Tone Multi Frequency signals used in testing te...

Page 78: ...of up to 20 tones in a tone sequence This function overwrites the entire Display Zone section of the main screen and provides a detailed display of data Figure 2 2 5 4 6 A vertical submenu provides ad...

Page 79: ...ng is used in conjunction with the Low Pass Filter to determine the audio pass band for the R8100 baseband circuitry Low Pass Filter Activates a horizontal submenu with audio filter selections that de...

Page 80: ...ceived signal are used as the signal source The External setting directs an externally applied signal at the Meter In port to the R8100 frequency counter and decode circuits Resolution Activates a hor...

Page 81: ...utton The vertical soft key submenu lists the instruments available in a full screen display While the Spectrum Analyzer Modulation Scope and Oscilloscope displays are available elsewhere on the R8100...

Page 82: ...exploit the extra display area 2 2 6 1 Full screen Spectrum Analyzer mode With the Enhanced Spectrum Analyzer option 4 markers and associated data can be displayed in the Spectrum Analyzer Instrument...

Page 83: ...ay mode provides a convenient one screen presentation of two instruments often used together the Spectrum Analyzer and Modulation Scope This gives a user control and a simultaneous view of the results...

Page 84: ...tracking generator output in a selection table using the Up Down keys or spin knob Note If RF Level Offset is enabled the Gen Port label is cyan colored indicating that Output Level amplitudes are ad...

Page 85: ...combining networks Pressing the Tracking Generator key provides the full screen display shown in Figure 2 2 6 3 1 Note Enabling the Tracking Generator suspends the Standard zone operation of the R8100...

Page 86: ...ertical Scale Selects the vertical scale resolution for the display s major grid lines from 1 dB div to 10 dB div via a horizontal soft key menu Reference Level Adjusts the maximum level top line for...

Page 87: ...uency and display of the R8100 Spectrum Analyzer around the frequency of the active marker Find Peak Moves the cursor to the highest signal reading in the display window and provides a numeric readout...

Page 88: ...for details Monitor Port Selects the port monitored by the Spectrum Analyzer as either the ANTENNA or the RF In Out front panel connector Choose in a list entry window using the Up Down keys or spin k...

Page 89: ...ings A user can also enter specific data for a cable under test and save these settings for future use See Cable Fault Testing Cable Type Choose from factory provided or user saved cable selections Th...

Page 90: ...Also allows a user to override that value or enter one for the specific cable under test Display Mode Selects the display presentation with the following horizontal menu choices Normal The display upd...

Page 91: ...ard selection list The soft key activates a new submenu for entering a Cable Description and the associated cable specifications These include the cable Velocity Factor along with the Nominal Attenuat...

Page 92: ...was stored as a user defined cable 2 2 6 5 Other Meters Pressing the Other Meters soft key provides a shortcut to the Meter Zone operation of the R8100 The screen displays the same horizontal menu of...

Page 93: ...ng the dedicated Test navigation key Figure 3 2 8 1 Submenu after pressing Test navigation key 2 2 7 1 Presets Presets are a convenient tool for storing and recalling R8100 operational settings They a...

Page 94: ...key Save Configuration As This soft key saves the current R8100 operational settings into a memory Preset Label the Preset in the data entry window using the Left Right keys and the numeric keypad as...

Page 95: ...USB port on the R8100 Export Presets Saves presets stored on the R8100 to an external memory storage device attached to a USB port on the R8100 Delete Selected Preset Erases the highlighted Preset fro...

Page 96: ...io Zone soft key are replaced by a DMR soft key and DMR specific content see Figure 3 2 8 3 1 In addition a Power Profile display is available in Display Zone and a Constellation display is automatica...

Page 97: ...2 8 3 1 1 During repeater subscriber radio transmission the R8100 continuously measures the quality of the radio s transmitted 4FSK signal over the 132 symbols 264 bits that comprise an entire DMR TDM...

Page 98: ...er detector for the measurement The Input Lvl field in the RF Zone changes to Watt Meter to indicate this measurement mode For best accuracy disable the Pre amplifier in Monitor Mode and set the Gen P...

Page 99: ...mbol Deviation Displays the symbol deviation estimated by averaging the normalized frequency deviations at symbol times in the specified burst of the synchronized TDMA slot of the received signal and...

Page 100: ...in the test mode zone is bold when Voice Loopback is enabled The maximum length of the recording is 10 seconds and a light green progress bar shows the recording s progress see Figure 3 2 8 3 1 2 1 Th...

