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BTR-800, TR-800, TR-825

TR-825 Beltpack 19

TR-825 Specifications

RF Frequency Range

US/Canada TX Range

572-608 MHz in 18 MHz TX bands
653-663 MHz for 3 band
470-488 MHz for 88 band

TX Range (rest of the world)

572-608, 614-722 MHz in 18 MHz TX bands

RX Range

482-608 MHz in 18 MHz RX bands

Power Requirements

6 AA Cells Alkaline (NiMH optional)

Current Draw

190 mA (Push-to-Talk, A and B Talk On)

Temperature Range

-4° F to 130° F (-20° C to 55° C)

Dimensions

3.75” W x 5.35” H x 2.02” D



(9.5 cm x 13.5 cm x 5.1 cm)

Weight

21 oz (595 g) with alkaline batteries

TX Antenna

1/4 Wave (supplied), Screw type, Replaceable

RX Antenna

1/4 Wave (supplied), Screw type, Replaceable

FCC ID

B5DM517
B5DM537

Frequency Response

300 Hz - 8 kHz

Microphone input sensitivity

7 mV

Local Headset Output

40 mW output into 600

(1% distortion)

Transmitter

Type

Synthesized

Transmit Power

50 mW Max (auto-power reduction)
20 mW Max in US 3 Band, 653-663 MHz, (auto-
power reduction)

Modulation Type

Deviation

40 kHz

RF Frequency Stability

0.005%

Modulation Limiter

Peak-Responding Compressor

Radiated Harmonics & Spurious

Exceeds FCC specifications

Receiver

Type

Two, Dual Conversion Superheterodyne,
Synthesized, FM

RF Sensitivity

<0.8

V for 12 dB SINAD

Squelch Threshold

20 dB SINAD (about 1.0

IF Selectivity

3 dB at 230 kHz

Image Rejection

70 dB or better

Squelch Quieting

90 dB

RF Frequency Stability

0.005%

Distortion

<1% at full deviation

Содержание BTR-800

Страница 1: ...F 01U 187 426 Rev 19 JUNE 2019 BTR 800 TR 800 TR 825 Professional Wireless Intercom System Operating Instructions...

Страница 2: ...2 BTR 800 TR 800 TR 825...

Страница 3: ...se Station Operation 38 Power 38 Local Headset 38 Portable Station Connect 38 Intercom A and B 38 Auxiliary 38 Display Contrast 39 BTR 800 Menu Structure 40 Main Screen Flowchart 40 Power Up Screen 41...

Страница 4: ...ESHOOTING 75 TECH TIPS 77 Frequency Interaction 77 Microphone Gain Adjustment 77 BATTERY INFORMATION 79 Cold Temperatures and Batteries 79 Battery Life 79 Battery Warnings 79 INTERCOM SYSTEMS SPECIFIC...

Страница 5: ...istances of 1 000 feet With available antenna systems from Bosch the effective operating range can be extended The high efficiency beltpacks provide up to 12 hours of uninterrupted operation using sta...

Страница 6: ...8 Introduction BTR 800 TR 800 TR 825 FIGURE 1 BTR 800 Block Diagram...

Страница 7: ...input and output level controls GREEN LED Aux input enabled LED will change to RED if the input levels are too high 9 Headset Volume Controls the volume to the headset connection to 14 10 Headset Inte...

Страница 8: ...ectors wired in parallel The connectors are switched to the appropriate intercom configuration via the I C Select Switch WARNING Excessive current through the loop thru ports will damage the intercom...

Страница 9: ...tput Level Adjustable 0 775 Vrms typical Line Impedance 200 Clear Com Intercom Input Output Level Adjustable 1 Vrms typical Line Impedance 200 Auxiliary Input Adjustable 2 Vrms typical Auxiliary Outpu...

Страница 10: ...12 BTR 800 Base Station BTR 800 TR 800 TR 825...

Страница 11: ...he nearby red LED as well as the TALK LED 6 when pressed 4 Audio Channel Selection Button Allows user to select either audio channel A or B 5 Bat Overmod Light BAT OM Light will flash once when unit i...

Страница 12: ...switch WTA or SA button is pressed 6 Headset Connector Male XLR connector or female XLR connector A dynamic or electret headset microphone is automatically detected by the beltpack and a bias voltage...

Страница 13: ...tenna 1 4 Wave supplied Screw type Replaceable FCC ID B5DM518 B5DM515 B5DM536 Frequency Response 300 Hz 8 kHz Microphone input sensitivity 7 mV Local Headset Output 40 mW output into 600 1 distortion...

