M/A-Com Orion Operator'S Manual Download Page 21 | Manualshive

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21

CARRIER CONTROL TIMER

If the programmed time for continuous transmission is exceeded, five short
high-pitched warning tones followed by a long low-pitched tone will be heard.
The transmitter will shut down shortly after hearing the alert, interrupting
communications. Release and re-key the PTT button to maintain
communications. This will reset the carrier control timer and turn the
transmitter back on.

KEY PRESS ALERT

A short tone or "beep" sounds to indicate a key has been pressed. A short low-
pitched tone indicates no action was taken because the key is not active in the
current mode.

DUAL CONTROL SWITCHING

When control is switched to a previously idle control unit, two short high-
pitched tones will sound at the control unit where PTT was pressed, that is
now the active controller.

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Summary of Contents for Orion

Page 1: ...Operator s Manual LBI 38888 Rev N Mar 05 Orion Mobile Radio ...

Page 2: ... is explicitly prohibited from attempting to decompile reverse engineer or disassemble the Object Code or in any way convert the Object Code into human readable form The software contained in this device is copyrighted by M A COM Inc Unpublished rights are reserved under the copyright laws of the United States This manual covers M A COM Inc products manufactured and sold by M A COM Inc Repairs to ...

Page 3: ...ODE ONLY 20 SYSTEM BUSY TRUNKED MODE ONLY 20 CALL DENIED TRUNKED MODE ONLY 20 CARRIER CONTROL TIMER 21 KEY PRESS ALERT 21 DUAL CONTROL SWITCHING 21 OPERATION 22 TURNING ON THE RADIO 22 SELECTION MODE RULES 22 DIRECT ACCESS 24 MENU 24 FEATURE ENCRYPTION DISPLAY 29 SYSTEM GROUP CHANNEL SELECTION 32 TRUNKED MODE OPERATION 34 RECEIVING A CALL 34 SENDING A CALL 34 CONVENTIONAL FAILSOFT 35 EMERGENCY OPE...

Page 4: ...gis Voice Guard Operation 61 DUAL CONTROL OPERATION 67 MULTIPLE RADIO OPERATION 69 LAST SYSTEM GROUP OR CHANNEL RECALL Supervisory Radio Units Only 33 MACRO KEY OPERATION 71 SENDING A MANUALLY ENTERED INTERCONNECT CALL SYSTEM MODEL ONLY 71 KEYPAD REMAPPING 72 OPERATING RULES AND REGULATIONS 73 GLOSSARY 74 M A COM Technical Publications would particularly appreciate feedback on any errors found in ...

Page 5: ...the vehicle contains such equipment consult the dealer for the make of vehicle and enlist his aid in determining if such electronic circuits perform normally when the radio is transmitting 3 Electric Blasting Caps To prevent accidental detonation of electric blasting caps DO NOT use two way radios within 1000 feet of blasting operations Always obey the Turn Off Two Way Radios signs posted where el...

Page 6: ...er and is controlled via digital communication with the system controller This provides advanced programmable features and fast access to communication channels In the conventional mode the user selects a channel and directly communicates on that channel In this mode a system refers to a set of channels A channel is a transmit receive radio frequency pair The exact operation of the radio will depe...

Page 7: ...peration The keypad is used for manual number entry for individual calls access to a telephone interconnect system and activation of various EDACS or conventional features such as menu selection Each key has an associated LED for status indication The display has two lines with eight alphanumeric characters used to show the operational mode of the radio There is one LED for indicating transmitter ...

Page 8: ... sounds if enabled through programming to indicate the radio is operational Rotating the control clockwise increases the volume level Minimum volume levels may be programmed into the radio to prevent missed calls due to a low volume setting While adjusting the volume the display will momentarily indicate the volume level i e VOL 31 The volume range is from a minimum level of zero displayed as OFF ...