Page 101: ...he radio to audibly reproduce the message the radio must be set to a Group Call or an All Call channel SYNC Pattern DMR submenu Choose the data synchronization pattern for testing with the R8100 BS So...

Page 102: ...ar situations will not result in co channel inter slot interference on the alternate or non transmission slot and that the power level will be adequate for acceptable BER performance The scaling and p...

Page 103: ...isplay s major grid lines from 1 dB div to 10 dB div via a horizontal soft key list Display Mode Power Profile submenu Selects the display presentation with the following horizontal menu choices Norma...

Page 104: ...tion see Figure 3 2 8 3 1 2 DMR radios broadcast voice and data using 4 frequency shift deviations of the carrier to represent symbols containing 2 data bits Four red tick marks on the display represe...

Page 105: ...2 2 7 2 3 3 1 DMR Symbols 2 2 7 2 4 DMR receiver tests DMR receiver tests are performed with the R8100 in Generate mode and protocol specific tests are accessed with the DMR soft key see Figure 3 2 8...

Page 106: ...c testing by the R8100 The tests and display may change to address unique aspects of each manufacturer s radio series Voice Loopback Off Stop playback Play The last recorded message is repeatedly play...

Page 107: ...mode with the correct RX test pattern selected using the manufacturer s Radio Service Software RSS MOTOTRBO Tuner to enable it to calculate BER internally The calculated BER is then displayed by the...

Page 108: ...test pattern based on ITU T O 153 formerly CCITT V 52 is used to perform BER calculations Silence a predefined super frame test pattern compatible with digital vocoder type AMBE 2 that results in a s...

Page 109: ...ower A means is provided to change the Network Access Code NAC and edit the P25 Voice Frame to adapt to the system under test In addition there is an Eye Diagram with graphical representation of the P...

Page 110: ...02 CAAA compliant test patterns provided in the R8100 may be classified into two groups read only and modifiable The read only test patterns include the Standard Tx O 153 V52 Symbol Rate Low Deviation...

Page 111: ...Out port is above 20 dBm 100 mW the R8100 utilizes a broadband power detector for the measurement The Input Lvl field in the RF Zone changes to Watt Meter to indicate this measurement mode For best ac...

Page 112: ...gnal to be analyzed C4FM LSM or WCQPSK The type specified is used in the Display Zone to enable selection of the Constellation Plot for complex modulation types LSM and WCQPSK it is also used by the E...

Page 113: ...ol Rate Error measurement is restarted This is necessary after the input signal changes i e is discontinuous from when the measurement was started BER Test P25 submenu Start or Stop Bit Error Rate BER...

Page 114: ...ing a selective squelch ID equal to that of the radio may not loop back Voice channel recordings can be played back at any time by pressing the Play Last Recording soft key this selection only appears...

Page 115: ...ssion time during playback Speech recorded from a transmitting P25 radio under test should be heard from its receiver if the radio is operating properly Record Duration Voice Loopback submenu Sets the...

Page 116: ...response during two symbol periods over the four target crossing points for an ideal P25 signal see Figure 2 2 7 3 1 3 1 The Eye Diagram can indicate whether a transmitter has significant unbalances...

Page 117: ...tensity of each trace fades away or decays as new traces are received The effect is to intensify the display in the area where the waveform spends most of its time Note Whenever the Display Mode is ch...

Page 118: ...selections Choose this decode function in either the Display Zone or Meter Zone which displays a subset of the information and selects the Display Zone automatically The Voice Frame Decode display pr...

Page 119: ...me Fields Note Although encryption is not supported Header Word fields and the Link Control Format LCF will be displayed correctly because they are not subject to encryption Therefore if these fields...

Page 120: ...mplete information together Figure 2 2 7 3 1 3 4 P25 Voice Frame Decode Unit to Unit The User Voice Call fields are from the Link Control code word Raw displays all nine bytes directly subsequent fiel...

Page 121: ...a value of A1 Constellation Plot Display Zone selection This selection displays the EVM measurement and a graph showing the symbol constellation on the complex I Q plane The display provides a visual...

Page 122: ...is transmitting data bit symbols using the modulation White dots show the actual deviation measurement at symbol decision times A tighter grouping within the red circles indicates more accurate transm...