Страница 14: ...16 TR 800 Beltpack BTR 800 TR 800 TR 825...

Страница 15: ...r on the back of the base station The user also loses their sidetone as an indication that stage announce is activated The other wireless beltpacks and wired users do not hear the user s audio The but...

Страница 16: ...tret headset microphone is automatically detected by the beltpack and a bias voltage supplied if needed Four pin units are monaural Five pin units have a software setup which ground or opens pin 3 Sin...

Страница 17: ...e RX Antenna 1 4 Wave supplied Screw type Replaceable FCC ID B5DM517 B5DM537 Frequency Response 300 Hz 8 kHz Microphone input sensitivity 7 mV Local Headset Output 40 mW output into 600 1 distortion T...

Страница 18: ...20 TR 825 Beltpack BTR 800 TR 800 TR 825...

Страница 19: ...ntity Description BTR 800 1 BTR 800 Base Station 1 Power Cord 2 Antennas one Transmit and one Receive 1 Warranty and Website Information Sheet 1 Screwdriver 1 2 terminal plug for SA Relay 1 Warning Ca...

Страница 20: ...table when the antennas are connected directly on the back of the unit The antennas can be remoted for better signal path An RTS coax assembly with remote antennas may be required See Accessories and...

Страница 21: ...he wireless intercom system through or around walls ceilings metal objects etc will reduce system range and performance IMPORTANT Do not mount the base station 1 2 wave antennas on or next to metal su...

Страница 22: ...as possible will produce the most reliable performance The base station is supplied with two antennas This should provide satisfactory system performance in most applications System range can be enhan...

Страница 23: ...he cord it accepts is an IEC 60320 C13 These cords are common and available through many retail hardware electronic stores if the cord is lost Transmit Switches There are two switches located on the l...

Страница 24: ...s This switch only affects the two wire intercom systems The function of the I C XLRs change depending on the intercom selected Please see Intercom Systems Specifications on page 81 for pinout informa...

Страница 25: ...BTR 800 TR 800 TR 825 Initial Equipment Setup 27 FIGURE 21 Example Interface to an RTS TW System...

Страница 26: ...parts so they cannot hit the metal case Locations to place these components are provided on audio board part number 750608 and ASY000108000 The audio board part number is located on the lower left ha...

Страница 27: ...input auxiliary audio is placed on depends on the position of the input routing switch The output auxiliary audio is also taken from the intercom B base local headset beltpack s headsets and any wire...

Страница 28: ...or this output too See Figure 27 for the location of the small level trimmer The top cover of the base station must be removed for access FIGURE 25 Relay Output Schematic A relay contact closure is al...

Страница 29: ...ansmit power is off If it is off the WTA audio is routed through the base station link cable to the other base that has its transmitter on A cable to accomplish this task is NOT supplied but can easil...

Страница 30: ...3 Load new batteries following the polarity as shown in the battery case 4 Start loading at the end of the case where the strap is attached to the case 5 Be sure the strap goes under the batteries 6...

Страница 31: ...transmit antenna New antennas can be ordered if desired see Accessories and Replacement Parts on page 83 Transmit Mode The rear panel located transmit switch has the following two modes Push to Talk P...

Страница 32: ...34 Initial Equipment Setup BTR 800 TR 800 TR 825...

Страница 33: ...nna to the beltpack Checked frequency range of the antennas with the frequency of the beltpack by correctly matching color codes Base station transmit power switches in the correct positions Transmit...

Страница 34: ...36 Pre Walk Thru Checklist BTR 800 TR 800 TR 825...

Страница 35: ...encies are fully editable within these groups In fact factory defined groups may be copied to user programmable groups and then edited if desired See the BTR 800 Menu Structure on page 40 and TR 8XX M...

Страница 36: ...io buses via an open receiver Intercom A and B Intercom Select Button Press the SELECT button to choose between 2 wire or 4 wire intercom systems The green LED will indicate the current mode of the in...

Страница 37: ...ay contrast is set from the factory to a standard level However it is possible for the user to adjust the contrast if desired The contrast control is internal to the BTR 800 unit near the front panel...

Страница 38: ...ich further detail of that menu may be found Other Special Key Sequences Lockout page 47 Copy page 47 1st Use Default page 47 Factory Default page 47 NOTE Pressing MENU within a screen after action ha...

Страница 39: ...oftware The 2nd upper right corner number displays the base s channel map frequency plan version The single version number increments for changes in the channel map Once the power up screen is display...

