Page 1: ......
Page 2: ...ls over a frequency range of 136 to 160 MHz with an RF output of 3 watts This synthesized portable utilizes a microprocessor core allowing features and performance designed to meet the requirements of a commercial NDI NSUR as detailed in the Purchase Description AN PRC 127 A Radio Set Using the information in this manual will help assure optimum and proper performance from the Radio The Radio Set ...
Page 3: ...y pack Position the pack at the 30 offset seating two metal studs in their recess Apply upward pressure to the pack while twisting the pack to its original position The metal tab will click locking the pack in position C To remove the battery pack first turn the radio off Then as shown above push up the metal tab on the side of the case while twisting the battery pack approximately 30 and remove i...
Page 4: ...IO WITH KEYBOARD DISPLAY COVERED REDUCED VIEW EXTERNAL ANTENNA JACK ACCESSORY JACK MOUNT f EARPHONE JACK PUSH TALK Annunciators PROG SCAN TX RX ID CG 888 8888 7 SEGMENT LIQUID CRYSTAL DISPLAY SPEAKER MICROPHONE LCD DISPLAY KEYBOARD EPI 3101A User s Manual 3 ...
Page 5: ... receiver in Code Guard mode A message will be heard only when the proper Code Guard value is received PressthePTT PushToTalk switch If installed use the Speaker Microphone s PTT When the transmitter is on the LCD goes blank TALK IN A NORMAL VOICE With the microphone one to two inches from your mouth RELEASE THE PTT switch to stop transmitting If the LCD display does not go blank when you press th...
Page 6: ...s as described later El El El E Function Used only in Programming Mode Clear Erase Used in Operational and J Display Current Channel Group Also usec in Programming Mode VOLUME CONTROL Rotating the Volume Control OFF VOL Knob clockwise from its detent OFF position turns the Radio ON The display will first show briefly the current Channel Group It will then show the current Channel Number Rotating t...
Page 7: ... is factory programmed for narrow channel 12 5 kHz FM reception Channel Group 02 is programmed for wide channel 25 kHz FM reception Use Group 02 for proper communication with the original AN PRC 127 Radio PRESS THE KEY on the keyboard to display the current Channel Group number If it isn t the desired Group proceed to the next step PRESS A NUMBER KEY for the new Group number PRESS THE ENT KEY or w...
Page 8: ... Channel Number and very briefly the small TX annunciator If the length of the message or transmission PTT held in exceeds the Radio s programmed Transmit Timeout value the transmitter will automatically shut off and an error tone will be heard In addition the display will show the current Channel Number and the small TX annunciator To continue with the transmission momentarily release the PTT swi...
Page 9: ...ble level SET CODE GUARD MODE by turning the Squelch knob completely counterclockwise past the detent to the CG position A message will be heard only when the proper Code Guard value is received CODE GUARD TRANSMIT TURN THE SQUELCH KNOB clockwise off the detent MONITOR THE CODE GUARD CHANNEL before transmitting PRESS THE PTT Push To Talk switch if the channel is not busy signal is not present When...
Page 10: ...pack if installed Then engaging the door just below the speaker grill slide the door downward Reinstall the battery pack Make sure the battery pack is charged 1 Turn the radio on 2 Select the Channel Group to be programmed or reviewed 3 Press and hold the FCN key After approximately three seconds the LCD will display Id 4 Release the FCN key The radio is now in the password entry mode 5 Enter the ...
Page 11: ...into normal operating condition If you make an errorwhile entering the new Password Code press the CLR key and try again I ehl 7 Press the ENT key to store the new Password Code and proceed to the programming mode The display will change to PROG Ch 0 The Radio is now ready for Reviewing and or Programming TO REVIEW GENERAL RADIO PERFORMANCE VARIABLES CHANNEL 0 Channel 0 is the portion of the progr...
Page 12: ... and the 2 Number shown is only an example Only the ID Transmit Timeout Timer and Battery Saver Inhibit may be changed from the Factory settings Scan Delay Time and all other Functions should not be changed 3 It is highly recommended that the ID Transmit Timeout Timer and Battery Saver Inhibit settings be the same for Channel Group 01 and Channel Group 02 Battery Saver Inhibit should be enabled on...
Page 13: ...led or disabled 11 7 Press the FCN key The display will loop back to the Channel 0 entry point and show PROGChO ENTRY POINT TO REVIEW FREQUENCIES AND CODE GUARD FOR AN INDIVIDUAL CHANNEL IN THE SELECTED CHANNEL GROUP IPROG R X C G I 1 1 After entering the program mode the display will show PROG Ch 0 2 Press CLR and then press the digit key s of the channel that needs to be reviewed The display wil...
Page 14: ...the frequencies and Code Guard of this next channel 9 To leave the programming mode power the unit down by rotating the volume knob counter clockwise to the OFF position Normal operation will occur on the next power up TO PROGRAM GENERAL RADIO PERFORMANCE VARIABLES CH 0 OF THE SELECTED CHANNEL GROUP A To Set the ID Number P R O G I D 1 After selecting the desired Channel Group 01 or 02 and enterin...
Page 15: ... the next section To Set the Transmit Timeout Timer After the ID number is set the upper display will show PROG TX This is the duration of the Transmit Timeout Timer 0 SEC means that the Timeout Timer is disabled and the Unit will transmit as long as the PTT switch is held in 1 If no change is needed press FCN to advance to the next section 2 The Timeout Timer length can be changed by pressing the...