Page 123: ...ls divide the plot into four equal regions and mark the thresholds where symbol decisions change from one to the other For example in low power conditions noise may cause a symbol s deviation to appea...

Page 124: ...ith the PROJECT 25 soft key see Figure 3 2 8 4 2 1 The R8100 can generate various P25 compliant test patterns using C4FM modulation see Figures 3 2 8 4 2 2 Test patterns that yield an audio tone can b...

Page 125: ...25 radio in receive mode To receive framed test patterns generated from the R8100 the radio under test must be programmed to the same Network Access Code NAC 293 is the default in the R8100 this will...

Page 126: ...rn to 1011 Hz Tone 2 Set Voice Frame Encoder Status Symbols as specified below Note For compliance the NAC and other voice frame fields should be defaults Busy This test pattern provides channel busy...

Page 127: ...for test pattern selections that are not modifiable e g Calibration Voice Frame Encoder submenu selections are as follows Figure 3 2 8 4 2 3 P25 Voice Frame Encoder submenu NAC Voice Frame Encoder sub...

Page 128: ...Air Interface CAI The range of values is from hexadecimal 00000000 to FFFFFFFF Alpha numeric entries are made using the Up Down and Left Right keys numeric keypad and spin knob Talk Group ID Voice Fra...

Page 129: ...ink Control Opcode Voice Frame Encoder submenu Defines the content embedded in the user voice call by specifying the set of editable information fields in the P25 Link Control Word Select in a list en...

Page 130: ...Mode M 1 Reserved R 1 Priority Level 3 0 to 7 lowest Reserved 8 Group Address 16 Same as Header Word s TGID Source Address 24 Also Source ID SID Table 2 2 7 3 1 4 2 P25 Link Control Fields for LCO 1...

Page 131: ...nu Sets Implicit or Explicit mode for the MFID in the opcode When set to 1 Standard MFID the standard Manufacturers ID 00 is implied as being used When set to 0 Explicit Format the Manufacturer s ID i...

Page 132: ...t Source ID Voice Frame Encoder submenu Sets Explicit mode for the Source Address in the opcode When set to 0 Not Required the Source ID address is sufficient to completely represent the requesting un...

Page 133: ...he subscriber unit transmits During a Voice Call the R8100 automatically records voice channel data while the subscriber unit PTT is pressed then retransmits it to provide audio verification of the ra...

Page 134: ...ing the Voice Loop feature can be performed Keying the radio under test transitions it to the voice channel and the R8100 automatically records up to the last 10 seconds of conversation as long as the...

Page 135: ...e receiver Voice Call P25 Trunk submenu Select Start and Stop for the Voice Call test The R8100 sends out a control channel message causing the subscriber radio to transition to a voice channel The an...

Page 136: ...nication Network The range of values is from hexadecimal 00 to FF Alpha numeric entries are made using the Up Down and Left Right keys numeric keypad and spin knob WGID Set the Working Group IDentity...

Page 137: ...HF VHF using a horizontal submenu This is used to determine the Identifier Update TSBK format and the band plan defaults Set Band Plan to defaults Band Plan Table submenu Set Base Frequency Channel Sp...

Page 138: ...y in MHz using the Up Down and Left Right keys numeric keypad and spin knob Conversely the setting defines the offset from the base station transmit frequency to the base station receive frequency Rad...

Page 139: ...rdingly or can be used to enter the channel number instead Voice Chnl TX Frequency Radio Voice Channel TX Frequency Transmit Offset VCTx Channe P25 Trunk submenu Set the Voice Channel number from 0 to...

Page 140: ...receive mode Use BER Test to enable transmitter testing and Modulation Mode to control receiver testing The following patterns are available 1011 Hz Tone The standard tone framed test pattern of the...

Page 141: ...4 Display Zone for standard selections and below for custom selections Eye Diagram Display Zone selection The display is useful for the voice channel and while BER Testing see PROJECT 25 Test Mode Co...

Page 142: ...ower Frequency Error Symbol Deviation Modulation Fidelity FSK Error Radio Access Number RAN audio test patterns and Bit Error Rate BER BER tests require the manufacturer s Radio Service Software RSS t...

Page 143: ...ate this measurement mode For best accuracy disable the Pre amplifier in Monitor Mode and set the Gen Port in Generate Mode to RF In Out Freq Error RF Zone display Freq Error displays the frequency di...

Page 144: ...between the deviation of the resulting signal at each symbol decision point and the ideal deviations of those symbols there should be no bit errors On the R8100 this is reported as an RMS error in rel...