Page 9: ...channel and then either add or delete the group channel from the system scan list The add button will select the last scanned channel recall by pressing it twice when the radio is actively receiving or three times when the radio is not actively receiving INDICATORS Transmitter enabled ON when the radio is transmitting BuSY On indicates a carrier is being received the channel is busy Note that if t...

Page 10: ...ey functions can be remapped to any of the primary function keys using the PC programming software It is suggested that the blank keypad located at the back of this manual be completed if the keypad key functions are changed Standard Keycap Configuration The Standard keycap package for the System radio includes five 5 labeled keycaps MODE HOME CHN AUX1 and AUX2 and six 6 blank keycaps which can be...

Page 11: ... key function returns the radio to the Home System Group where it is programmed CHN This key is used to enter the Channel select mode AUX1 2 These keys are used to control output 1 or 2 Their definition is PC programmable S This key is used to enter the System select mode g This key is used to enter the Group select mode o O This key function is used to toggle a PC programmable feature ON and OFF ...

Page 12: ...uard T99 on and OFF if programmed for the selected channel p Used to place telephone calls through the radio by selecting the interconnect special call function See Telephone Interconnect Calls for details d Used to adjust the current display intensity and the keypad backlight level i Used to call individual or make an all call by selecting the individual call function See Individual Calls for det...

Page 13: ...n the secondary keypad is active i e entering phone digits for an interconnect call the k button can be used to toggle the keypad buttons back to their primary function perform a task siren light enable and then toggle back to finish entering the digits for the phone number PRIMARY is displayed when the k button is used to toggle the keypad keys back to their primary functions This provides quick ...

Page 14: ...which show the various operating characteristics of the radio The icons appear on the first line of the display indicates selected group or channel is in scan list indicates selected group or channel is programmed as Priority 1 in scan list indicates selected group or channel is programmed as Priority 2 in scan list indicates conventional channel enabled with Channel Guard function indicates the E...

Page 15: ...A SCAN Wide Area Scan Trunked mode only Indicates the control channel is lost and radio has entered the Wide Area Scan mode to search for a new system if enabled through programming TALKARND Talk around Conventional mode only Indicates the radio is operating on conventional channels in talk around mode no repeater RXEMER Receive Emergency Trunked mode only Indicates an emergency call is being rece...

Page 16: ...s function of the radio is enabled PA OFF Public Address OFF Momentary 2 seconds indicates that public address function of the radio was disabled ALRM ON External Alarm Enabled Indicates that the external alarm function of the radio is enabled ALRM OFF External Alarm Disabled Momentary 2 seconds indicates that external alarm function of radio was disabled PVT DIS Private Mode Disabled Indicates th...

Page 17: ... and remains displayed in line 1 until one chooses a menu item SYS 1 64 System 1 64 This is the system number for the current base station of the system displayed in line 1 It is displayed in line 2 of the display Press the system key to obtain this display GRP 1 64 Group 1 64 This is the group number of the group displayed in line 2 of display It is displayed in line 1 of the display Press the gr...

Page 18: ...ammable items in either the phone list or individual call list The user programmable items are items 1 through 10 in each list INV SYS Invalid System Displayed when the current system is an invalid type CHN 1 99 Channel 1 99 This is displayed on line 1 of the display is conventional channel index when the group key is depressed FIX LIST Fixed List Priority scan list is fixed and cannot be changed ...

Page 19: ...yed on line 1 of the display in the display key mode of the menu The key of the key name display is displayed in line 2 GRP KEY Group Key This is displayed on line 1 of the display in the display key mode of the menu for trunked systems only It is followed in the second line with a key number KEY 1 7 CHN KEY Channel Key This is displayed on line 1 of the display in the display key mode of the menu...

Page 20: ...s the transmitter autokey for a short period to hold the channel The radio sounds a mid pitched tone when it is clear to talk immediately press the PTT button to keep the assigned channel CALL QUEUED TRUNKED MODE ONLY A high pitched tone after pressing the PTT button indicates the system has placed the call request in the queue The receiving unit s also hear the tones indicating they will receive ...

