Icom IC-910H - Programming for 5-Tone Calls with Open MIC

© June 2011 Icom America 3
Programming for 5-Tone Calls with Open Mic
This procedure enables you to call a particular radio (selective call) and listen with the RX radio mic open for a
pre period of time.
The following instructions assume that frequencies, tones, and squelch are set and the radios are in PMR mode
(found in the Menu bar under Model). These instructions apply to all Icom radios with PMR capability.
TX Radio:
Memory Ch
Field
Setting / Description
CH Mute
Mute options depend on radio model:
Cont (not muted)
Or (not muted)
Switch Action » Call
Set to Audible
5Tone Signaling » Form
Set to EIA
5Tone Signaling » STN
Set to 1. Points to 1
st
line in the TX Code CH window: target
Radio’s 5 Tone code
TX Code CH (under 5 Tone):
Field
Setting / Description
Line 1
Target radio ID
Line 2, 3…
5-tone for multiple target radios
Key and Display (under Common)
Field
Setting / Description
Key » P0-P3
Assign a key (right-click Conventional field to access
menu) for the following functions:
TX Code CH Select— Enters the Code Select mode so
that you can select a target radio from the TX Code
Channel list.
TX Code CH Up—Allows you to scroll through the target
radio list and select a radio. (As an alternative, you can
also use the Up/Down keys to scroll.)
Call—Sends the 5-tone signal to the target radio.
Common (under Common):
Field
Setting / Description
Auto Reset » Timer B
This timer sets how long mute will be open (and other reset
functions). Set to 10 sec, or as desired.