Page 16: ... page 11 for Description and Factory Settings information When a Function is enabled the corresponding number in the display will flash When the Function is disabled the number is steady If you wish to change the Function from enable to disable or vice versa press the number key corresponding to that Function Once each Function 1 5 is set as desired press ENT to store them into memory and automati...
Page 17: ...cally advance the program to the next section If no changes have been entered press FCN to advance to the next section F Miscellaneous Channel 0 Programming GROUPTWO FUNCTIONS After Group 1 functions are set the v display will show PROG 2 12345 for Gyp 2 functims As with Group 1 functions the enabled function number will flash The disabled functions remain USER CODE GUARD ENABLED User Code Guard S...
Page 18: ...ple VVhen programming a 127A a channel in Group 02 can be programmed to receive on 160 000 MHz with a 127 characteristic receive mode At this time the same channel in Group 01 can be programmed to receive on 160 000 MHz with a 1 1 27A characteristic receive mode IPROG I J NO RECEIVE FREQUENCY 1 Press 1 for example and the display will show PROG Ch 1 This is the entry point for channel 1 values 2 P...
Page 19: ...OOkHz O 9 _IID xxx x000 050 100 125 150 200 2 5 0 300 350 375 4 0 0 4 5 0 500 550 600 6 2 5 650 700 750 800 850 875 900 950 v lOkHz O 9 1 kHz 0 2 or5 1kHz O or 5 I Table 1 Proper Frequency Increments 18 ...
Page 20: ...CODE code 0 through 7 keys only 8 9 respond as a 7 Pressing the PRI key after the three digit code has been entered allows the digital code to be inverted VVhen the displayed value is correct press ENT to store the Code Guard and automatically advance to the next value 5 After the receive Code Guard is set the upper part of the display will show PROG TX This is the Transmit TX Frequency for Channe...
Page 21: ...ys only 8 9 respond as a 7 Pressing the PRI key after the three digit code has been entered allows the digital code to be inverted VVhen the displayed value is correct press ENT to store the Code Guard and automatically advance to the next value After the transmit Code Guard is set the display will loop back to the Channel 1 entry point If you wish to review the frequencies and Code Guard values i...
Page 22: ...e coverage area should be made from one of the Groups A B or C as much as possible RELM guarantees optimum receiver performance only if tone frequencies below 220 Hz are chosen GROUP A GROUP B GROUP C 67 0 77 0 88 5 100 0 107 2 114 8 123 0 131 8 141 3 151 4 71 9 146 2 74 4 162 2 82 5 156 7 79 7 173 8 94 8 167 9 85 4 186 2 103 5 179 9 91 5 203 5 100 9 192 8 218 1 118 8 210 7 233 6 127 3 225 7 250 3...
Page 23: ...ission systems without mobile relays repeaters remote control etc may use codes from the table Systems with relays etc may use code variations for system control and operational efficiency The system operator or engineer should be consulted regarding the operational requirement on such systems 023 065 131 172 251 331 412 466 612 703 025 071 132 174 261 343 413 503 624 712 026 072 134 205 263 346 4...
Page 24: ... push button MASTER switch This plug must be attached to the MASTER radio 3 Power up the MASTER radio by rotating the off volume knob clockwise past the detent 5 6 7 IMPORTANT The MASTER and CLONE radios must be set to the same Channel Group before cloning is started Do NOT clone Channel Group 01 to Group 02 or vice versa To put the MASTER radio in the programming mode press and hold the MASTER sw...
Page 25: ...y will resume flashing PROG A To clone the other Channel Group power down both radios and go to Step 3 changing the Channel Group as required B If finished cloning power down the CLONE and disconnect the cloning cable Normal radio operation will occur on the CLONE s next power up 11 If the download was not successful the MASTER will display FAIL and multiple beeps will follow Failure of downloadin...
Page 26: ...ional radios for the system 1 l 2 3 4 5 6 Program the MASTER with all frequencies Code Guard values and Channel 0 values that will be common to all radios Advance the display to show the MASTER s ID number for example 100 Press CLR press 1 2 and 5 125 is now only in temporary memory Press connect the cloning cable to the CLONE radio and download by pressing FCN ID number 125 is now stored in perma...
Page 27: ... the permanent memory of the MASTER will remain unchanged as 300 PROGRAMMING FROM A COMPUTER Programming the radio from an IBM compatible computer using the LAA0725 Interface Cable is covered in a separate programming manual The manual is included with the programming software Contact RELM Communications Inc to order the interface cable and software Specify the program is for the EPI 3101A Radio 2...
Page 28: ...d on the bottom panel allows for either 115 VAC or 230 VAC operation The proper selection should be made before the Charger is plugged into the voltage source LAAO126 Nickel Cadmium Battery Pack High capacity 1200 mAH rechargeable battery pack Two packs one spare are shipped with the Radio Set LAA01 17 Battery Holder Allows the use of replaceable AA alkaline batteries when recharging of the LAA012...
Page 29: ...lt To install the LAA0203A 1 Lift away the protective cover from the Accessory connector and Earphone jack See Radio s side view on page 3 for their location The protective cover can not be completely removed since it is permanently attached near the flexible antenna s connector 2 Carefully install the Speaker Microphone s connector assembly into the Accessory and Earphone connectors 3 Screw in th...
Page 30: ...RELM Communications Inc 7505 Technology Drive West Melbourne FL 32904 Telephone 407 984 1414 FAX 407 676 4403 0 Copyright 1997 RELM Communications Inc All rights reserved P N 700 I 20257 900 1 97 ...