Page 21: ...TT button to maintain communications This will reset the carrier control timer and turn the transmitter back on KEY PRESS ALERT A short tone or beep sounds to indicate a key has been pressed A short low pitched tone indicates no action was taken because the key is not active in the current mode DUAL CONTROL SWITCHING When control is switched to a previously idle control unit two short high pitched...

Page 22: ...etente to turn the radio on A short beep if enabled through programming indicates the radio is ready for operation The display indicates if programmed the last selected system name on line one and the last selected group or channel name on line two In the EDACS trunked environment if communication with the system s control channel cannot be established the CC SCAN message will be displayed This ma...

Page 23: ...ode by pressing the S key If SYSTEM 2 is the current selection the display appears as follows S O U T H S Y S 2 Line one contains the current system name SOUTH and line two SYS 2 indicates that selection is from the system list and it is the second system within the list A new system from the list is selected by using the RAMP control or or by directly entering the system number with the numeric k...

Page 24: ...if it is enabled If a call is received during the selection mode process the radio will return to the normal receive mode display Continuing with the selection process will return the display to the same point in the selection process if the selection mode time out has not yet expired Any press of the PTT button during the selection mode process will initiate transmission and exit the selection mo...

Page 25: ... and until the display shows M E N U B C K L G H T PRESS SEL The backlight menu item is activated and the display will be similar to the following B C K X X X Y Y Y Y Y Y Y Y Line one shows the active menu item and its current parameter setting XXX Line two shows the currently selected system or group name YYYYYYYY The menu item s parameter setting shown in the display can now be changed by using ...

Page 26: ...ystems Only Menu Item IND CALL Once Selected See Individual Call Section Allows access to the Individual Call Feature External Alarm Menu Item EXTALARM Once Selected EXTALARM ON OFF EXTALARM replaces the system name on the display as long as the external alarm feature is enabled PUBLIC ADDRESS Menu item PUB ADDR Once selected PA ON or PA OFF ON OFF Public Address is toggled on and OFF EXTERNAL SPE...

Page 27: ...ned Channel Recall Menu Item SCAN ADD When pressed twice if actively receiving or three times when not receiving Scan icon displayed Changes the selected channel to the Last Scanned Channel Home group or channel selection Menu item HOME Once selected Home group or channel displayed Changes to the group or channel defined for Home function System select Menu item SYS SEL Once selected SYS n 1 64 n ...

Page 28: ...unked System Only Menu item MESSAGE Once selected MSG n 0 9 n umber of pre programmed messages Transmits the pre programmed message Talk around feature Conventional System Only Menu item TALKARND Once selected TALKARND on line 1 ON OFF Toggles selected talk around channel on or OFF Channel selection Conventional System Only Menu item CHN SEL Once selected CHN n 1 99 n umber of desired channel Disp...

Page 29: ...o view in the order displayed the following Serial number ROM data serial number of the ROM Feature encryption data stream used to enable features Number Fields defines limits Features enabled displays bit fields of enabled features Serial Number ROM 12 Hex Digits Example To enable a feature in the radio contact M A COM and provide the ROM serial number The serial number shown here is for example ...

Page 30: ...combination available SY XXX EDACS maximum trunked system limit CH XXX Maximum number of conventional channels available The user needs to know the limits of the radio before attempting to enable other features The numbers shown here are for example only Features Enabled These numbers indicate which features are enabled Example 30 ...

Page 31: ... EDACS Dynamic Regroup operation 08 EDACS Emergency Operation 09 Type 99 Encode 10 Conventional mode Emergency operation 11 RF Pre amp enable 12 Aegis Digital Voice operation 13 VGE encryption 14 DES encryption 15 User defined speech encryption 16 Mobile Data operation 17 Status and Message operation 18 Test Unit Operation 21 Alternate Language Operation 22 Over The Air Personality Programming Pro...