Page 145: ...est pattern selected using the manufacturer s Radio Service Software RSS The test is done at nominal power with the radio transmitting the test pattern into the service monitor It is acceptable to hav...

Page 146: ...orded voice channel data after the Voice Loopback function is enabled The total transmission time is equal to the length of recorded data and a bar graph indicates the remaining transmission time duri...

Page 147: ...icant unbalances or offsets in the modulation circuitry by noting how tightly grouped the waveform is around the crossing points Figure 3 2 8 6 1 3 NXDN Eye Diagram in Display Zone Display Mode Eye Di...

Page 148: ...or standard selections 2 2 7 5 2 NXDN receiver tests These tests are performed with the R8100 in Generate mode see Figure 3 2 8 6 2 1 The R8100 generates NXDN CAI compliant test patterns and can be ad...

Page 149: ...ng the same frequency but using different numbers do not have to listen to each other In the digital squelch scheme a number is sent by a transmitter to control the squelch opening of a receiver Then...

Page 150: ...formerly CCITT V 52 used to perform BER testing for checking the modulation encoding and timing of the transmit signal NXDN CAI compliant 511 O 153 Framed A framed test pattern consisting of 73 384 b...

Page 151: ...nnel data while the subscriber unit PTT is pressed then retransmits it to provide audio verification of the radio s end to end operation The manufacturer s Radio Service Software RSS is required to pe...

Page 152: ...stered a voice test using the Voice Loop feature can be performed Keying the radio under test transitions it to the voice channel and the R8100 automatically records up to the last 10 seconds of conve...

Page 153: ...displays a new NXDN Type C Trunk BER submenu The default NXDN Type C Trunk Zone is changed to display BER specific data fields including the Modulation Mode selected Test Pattern BER Test status and...

Page 154: ...n of an NXDN compliant predefined test pattern for BER testing of an NXDN radio in transmit or receive mode Use BER Test to enable transmitter testing and Modulation Mode to control receiver testing T...

Page 155: ...est to verify it is capable of registering and receiving a message from a NXDN base station Messages in Meter Zone Status field show the activity during a Status Inquiry CCTx Channel Set the Control C...

Page 156: ...ys numeric keypad and spin knob Unit ID Set the temporary Unit IDentity assigned by the R8100 to the subscriber unit being tested The range of values is from 0 to 65535 Alpha numeric entries are made...

Page 157: ...ts for an ideal NXDN signal see Figure 2 2 7 5 1 4 1 View the Eye Diagram with the other NXDN measurements on the main screen by selecting it in the Display Zone The Eye Diagram can indicate whether a...

Page 158: ...e R8100 main display the Standard mode s Audio Zone and Audio Zone soft key are replaced by a TETRA soft key and TETRA specific content see Figure 2 2 7 7 1 In addition Power Profile Modulation Spectr...

Page 159: ...ation bursts are not measured Figure 2 2 7 7 2 Submenu after pressing TETRA soft key in Monitor mode 2 2 7 7 1 1 RF Zone Input Level Input Lvl displays the power level in the burst of the synchronized...

Page 160: ...may be used to tune a radio that is worse toward compliance and into measurement range Note Averaging is performed on this field per 2 2 8 2 as it is for other test modes Note For other standard RF Zo...

Page 161: ...s Measurement Averaging TETRA submenu Configures measurement averaging to smooth selective readings The number of samples used can be from 1 no averaging to 250 Samples are collected 5 to 17 times per...

Page 162: ...ER performance The scaling and position of the vertical power axis can be adjusted to inspect greater range or detail The horizontal axis can be changed to view slot 1 or the frame including the addit...

Page 163: ...key list Display Mode Selects the display presentation with the following horizontal menu choices Normal The display updates continuously Freeze Provides a snapshot of the current display indication...

Page 164: ...164 Figure 2 2 7 7 5 Power Profile Frame with Markers...

Page 165: ...nt is done at the optimal symbol times and positions to exclude adverse effects of frequency error and residual carrier TETRA radios broadcast voice and data using 4 differential phase shift deviation...

Page 166: ...en symbol times three times their number are displayed as blue dots See Figure 2 2 7 7 8 Trajectories Instead of sample points blue lines connect adjacent samples to approximate the continuous transmi...

