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BTECH GMRS-50V2 - DTMF RX Settings; DTMF TX Settings

BTECH GMRS-50V2
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33
2. Use Menu 18 settings on the radio to select the PTTID signal mode (2Tone, 5Tone, or DTMF),
3. Use Menu 20 settings to select when the PTTID (BOT, EOT, Both) is transmitted.
4. Use Menu 21 settings to program the PTTID transmit delay time.
5. After all the settings are set, when you transmit (Press the PTT), the radio will transmit the PTTID.
DTMF RX Settings
This radio has DTMF encoding and decoding. Use the PC software to set the DTMF code first.
DTMF TX Settings
In two-way radio systems, DTMF is most commonly used for automation systems and remote control. A
common example would be in amateur radio repeaters where some repeaters are activated by sending
out a DTMF sequence (usually a simple single-digit sequence).
Table 7.1. DTMF frequencies and corresponding codes
1209 Hz
1336 Hz
1477 Hz
1633 Hz
697 Hz
1
2
3
A -
770 Hz
4
5
6
B -
852 Hz
7
8
9
C -
941 Hz
*/scan
0
#/lock
D -

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