Page 32: ... after entering a particular selection mode in this manner is the secondary function of these keys System Selection Several methods some of which depend on programming can be used to select a new system These procedures are presumed to be starting from the normal receive display METHOD 1 If system selection is programmed to the SYSTEM GROUP CHANNEL knob select a system by turning the SYSTEM GROUP ...

Page 33: ...hrough the group list The display registers the new group name on line two METHOD 3 Press g to enter the group select mode and follow the selection mode rules detailed earlier Presses of the RAMP control will now scroll through different groups LAST SYSTEM GROUP OR CHANNEL RECALL Supervisory Radio Units Only This feature enabled through ProGrammer allows the user to recall the last selected system...

Page 34: ...oup call it un mutes on the assigned working channel and BSY indicator comes on Line one shows GR followed by the logical ID number if received of the unit sending the message or the associated name if the ID number is found in the individual call list SENDING A CALL 1 Turn ON the radio and set the POWER ON OFF VOLUME knob to the desired volume level Select the desired system and group 2 Press and...

Page 35: ...l will not operate EMERGENCY OPERATION The radio s ability to declare an emergency clear an emergency remain locked on an emergency and group and the emergency audio and display freeze can each be enabled or disabled through programming When an emergency is declared scanning will stop and restarts only after the emergency has been cleared Receiving An Emergency Call When receiving an emergency cal...

Page 36: ...ay be programmed to automatically scan the control channels of other systems If a new control channel is found the radio will switch to the new system and sound an alert tone ProSound The radio may be programmed for ProSound system scan operation for multi site applications ProSound is an enhanced multi site system scanning algorithm compared to Wide Area System Scan ProSound provides the radio wi...

Page 37: ...l channel is found Priority System Scan The radio may also be programmed for Priority System Scan To ensure that this feature operates correctly the control channel of the priority system must be located on channel one unless you are using the ProSound ProScan algorithm The priority system is the desired or preferred system While receiving the control channel of the selected system the radio will ...

Page 38: ... capability which operates similar to priority scan in Conventional mode The following is a description of PC Programmable scan features that should be helpful in understanding the Group Scan Operation of the radio Scan Hang Time the delay time the radio waits before resuming scan after the push to talk is released or after the carrier has dropped a channel TX Select the group the radio will trans...

Page 39: ...he scan list starts at the lowest priority If the the Priority 1 and Priority 2 groups are already set and a new group is assigned as Priority 1 or Priority 2 the previously assigned group will change to non priority scanning Deleting Groups From A Scan List 1 With scan operation turned OFF select the desired group to delete from the selected trunked system s group scan list 2 Press or on the SCAN...

Page 40: ...s group is recalled for a period equal to the scan hang time Priority Group Scanning When scan is enabled and the Priority 1 and Priority 2 groups have been identified the radio will listen to calls on those groups and the selected group While receiving a scanned group call the radio will continue to monitor the selected Priority 1 and Priority 2 groups and will drop the call if the selected group...

Page 41: ...e out the call will automatically be directed to the originating unit If a response is not made before the call back time out the radio will return to normal receive mode but WHC will be displayed If the caller s ID is not received UNKNOWN will display for the duration of the call and there will be no callback hang time To respond after the callback time out press the i key The radio s display wil...

Page 42: ...ave been received the saved call list will be empty and the pre stored list will be available upon entering the individual call mode When in the saved call list pressing m toggles the time stamp on and OFF The time stamp indicates how long ago the call was received The display indicates this information as HH MM SS where HH hours MM minutes and SS seconds When in the pre stored list pressing m tog...

Page 43: ... the indicator turns OFF and indicates the return of SCAT control channel signaling TELEPHONE INTERCONNECT CALLS Receiving A Telephone Interconnect Call Trunked Mode Only Receiving a telephone interconnect call is identical to receiving an individual call See the DTMF Overdial Operation section if access to services requiring over dial is needed Overdial operations are available for any special ca...