Page 167: ...7 2 1 RF Zone Output Level Output Level sets the average power level of the modulated Test Pattern or the level of the unmodulated carrier if Modulation Mode is Off The upper limit is reduced by 6 dB...

Page 168: ...tivity for the radio A horizontal submenu provides the following TETRA compliant patterns 1000 Hz Tone a predefined TETRA compatible vocoder multiframe test pattern that produces a 1 kHz tone at the s...

Page 169: ...wer Frequency Error Symbol Deviation Modulation Fidelity FSK Error audio test patterns and Bit Error Rate BER BER tests require the manufacturer s Radio Service Software RSS to place the radio in a sp...

Page 170: ...display Freq Error displays the frequency difference of the received dPMR transmission carrier minus the R8100 Monitor Frequency Deviation RF Zone display Displays the positive peak FM frequency devi...

Page 171: ...Test Figure 2 2 7 8 2 dPMR Monitor mode Monitor Test Pattern DPMR submenu Provides selection of bit patterns for testing the radio in transmit mode while under RSS control The following patterns are...

Page 172: ...onized FDMA signal are shown in the dPMR zone in the BER field Voice Loopback DPMR submenu This menu selection enables the Voice Loopback feature in dPMR mode U S patent 5703479 Once enabled the R8100...

Page 173: ...ion is enabled The total transmission time is equal to the length of recorded data and a bar graph indicates the remaining transmission time during playback Speech recorded from a transmitting dPMR ra...

Page 174: ...ficant unbalances or offsets in the modulation circuitry by noting how tightly grouped the waveform is around the crossing points Figure 2 2 7 8 4 dPMR Eye Diagram in Display Zone Display Mode Eye Dia...

Page 175: ...andard selections and below for custom selections DPMR receiver tests These tests are performed with the R8100 in Generate mode see Figure 2 2 7 8 6 The R8100 generates dPMR CAI compliant test pattern...

Page 176: ...a 2 005871 BER used to verify BER measurements are operating correctly 511 O 153 The unframed test pattern of continuously repeating 511 bit pseudo random number sequences generated with a 9 bit shif...

Page 177: ...lected Test Pattern modulation Note Enabling a test pattern in Generate mode will erase any previously captured Voice Recordings Voice Playback Set the state of the Voice Playback feature When the voi...

Page 178: ...cy constellation and power profile with graphical representations of signals The 180 symbol TDMA slots 0 and 1 form a 60 ms frame 6 frames form a 360 ms superframe and 4 superframes form a 1 44 second...

Page 179: ...is null For Bit Error Rate BER testing the manufacturer s RSS software is required This configures the radio in a special test mode for transmitting TIA 102 CCAA compliant test patterns such as 1031 H...

Page 180: ...r best accuracy disable the Pre amplifier in Monitor Mode and set the Gen Port in Generate Mode to RF In Out Note The TDMA transmission alternates between a used and unused time slot so the RF Zone fi...

Page 181: ...either modulation type and both logical channels Modulation Type P25 II submenu Select the expected type of modulation of the received signal to be analyzed HCPM inbound or HDQPSK outbound The type s...

Page 182: ...Display Zone selection The Eye Diagram provides a visual display of the received signal and overlays the modulation response during two symbol periods over the yellow target crossing points for an id...

Page 183: ...to the persistence mode on an oscilloscope see Figure 2 2 7 9 1 3 2 The intensity of each trace fades away or decays as new traces are received The effect is to intensify the display in the area wher...

Page 184: ...pear in the adjacent region thus causing a bit error Be sure that the Modulation Type in the P25 II test zone is set for the expected receive signal in order to establish the appropriate horizontal ra...

Page 185: ...mitter null slots are not transmitted for HDQPSK The display is useful in assuring that near far situations will not result in co channel inter slot interference on the alternate or non transmission s...

Page 186: ...t View Power Profile submenu Select the slot s to view Although slots are alternating 30 milliseconds the profile for a slot is 30 4 ms divided into three regions for ramp up 1 2 ms burst 28 0 ms and...

Page 187: ...t display indication and stops additional updates Max Hold The display retains the highest peak signal amplitudes measured during successive sweeps Average The displayed signal amplitudes are a rollin...

Page 188: ...Red tick marks on the display represent the nominal locations for the deviation states when the radio is transmitting data using the modulation White bars show the actual deviation measurement A tight...

Page 189: ...ccuracy states that the symbol rate error shall not exceed 10 PPM which is 60 mHz given the ideal symbol rate of 6000 baud The transmitter should be transmitting the high deviation pattern 3 3 3 3 who...

