GE 12R II Series User Manual

COE Communications Engineering Document
Author:
Keith Gilbertson
Rev:
A
Date:
3/08/02
Pag
e:
29
of 33
GE
TRANSPORTATION
SYSTEMS
GLOBAL SIGNALING DIVISION
Title:
12RII FCC TECHNICAL MANUAL
VOLUME
1 2 3
DTMF
TONE
654
7
*
8 9
0 #
ICOM
SEND
HOME
TUNE
RX
PTT
CHANNEL
12R
SERIES
II
GRPGRP
AAR ch. 30
BNSF DISP. GRP
A
DIM
12. FRONT PANEL
Standard 12RII Front Panel Controls
LCD DISPLAY
Displays Channel & Group Names as well as operator prompts and status messages.
Front Panel Mic
Used when the Front Panel PTT switch is depressed to make a transmission.
Volume Up/Dn
Adjust level of audio heard over the speaker. Display indicates numeric setting when adjusted.
Channel Up/Dn
Used to scroll through the available channels (displayed on top line of LCD) available in the selected channel group (displayed on
bottom line of LCD).
Numeric Keypad
0 – 9, * and # used to generate DTMF dispatch call tones. Keypad will transmit DTMF tones when key is pressed if button is
activated for direct tone generation.
Home
Resets radio channel & group to designated “home” location.
GRP ^ & GRP v
Used to Scroll up and down through the available channel groups;
Tune RX
Active in AAR GROUP only. Used to create “split” channels (TX & RX different). Press to activate and use “channel buttons” to
select desired RX channel.
PTT
Used to make a radio transmission using the Front Panel Microphone. Press “PTT” button to activate transmitter, (LCD display will
indicate when radio is transmitting), and speak into the Front Panel Mic opening.
“SQUARE”
User assigned. Typically assigned for SCAN operation.
“CIRCLE”
User assigned. Typically assigned for Add/Delete function to add or remove channels from the scan list.
DIM
Alters intensity of backlit keypads and LCD for night viewing.
“A”
User assigned. Typically assigned for channel monitor. Press to disable radio squelch (audio mute function). Used to test for proper
volume setting (hear noise), or keep receiver squelch open if a reception is breaking up.
DTMF
Used to select a stored DTMF “phone number string” or to allow entry of a new string of numbers for auto-send function.
TONE
Used to select the preprogrammed dispatch call tone for auto-send function
ICOM
Takes radio to Intercom mode. Pressing again will take out of Intercom mode.
SEND
Causes radio to transmit and selected tone signal to be broadcast based on preset timing parameters.

GE 12R II Series Specifications

General

Brand	GE
Model	12R II Series
Category	Radio
Language	English