Page 44: ...nd the caller can only be heard when PTT is released the radio is receiving DTMF Overdial Conventional Mode Telephone Interconnect Once the radio has established a connection to the public telephone system it may be necessary to over dial more digits to access banking services answering machines credit card calls or other types of systems that require DTMF Dual Tone Multi Frequency access digits O...

Page 45: ...essing p Programmable Entries Individual call ID numbers telephone numbers and other number sequences for overdialing are stored in the special call lists when programming the radio The radio operator can change the first ten entry locations of these lists The keypad is used when adding changing and storing numbers in these entry locations Use the following procedure to store a number in one of th...

Page 46: ...ng the data cable Also turn the power of the radio OFF when docking or undocking a connected laptop computer Failure to turn the power of the radio OFF may damage the radio requiring the replacement of an internal non user serviceable fuse Displays The following will be displayed on the control unit during the various states of data mode of operation TX DATA Displayed on bottom line of display whe...

Page 47: ...ring an emergency but valid only if emergency caused data OFF operation Exiting Data Calls Under normal conditions the radio enters the scan lockout mode and returns to the control channel after completion of a data call transmit or receive If during a data call one of the following conditions occurs the data call is immediately terminated and the radio performs the desired function PTT activated ...

Page 48: ...n to turn scan ON or OFF Data Lockout Mode The data lock mode is a pre programmed mode when the radio will not respond to any data channel assignments and prevents receive data calls from interrupting voice calls Transmit data calls will still be initiated when needed by the operator After a pre programmed time the radio will respond to receive data calls however the following conditions will clea...

Page 49: ...r stored in the radio memory where it can be polled by the site at a future time If the site receives the status properly when transmitted or polled by the site a high pitched tone sounds and the key light associated with that status will remain lit If the site does not receive the status properly a low pitched tone sounds and the key light associated with the status will blink If an incorrect sta...

Page 50: ...riod by pressing another number button The message text selection can also be cancelled by pressing the c button prior to the time out period To view the currently selected message text after it has been transmitted press the n button and then the c button prior to the time out period If the message text was not sent successfully to the site the text associated with the message will flash in the d...

Page 51: ...regroup and the user selects a group that has not been regrouped the display will show NO ENTRY The radio will be prevented from transmitting and receiving calls in this condition except for scanned groups Emergency Operation If the pre programmed group set on the currently selected system contains an EMER HOME group and the radio is in dynamic regroup the radio will exit dynamic regroup and decla...

Page 52: ...rt alert signal if enabled through programming indicates the radio is ready to use 2 Adjust the POWER ON OFF VOLUME knob to the desired volume level 3 Select the desired conventional system and channel The display indicates the current conventional system and channel names 4 The radio is now ready to receive calls 5 When the radio receives a call and the correct encoding is decoded if programmed a...

Page 53: ...ue to be transmitted on the newly selected channel METHOD 2 Same as METHOD 1 but the radio will lock on to the currently selected channel Any attempts to change the system or channel will be disabled METHOD 3 G STAR is transmitted on a pre programmed conventional emergency system and channel regardless of the selected channel In this case the selected channel is available for voice transmission an...

Page 54: ... programmed to scan for channels with decoding enabled Fewer channels will result in a faster scan rate If programmed for dual priority scan operation the priority one priority two and the remaining scan list channels are scanned Once a signal is detected and the correct encoded squelch signal is decoded if programmed the radio receives the message and displays the received scan channel At the sam...

Page 55: ... be deleted from the scan list by pressing before the channel is set to a previous priority setting Any channel that is in a system s channel scan list will show S 2 or 1 for the time out period when it is the selected channel Deleting Channels From A Scan List 1 With scan operation turned OFF select the desired channel to delete from the selected conventional system s channel scan list 2 Press or...