Page 190: ...ormed with the R8100 in Generate mode and protocol specific tests are accessed with the P25 II soft key see Figure 2 2 7 9 2 1 The R8100 can generate various P25 compliant test patterns using HDQPSK a...

Page 191: ...I Generate mode test patterns 1031 Hz Tone The standard tone framed test pattern of the 1031 Hz vocoder tone for either modulation type and both logical channels Calibration Tone 5 The test pattern de...

Page 192: ...d balanced to have approximately equal positive and negative signal deviations Modulation Type P25 II submenu Select the desired type of modulation for the generated signal required by the receiver HC...

Page 193: ...e tests AutoTune maintains detailed test logs and reports in csv comma separated values file format This can be conveniently viewed within the application or exported for further analysis by spreadshe...

Page 194: ...fault an Operator ID is required to begin testing Start soft key appears after entry is made This can be changed in the Preferences selection under the Tools submenu Radio Make Model Choose the manufa...

Page 195: ...st limits without alignment then indicates Pass Fail in the Results column and displays detailed data in a test report Test and Align performs a radio alignment then tests to the manufacturer s limits...

Page 196: ...or ABORT in the Results column see Figure 2 2 7 10 4 Upon completion of all selected activities a Test Result Report is displayed along with a new submenu as shown in Figure 2 2 7 10 6 The submenu pro...

Page 197: ...in the Test column AutoTune executes each in sequence once the Start soft key is pressed and displays a test report once they are all completed Toggle Test Selection Toggles the selection on or off f...

Page 198: ...of test logs used to view or delete the current or a previous test log which contains a report for each test performed in a test session see Figure 2 2 7 10 6 Test logs are saved in csv format to all...

Page 199: ...nu Activate a data entry window to adjust the numeric test limit value using the Left Right keys numeric keypad Up Down keys and spin knob Each test limit value can be selected by positioning the blue...

Page 200: ...u Opens a previously saved Test Log that contains the test reports from a previous test session Select Test Report to Open Test Reports submenu Opens an individual Test Report from within the current...

Page 201: ...ously saved Test Log that contains the test reports to a USB drive Export All Test Logs Test Reports submenu Copies all previously saved Test Logs that contains the test reports to a USB drive Delete...

Page 202: ...imited format filename based on the serial number of the radio under test e g XTS5000_11124 csv Setting this preference to No will cause all test log data to be saved under a common log file name base...

Page 203: ...irrors the RF In Out field described in System Settings Recommended Site preference Default 0 0 Save Preferences Test Preferences submenu Stores the edited preferences for use by all future activities...

Page 204: ...s are as follows Step Delay Controls the delay between each script step or line in the script during script execution Default 0 seconds Script Delay Controls the delay between each script selected for...

Page 205: ...scripts from a USB drive to the unit s hard drive When selected provides list of scripts available for import Note Visible only when a USB drive containing scripts in the correct subfolder USB_Drive...

Page 206: ...ction marker with the spin knob or up down keys If Start AutoScript or Save as Procedure soft keys are selected only enabled scripts are utilized See Figure 2 2 7 11 3for an example Figure 2 2 7 11 3...

Page 207: ...le and will not be retained if the R8100 Power is turned off However the duplication may be retained with Save as Procedure Note Visible only when a script exists on the unit s hard drive Load Procedu...

Page 208: ...n using the Load Procedure soft key Note Visible only when a script exists on the unit s hard drive Refresh Scripts Refreshes script list with currently available scripts imported to the unit s hard d...

Page 209: ...e unit s hard drive After being deleted that procedure must be either imported again or recreated from available scripts on the unit s hard drive to be used in AutoScript Note Visible only when a proc...

Page 210: ...left hand corner of the R8100 display will blink and that the word AutoScript will periodically appear with a green background 11 If a problem is detected in a script AutoScript will display message...

Page 211: ...er the keyword is displayed on the unit screen and execution waits until the user responds with a soft key press For example see Figure 2 2 7 11 5 2 2 8 Settings Menu R8100 configuration settings and...

Page 212: ...sed for future operation of the R8100 See Appendix C R8100 Field Calibration Procedure Load Factory Defaults Note This is an upcoming feature The calibration values generated during factory alignment...

