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Using the PC Command to Send the 2-tone Code
The transceiver sends a 2-tone code when a transmission command for a 2-tone code is sent from a PC to the
communication port of the transceiver.
To send a 2-tone code by using a PC command, “Data” or “Data + GPS Data Output” needs to be assigned to the
communication port of the transceiver. (Refer to Common FUNC
Available Functions for COM Port
.)
Functions Related to 2-tone Code Encoding
Functions related to 2-tone code encoding are shown below.
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Duration of 1st Tone
0
Duration of 2nd Tone
0
Duration of Single Tone
0
Gap Time
0
First Tone Delay Time
0
Sidetone
0
2-tone Encoding List
Functions Related to 2-tone Code Encoding
” of 1 P25 CONVENTIONAL SYSTEM for details of each function.
Decoding the 2-tone Code
The transceiver can wait for a 2-tone code on a channel with “2-tone 1”, “2-tone 2”, “2-tone 3”, or “2-tone 4” configured in
Optional Signaling for Group Call
. (Refer to
Using the Optional Signaling (Optional Signaling for Group Call)
.)
Transceiver Behavior:
The transceiver behavior varies depending on the configuration in
Audio Control for Group Call
(Talkgroup ID, or
Talkgroup ID and Optional Signaling). (Refer to
Unmuting the Speaker (Audio Control for Group Call)
.)
0
If “Talkgroup ID” is configured in Audio Control for Group Call
1
Receive a Group Call.
The transceiver migrates to the traffic channel.
The “
” icon blinks and the transceiver emits the received audio if the
received Talkgroup ID matches the Talkgroup ID preconfigured for the
transceiver.
Menu
Zone+
Z o n e 1
T a l k g r o u p 1
12 : 34
A
M
2 P25 TRUNKING SYSTEM
2.9 Using 2-tone to Initiate an Individual Call
P25 FUNC (K)/Ver 2.20
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