Страница 40: ...No beltpack transmit carrier detected Off Receiver is not selected on front panel Ch A Beltpack audio is on Channel A Ch B Beltpack audio is on Channel B Ch A B Beltpack audio is on Channel A and B T...

Страница 41: ...hannel number will start to flash The UP DOWN arrows will change the receive channel number Press SET to set the channel that was selected Now the second channel number will start to flash If SET is p...

Страница 42: ...and these are not editable In user programmed groups these are editable from the frequency edit screen Pressing the UP DOWN arrows will change the frequency of R1 to the pre defined frequencies availa...

Страница 43: ...ws will change the frequency of T1 in 25kHz steps Pressing SET will accept the change and start you editing T2 If you had not pressed the arrow keys when the frequency was flashing but instead press S...

Страница 44: ...quipment Turn on all wireless microphones and wireless monitor transmitters Make sure that this equipment is distributed at least 3 to 5 feet apart from each other to minimize any frequency intermodul...

Страница 45: ...group is displayed The UP or DOWN buttons may be used to select a different user programmable group if desired Pressing SET pastes frequencies channels to the group and takes the user to the frequenc...

Страница 46: ...l The peak responding audio limiter in the beltpack is very tolerant of high input audio levels Even when the microphone gain is maximized and headset volume reduced to make up for the louder audio th...

Страница 47: ...ack Feature Enable Disable Menus Stage Announce SA Enable Disable page 56 Wireless Talk Around WTA Enable Disable page 56 Audio Channel A B Enable Disable page 57 Talk Button Latching Non Latching pag...

Страница 48: ...ware and channel map version screens The 1st screen displayed indicates the beltpack s software version number It is displayed for about one second The 2nd screen displayed indicates the beltpack s ch...

Страница 49: ...beltpack on the channel selected Once set is pressed the beltpack transmitter will move to that frequency and nothing will be flashing Now press SET twice to enter group edit Use the UP DOWN arrow but...

Страница 50: ...Press SET to edit the frequency The number will start flashing Use the UP DOWN arrow buttons to change the frequency Press SET to place the beltpack on the frequency selected If set is held down durin...

Страница 51: ...o pressing set will do nothing at this screen User programmed groups will start flashing and allow the user to change the frequency in 25 kHz steps User Programmable Groups Only Use the UP DOWN arrow...

Страница 52: ...d so pressing set will do nothing at this screen User programmed groups will start flashing and allow the user to change the frequency in 25 kHz steps User Programmable Groups Only Use the UP DOWN arr...

Страница 53: ...be accessed with the DOWN and UP arrow buttons Press and hold MENU SET for three seconds to enter ClearScan The beltpack will now start searching for the clearest groups The group symbol will flash i...

Страница 54: ...FF or back Release the SET button to accept the current displayed setting and return to the Group Channel screen Wireless Talk Around Enable Disable Press and hold SET then press the WTA button to sho...

Страница 55: ...xt option only channel A on If the CHAN button was pressed once more the user would start over at the AB ON screen Release the SET button to accept the current displayed setting and return to the Grou...

Страница 56: ...packs must now be set to different transmit channels using the UP DOWN buttons Then SET is pressed to place the units on those channels If lockout had been activated the beltpack comes up where it was...

Страница 57: ...p channel screen Beltpack Feature Enable Disable Menus Audio Output page 65 Stage Announce SA page 67 Wireless Talk Around WTA page 68 Audio Channel A page 69 Audio Channel B page 70 Other Special Key...

Страница 58: ...version screens The 1st screen displayed indicates the beltpack s software version number It is displayed for about one second The 2nd screen displayed indicates the beltpack s channel map frequency...

Страница 59: ...beltpack on the channel selected Once set is pressed the beltpack transmitter will move to that frequency and nothing will be flashing Now press SET twice to enter group edit Use the UP DOWN arrow but...

Страница 60: ...l allow only a set number of pre defined frequencies to be selected User programmable groups will allow the user to change the frequency in 25 kHz steps Use the UP DOWN arrow buttons to change the fre...

Страница 61: ...so pressing set will do nothing at this screen User programmed groups will start flashing and allow the user to change the frequency in 25 kHz steps User Programmable Groups Only Use the UP DOWN arrow...

Страница 62: ...d so pressing SET will do nothing at this screen User programmed groups will start flashing and allow the user to change the frequency in 25 kHz steps User Programmable Groups Only Use the UP DOWN arr...

Страница 63: ...A or B Audio depending on how the headset is wired Single sided 5 pin headsets must set the audio output to Ab SEP The audio output option setting does nothing with a 4 pin headset connector Press ME...