Page 213: ...to the R8100 frequency counter and decode circuits Input Impedance Selects the input impedance for the Meter In port to either 600 or 1 M Note To prevent damage to the R8100 the 600 Ohm input impedan...

Page 214: ...ctive digital readings Digital Measurement Averaging affects the following DMR Zone Symbol Deviation FSK Error Magnitude Error PROJECT 25 Zone Symbol Deviation Modulation Fidelity P25 Trunk Zone Symbo...

Page 215: ...ls before they modulate the RF carrier and applies de emphasis to audio signals demodulated from the RF carrier Meter In Filter Allows selection of various filters to apply to external audio signals m...

Page 216: ...ual Display Instruments Tracking Generator trace DMR and TETRA Power Profile trace TETRA unwanted power AutoTune output and input levels RF In Out Specifies the gains or losses between the RF In Out p...

Page 217: ...B value is entered the Spectrum Analyzer trace is increased by 6 dB In the case of a gain such as an amplifier enter a positive value The affected fields will be decreased to compensate For example if...

Page 218: ...TE OPERATION DHCP Enables DHCP or Dynamic Host Configuration Protocol by which an IP address is assigned to the R8100 during boot by a DHCP server on the Local Area Network When the R8100 boots it put...

Page 219: ...or alert the operator of a fault or condition requiring attention Alerts are highlighted in yellow or red Some messages may flash temporarily and if there s more than one message only the one reflecti...

Page 220: ...ut The About soft key loads a submenu that displays the current version of operational software on the R8100 This information is important when interacting with Freedom Communication Technologies pers...

Page 221: ...this soft key displays the communication protocols and versions installed as options on the R8100 Figure 3 2 9 5 2 Figure 3 2 9 5 2 Settings About Protocols screen Versions Pressing this soft key dis...

Page 222: ...5 1 Search for Updates The R8100 firmware can be upgraded in the field using a USB Flash Drive Caution firmware changes can significantly affect analyzer operation and should be performed carefully An...

Page 223: ...firmware update process are not included in this manual since they tend to evolve with analyzer development The latest and correct update procedure is provided with each firmware revision made availab...

Page 224: ...224 Figure 3 2 9 6 1 Submenu after pressing Options soft key in the Settings menu...

Page 225: ...available USB slot on the R8100 Most flash drives have an activity light that flashes momentarily as the R8100 acknowledges the drive Once the activity light stops flashing the drive is ready to accep...

Page 226: ...net 10 100Base T patch cable 4 Ethernet 10 100Base T network 5 DHCP server for operation over routed networks 6 Network technician and or administrator 7 Computer with network connectivity and adminis...

Page 227: ...for the R8100 to be entered into the Internet browser see section 4 4 Obtain assistance from your network technician or administrator Three common scenarios are listed below 1 The DHCP server assigns...

Page 228: ...Network Setup soft key see section 2 2 8 3 Network Settings for Remote Operation 5 Press the Network Connection soft key 6 Press the Enable soft key to enable the network connection 7 Read the alert...

Page 229: ...he may have to be updated manually e g by pressing the browser s Refresh button 3 4 1 Setup 3rd party software must be installed on the computer to control the R8100 The software is National Instrumen...

Page 230: ...peration 3 Press the Network Connection soft key 4 Press the Disable soft key 3 6 Verification Troubleshooting Information 1 The R8100 responds to ICMP ping Default gateway connectivity questions are...

Page 231: ...as a result of the R8100 losing power being turned off being disconnected from the network the network connection being disabled or network settings being changed Verify R8100 power and settings then...

Page 232: ...er testing and focus on fundamental items of importance such as transmit power carrier frequency and voice quality measurements 4 1 1 Basic FM Transmitter Testing initial setup Refer to Figure 5 1 1 1...

Page 233: ...iation are within specified limits and determine if any adjustments are required 4 1 3 Modulation Measurements Place the R8100 in Monitor mode by pressing the Monitor front panel hard key Press the RF...

Page 234: ...shold Read the signal level Input Lvl frequency error Freq Error and deviation Deviation in the RF Zone section of the R8100 main screen 4 2 FM Receiver Testing The R8100 has extensive capability for...

Page 235: ...the receiver For narrowband 2 way radios a typical setting is 3 kHz Page through the submenu and set the High Pass Filter to 300 Hz and the Low Pass Filter to 3 kHz Navigate to the Meter Zone and sel...

