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Table of Contents
Related Manuals for RELM EPI 3101A
Summary of Contents for RELM EPI 3101A
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Page 2: Table Of Contents
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 consists of the EPI 3101A Radio and the following accessory items: LAAO126 Rechargeable Nickel-Cadmium Battery (2), LAA0312A... -
Page 3: Preparation For Use
PREPARATION FOR USE KEYBOARD/DISPLAY COVER To remove or install the Keyboard/Display Cover, remove the battery if installed. The Cover slides in grooves and latches at its bottom edge. BATTERY INSTALLATION A. Battery packs are available as a rechargeable type (LAA0126) or as a non-rechargeable type (LAA01 17). -
Page 4: Radio Controls
M I C R O P H O N E M O U N T f - EARPHONE / JACK LCD DISPLAY K E Y B O A R D Annunciators -( PROG SCAN TX RX ID CG 7-SEGMENT LIQUID CRYSTAL DISPLAY EPI 3101A User’s Manual... -
Page 5: Basic Operation
BASIC OPERATION POWER ON by turning the Volume knob clockwise past the OFF detent. A beep sounds, indicating the radio is operational. The LCD briefly displays the current Group and then the Channel. ELECT A GROUP by pressing the following keys on the keyboard: #, 2 (or and then ENT. -
Page 6: Detailed Operation
Channel Number. Rotating the Volume Control Knob fully counter- clockwise to its detent position will turn the Unit OFF. The display will briefly show LobAt then go blank. The indication is normal at LobAt turn off. EPI 3101A User’s Manual... -
Page 7: Squelch Control
S Q U E L C H C O N T R O L Rotate the Squelch Control (CG-SQ) Knob clockwise from its detent (CG) position in order to hear any transmissions, regardless if they are tone or digital coded or not. This, in effect,. is the Radio’s MONITOR position. -
Page 8: Ptt Switch
If you forgetwhat thecurrent Channel REMINDER: Group is, press # and the display will show the Group’s number. Press the key or wait about 5 seconds and the display will return to showing the current channel. EPI 3101A User’s Manual... -
Page 9: Code Guard Operation
C O D E G U A R D O P E R A T I O N Code GuardTM, Tone or Digital, allows one radio or group of radios to be selectively called within a system. If the radio has been programmed with Code Guard, use the following receive and transmit instructions. -
Page 10: Programming
PROGRAMMING There are three different ways to program an EPI 3101A radio: A. It can be programmed and/or reviewed using its internal keyboard. This section of the manual describes that procedure. B. Another radio (MASTER) with the desired information can transfer its programmed settings to the radio (SLAVE) by using a cloning cable, LAA0700. - Page 11 To keep the Password Code unchanged, press the key and continue with normal radio programming To change the Password Code, press the key and enter a new six-digit password code. The’digits are now displayed as you enter them. The Password Code can contain the digits 0 through 9, *, and #.
- Page 12 Battery Saver being turned on. 4. ;1, for example, indicates that Function (l-1) is enabled and its corresponding number(s) in the display is flashing. W h e n a Function is disabled, its corresponding number(s) is steady. EPI 3101A User’s Manual...
- Page 13 1. After entering the Program Mode, the display will show PROG Ch 0. Press the key. The display will show an ID number (up to seven digits in length). Press the key. The display will show the Transmit Timeout Timer length in seconds.
- Page 14 Press the FCN key. The display will be blank or will show P R O G a one to a seven digit ID number. This ID number is intended as an electronic serial number for radio system management purposes. EPI 3101A User’s Manual...
- Page 15 4a. If no change is needed for the ID number, press FCN to advance to the next section. 4b. If necessary, a new number can be entered by pressing followed CLR, by any number consisting of one to seven digits. The digits will appear at the right of the screen and move to the left as more digits are entered.
- Page 16 GROUP ONE Functions Battery Saver Inhibit - If needed, press the key to change the Battery Saver’s status. BATTERY SAVER ON is steady, the REMINDER: Battery Saver Inhibit is disabled, EPI 3101A User’s Manual...
- Page 17 Functions 2 and 3 are used to define 2 & 3. Priority Scan operation. Since Priority Scan is not available, both 2 and 3 should be steady. Key Lockout-When enabled (flashing) the key will be locked out in the operating mode. Because the PRIORITY feature is not CHANNEL NOT CHANGEABLE available, the 4 should be flashing.
- Page 18 G. To Review Channel 0 Values Repeated pressing of the FCN key will display each value in Channel 0, then loop back to the Ch 0 entry point. To program the Channels 1 through 14, continue with the next Section. To quit programming, go to page 20 for details.
- Page 19 lOOkHz(O-9) lOkHz(O-9) 1 kHz(0,2 or5) 1kHz(O or 5) xxx. x000 2 5 0 4 0 0 4 5 0 6 2 5 Table 1. Proper Frequency Increments.
- Page 20 N O T R A N S M I T F R E Q U E N C Y advance to the next value. Only frequencies from 136 to 160 MHz in increments of 5 or 12.5 kHz will be operable. See Table 1 on page 18 for proper frequency increments. EPI 3101A User’s Manual...
- Page 21 After the Transmit Frequency is set, the upper part of the display will show CG. This is the PROG TX Code Guard value for Channel 1 transmit (0.0 indicates carrier squelch). If this value is correct, press to advance to the next value.
- Page 22 (RF) channel or adjacent channels in the same 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.
- Page 23 SELECTING A DIGITAL CODE GUARD Codes for the Digital Code Guard system (CDCSS) may be chosen from the following list. For the performance or compatibility of Digital Code Guard systems, it is recommended that an operational test be made on the intended system before wholesale assignments are made.
- Page 24 C L O N I N G STANDARD INSTRUCTIONS Any MASTER radio (an EPI 3101A with the desired radio frequencies and settings) is capable of transferring its program to another EPI 31 01A or SLAVE. The radio receiving the program also is referred to as the CLONE.
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Page 25: Cloning
Press the * key on the MASTER radio keyboard. The display will flash signifying that the radio is PROG ready to download its program to the CLONE. Press the key on the MASTER radio keyboard. The program in the MASTER will then be downloaded to the CLONE. - Page 26 MASTER. Press This will increment the PRI. ID number one digit to 126. Any new number can be NOTE: entered at this point by pressing and using the digit keys to enter the new number. EPI 3101A User’s Manual...
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Page 27: 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... -
Page 28: Accessories
LAA0126 battery pack is not available. The Holder, as shown, is only partially opened. Slide the cover all of the way up in order to install the 9 batteries. Then slide it back down until it snaps in place. EPI 3101A User’s Manual... - Page 29 Helical-wound flexible antenna that covers the entire range of frequencies that can be programmed into the EPI 3101A Radio. LAA0445A Carrying Case This textile case is built to provide proper protection while keeping the radio at your side. LAA0203A Speaker/Microphone...
- Page 30 RELM Communications, Inc. 7 5 0 5 T e c h n o l o g y D r i v e West Melbourne, FL 32904 Telephone: (407) 984-1414 FAX: (407) 676-4403 P/N 700 I-20257-900 1 - 9 7...
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