Страница 64: ...DOWN and UP arrow buttons Press and hold MENU SET for three seconds to enter ClearScan The beltpack will now start searching for the clearest groups The group symbol will flash indicating the beltpac...

Страница 65: ...g of the feature is displayed on the LCD display While continuing to hold SET press SA again to toggle the display from ON to OFF or back Release the SET button to accept the current displayed setting...

Страница 66: ...round B channel non latching Talk Around A B channels non latching Talk Around Push Button non latching Whatever talk button is active becomes wireless talk around Talk Around A channel latching Talk...

Страница 67: ...on is displayed on the LCD display Channel A Talk Latching Off While continuing to hold SET press the A button again to move to the next option Channel A Talk Latching On As you continue to hold SET p...

Страница 68: ...utton is displayed on the LCD display Channel B Talk Latching Off While continuing to hold SET press the B button again to move the next option Channel B Talk Latching On As you continue to hold SET p...

Страница 69: ...lashing Any user programmed frequencies that had been entered previously are retained The beltpacks must now be set to different transmit channels using the UP DOWN buttons Then the SET button is pres...

Страница 70: ...72 System Operation BTR 800 TR 800 TR 825...

Страница 71: ...condition will result in no tx being displayed on the base station s receiver for that beltpack In 99 of all instances you will set up you RTS Wireless Intercom System walk it through the area of inte...

Страница 72: ...74 System Walk Thru BTR 800 TR 800 TR 825...

Страница 73: ...here the signal swooshes or completely disappears Make sure both antennas on the base and beltpack are connected and follow the location suggestions Change the location of the base unit and antennas o...

Страница 74: ...76 Troubleshooting BTR 800 TR 800 TR 825...

Страница 75: ...on peaks does his or her voice flash the OM indicator light FIGURE 40 Low Noise Environment Microphone Gain Set Correctly Figure 41 displays the same gain setting as in Figure 40 but brought into a h...

Страница 76: ...78 Tech Tips BTR 800 TR 800 TR 825...

Страница 77: ...Lithium However the trade off is Lithium batteries cost more and are less environmentally friendly than Alkaline batteries Battery Life TR 800 Alkaline 11 13 hours typical Nickel Metal Hydride 10 12...

Страница 78: ...80 Battery Information BTR 800 TR 800 TR 825...

Страница 79: ...rms Power Voltage 28 0 VDC nominal Audiocom Telex Input Impedance 300 Output Level 1 0 Vrms nominal Bridging Impedance 10kW Call Signaling Send 20 kHz 100 Hz 05 mVrms Receive 20 kHz 800 Hz 100 mVrms P...

Страница 80: ...82 Intercom Systems Specifications BTR 800 TR 800 TR 825...

Страница 81: ...U 75 75 Ft 23 meter 71151 075 CXU 100 100 Ft 30 meter 71151 100 AB 2 Bracket for 1 2 wave Antenna with 10ft of coax PN 71138000 BTR Power Cords North America 550024013 U K 550024002 European 550024000...

Страница 82: ...No Band Color Frequency Coverage of Antenna Frequency Band Designators 88 F H A B C D E 1 2 3 4 5 6 BPA 1 Violet 425 0 484 9 MHz X BPA 2 Black 485 0 553 9 MHz X X X X BPA 3 Yellow 554 0 635 9MHz X X X...

Страница 83: ...ependent Dipole Antenna Model CTN No Band Color Frequency Coverage of Antenna Frequency Band Designators 88 F H A B C D E 1 2 3 4 5 6 FA RW RS Red White 470 550 MHz X X X X FA YW RS Yellow White 525 6...

Страница 84: ...86 Accessories and Replacement Parts BTR 800 TR 800 TR 825...

Страница 85: ...enna manufacturer or supplier 4 Antenna substitution Do Not substitute any antenna for the one supplied by or recommended by the manufacturer or radio dealer You may be exposing person or persons to h...

Страница 86: ...LU MT NL NO PL RO SK SE SI ES CH GB France FR The use of equipment requires a license if not a professional user Austria AT Belgium BE and Germany DE Equipment may only be used in the 470 703 MHz band...

Страница 87: ...the three band units are made for worldwide customers the 18 MHz range is the default shipped therefore a US Canadian user must set a base station to the new US channel map in order for the base s cha...

Страница 88: ...Bosch Security Systems Inc 12000 Portland Avenue South Burnsville MN 55337 U S A www rtsintercoms com...

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