Page 236: ...dBm Switch the R8100 to Generate mode Navigate to the Audio Zone and turn off all modulation In the RF Zone adjust the RF output level until the noise reading on the AC voltmeter is 20 dB less than t...

Page 237: ...with the Cable Fault Option Kit to determine distance to a fault or termination mismatch in RF cables The kit contains a resistive RF power splitter a 50 Ohm load and two male BNC cables for connecti...

Page 238: ...t the wrong location Overestimating reduces the distance resolution Cable Loss Defines the power lost per unit length of cable The return loss measurement is compensated for by this factor to ensure a...

Page 239: ...y Nominal Attenuation entry and Back returns to the previous entry menu Once the 3rd frequency point is populated with data Save New Cable stores the entry in R8100 memory The user defined cable will...

Page 240: ...never the Center Frequency Maximum Length or Velocity Factor are changed the Cable Fault instrument will force a recalibration before performing an analysis sweep Remove the 50 Ohm load and connect th...

Page 241: ...n PTC system involves two basic components Speed display and control unit on the locomotive A method to dynamically inform the speed control unit of changing track or signal conditions 21 Optionally t...

Page 242: ...bol rates 16 ksps Full rate and 8 ksps Half rate Measurements include Power in RMS and PEP Frequency Error Error Vector Magnitude IQ Imbalance Phase Error Magnitude Error BER testing while ratio in te...

Page 243: ...243 PTC Test in Monitor Mode Eye Diagram Display...

Page 244: ...244 Power Profile Display Linear and Circular Constellation Displays...

Page 245: ...245 Symbol Distribution Plot...

Page 246: ...CTCSS Continuous Tone Coded Squelch System CW Continuous Wave dB Decibel dBc Decibel referred to carrier dBm Decibel referred to 1 mW into 50 DC Direct Current Demod Demodulation DHCP Dynamic Host Con...

Page 247: ...s recommendation opcode Operation Code outbound Tx out of base to mobile station PC Personal Computer PCT Percent PL Private Line a Motorola registered trademark P25 Project 25 QAM Quadrature Amplitud...

Page 248: ...Serial Bus uV Microvolt V Volts VAC Volts Alternating Current VDC Volts Direct Current VGA Video Graphics Array vocoder voice encoder decoder VRMS Volts root mean square vs versus W Watts ZVEI Zentral...

Page 249: ...GROUP TONE Hz HIGH GROUP TONE Hz 697 770 852 941 1209 1336 1447 1633 1 2 3 A 4 5 6 B 7 8 9 C O D The analyzer has provisions for encoding and decoding 16 different keys Each key is assigned two frequ...

Page 250: ...2B 3Z 3A 3B 4Z 4A 4B 5Z 5A 5B 6Z 6A 6B 7Z 7A M1 8Z M2 M3 M4 9Z M5 M6 M7 67 0 69 3 71 9 74 4 77 0 79 7 82 5 85 4 88 5 91 5 94 8 97 0 100 0 103 5 107 2 110 9 114 8 118 8 123 0 127 3 131 8 136 5 141 3 14...

Page 251: ...5 DPL Standard Codes 023 025 026 031 032 043 047 051 054 065 071 072 073 114 115 116 125 131 132 134 143 152 155 156 162 165 172 174 205 223 226 243 244 245 251 261 263 265 271 306 311 315 331 343 35...

Page 252: ...0 1060 1160 1270 1400 1530 1670 1830 2000 2200 2800 810 970 885 930 2600 0 70 2200 970 1060 1160 1270 1400 1530 1670 1830 2000 885 810 2600 2800 930 2400 0 70 2400 1060 1160 1270 1400 1530 1670 1830 2...

Page 253: ...4 0101110 66 1001110 N 98 1101110 n 35 0101111 67 1001111 O 99 1101111 o 36 0110000 0 68 1010000 P 100 1110000 p 37 0110001 1 69 1010001 Q 101 1110001 q 38 0110010 2 70 1010010 R 102 1110010 r 39 0110...

Page 254: ...onment of approximately 70 F To ensure accurate results place the R8100 in Standard mode Perform a reset to factory configuration by pressing the front panel Test key followed by Presets Load Factory...

Page 255: ...D Bulgrien 2 13 13 13140 K Software 1 13 Updates L Butler 10 17 12 D Bulgrien 10 17 12 12924 J Software 1 12 Updates B Tanner 5 22 12 D Bulgrien 5 22 12 11506 H Software 1 10 Updates B Tanner 11 29 1...

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