Page 56: ...E Scanning will stop while microphone is OFF hook if hook switch feature is enabled through programming 2 When a channel on the scan list receives a channel assignment the radio un mutes on the assigned channel BSY indicator comes ON and the received scan channel is displayed The radio will continue scanning if a new channel is selected when scan is ON Pressing the PTT button when scan is ON will ...

Page 57: ...to their previous states Menu Selection 1 Press the m key and then use the RAMP control or to scroll through the selections until SQUELCH is displayed Then press m SELECT again 2 The display will show SQLCH xx where xx is the value between 1 and 16 3 Use the RAMP control or to scroll through the values Then press the m SELECT key to save the new value after the display time out 2 seconds The displ...

Page 58: ...ed Keypad Key Press the pre programmed key and the display will indicate NB ON or NB OFF Press the key again to toggle the function TYPE 99 DECODE Conventional Only If the Type 99 Decode Option has been pre programmed individual selective calling is possible The radio can now decode individual group or super group paging calls Two sets of Type 99 paging codes must be pre programmed into the radio ...

Page 59: ... the vehicle horn when a Type 99 call is received This option permits alerting persons out of the vehicle when a call is received NOTE Type 99 is automatically disabled when Scan is enabled Menu Selection Press M and then use control to scroll through the selections until T99 ENAB is displayed Then press M to toggle the Type 99 decode state The T99 ON or T99 OFF display message is displayed for tw...

Page 60: ...programmed for the selected channel the radio will not transmit when the channel is busy 4 Press and hold the PTT button The TX indicator will light and a short beep sounds if pre programmed indicating that communication can begin 5 Release the PTT button when the transmission is complete and listen for a reply 6 When the communications is completed press the pre programmed button to toggle the ta...

Page 61: ...siren light key activity will only be active during the programmable time out window The duration of the time out window is programmable between from 5 127 5 seconds During the time out window the respective key indicator will be ON When the timer expires the activity will be terminated and the indicator will turn OFF If an additional time out key programmed for ADDITIVE is pressed during the time...

Page 62: ...ard clear modes are identical voice modes in which the radio transmits and receives only clear analog voice signals These analog signals are non digitized and non encrypted Clear mode transmissions can be easily monitored by unauthorized persons Groups or channels programmed for clear operation cannot transmit or receive unencrypted digital or private messages AEGIS ProVoice Digital Mode Aegis Pro...

Page 63: ... programmed for the current system if the ID being called is not in the I Call list If the ID is in the I Call list then the call will be transmitted as defined by the I Call mode programmed in the list for that ID DTMF The overdial and hot keypad features for transmitting DTMF tones are not available while in the Aegis Digital Mode or ProVoice Digital Mode ERROR Messages If any of the following e...

Page 64: ...s according to the radio s programming Groups and channels within Aegis ProVoice or Voice Guard systems can be programmed for keys 1 7 Up to 8 banks of 7 keys can be stored for Aegis DES and VGE systems DES radios require a DES Keyloader Option V4025 with software version 3 n or later VGE radios require a VGE Keyloader Option V4028 with software version 2 n or later When operating on a group or ch...

Page 65: ...the selected cryptographic key number 10 Disconnect the cable from the extended option cable Press the C Scan Model or c System Model button to exit the Keyload operation The radio will change to the selected group or channel as indicated in the display Displaying The Currently Used Cryptographic Key Number To display the cryptographic key currently in use for either the system encryption key for ...

Page 66: ... this to occur the selected group or channel must be programmed for private operation and the correct cryptographic key must be loaded into the radio Transmitting An Encrypted Call 1 Select the desired group or channel 2 Place the radio in private mode by pressing the PVT button System Model or O Scan Model When private mode is enabled the PVT key light System Model or OPTION key light Scan Model ...

Page 67: ...ansmitting and receiving radios when Aegis or ProVoice digital or private operation is enabled If address is not correct the radios will not communicate Channel Guard Channel Guard encode is transmitted on analog clear channels only Channel Guard decode will operate on either a clear or private channel The exception is when G STAR signaling is used see G STAR paragraph G STAR When G STAR is progra...

Page 68: ...ngs when control is switched Both controllers display the current information If a key is pressed at the idle controller other than PTT E or siren and light keys as noted in following paragraphs a low tone will sound and the display will temporarily show DUAL on line one of the idle controller When control is switched in a Slaved mode system all of the radio settings and states will remain in effe...

Page 69: ...dio may be configured to operate in a multiple radio mode that permits more than one radio to be controlled from a single control unit or control location The radios could be different frequency splits trunked conventional etc In the multiple radio operation the radios continue to operate as individual radios except with a common control unit The control unit is used for display and control The co...

Page 70: ...tion of the call This mode corresponds with the first come first serve audio mode see following paragraph on Audio Modes Audio Modes In multiple radio operation the audio from the mobile radio units can be pre programmed to be summed or available on a first come first serve process Audio Summed When audio is summed the audio from all radios will be available when ever the radios receive a call If ...

Page 71: ...INTERCONNECT CALL SYSTEM MODEL ONLY 1 Select a channel in the radio system that has telephone interconnect capability The radio should be programmed for DTMF operation on this channel 2 Press the k button to toggle the keypad to the DTMF function secondary function 3 Press and hold PTT to key the transmitter While holding the PTT press the or key as required by the radio system to obtain a telepho...

Page 72: ...the primary function if no more interconnect calls is to be made KEYPAD REMAPPING If the keys have been remapped to provide new functions please fill in the following for future reference Orion System Model Keypad Orion Scan Model Keypad 72 ...

Page 73: ...mergency message such as reporting a fire or asking for help in an accident KEEP OFF THE AIR Use of profane or obscene language is prohibited by Federal Law It is against the law to send false call letters or a false distress or emergency message The FCC requires that conversations be brief and confined to business To save time use coded messages whenever possible Using the radio to send personal ...

Page 74: ...annels allocated for conventional use i e conventional system CCT Carrier Controlled Timer a programmable timer that will disable a transmission if the length is exceeded CG Channel Guard a method of controlling speaker mute with a tone or digital code Fleet A fleet of users consists of multiple groups sub fleets Radios can be programmed to make fleet calls to simultaneously access multiple user g...

Page 75: ...an monitor activity on separate trunked systems and receive calls on any of these systems Trunked Mode Only Talk around Mode Also referred to as direct mode talk around provides a direct unit to unit short range communications link It is intended to maintain communications outside of the main system coverage area Telephone Inter Connect This feature allows the user to initiate or receive telephone...

Page 76: ...a Encode A programmed option which ensures all system scanning mobile and personal radios have time to lock onto the call before the initiating unit is allowed to talk Working Channel A radio channel transmit receive that is automatically assigned by the site controller for voice or data communications ...

Page 77: ...77 OPERATOR S RADIO SETUP RADIO TYPE FREQUENCY BAND OPERATOR S NAME EMERGENCY GROUP SYSTEM NUMBER SYSTEM NAME TRK CNV GRP CHN NUMBER GRP CHN NAME USE ...

Page 78: ...be provided at no charge during the warranty period only for the Equipment covered under Paragraph B 3 and B 4 To be eligible for no charge labor service must be performed at a M A COM factory by an Authorized Service Center ASC or other Servicer approved for these purposes either at its place of business during normal business hours for mobile or personal equipment or at the Buyer s location for ...

Page 79: ...NOTES 79 ...

Page 80: ...PS The following conditions tend to reduce the effective range of two way radios and should be avoided whenever possible Operating the radio in low areas of terrain or while under power lines or bridges In areas where transmission or reception is poor some improvements may be obtained by insuring that the antenna is vertical particularly if a glass mount antenna is used Moving a few yards in anoth...

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