User's Manual

Function Description SP-7402
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② Tone Squelch 2 (On/Off)
Only audio-band tone squelch(2-Tone, 5-Tone, DTMF Squelch)
On/Off
Display Ex.) Display the tone squelch status for a second when
the status is changed.
2) Transmitting
- 송신방법
z PTT Key
Push the PTT (Push To Talk) key to transmit.
z VOX function (Voice Operated Transmit)
This function is to transmit by voice without pressing the PTT key.
The radio can transmit by low and high level voice in accordance with
VOX level 1 to 4.
- Transmit Option
z PTT ID
When transmission is starting, PTT ID which consists of DTMF or 5-
tone depend on system and signaling option can be transmitted.
z TX Power High/Low Control
Each channel can be capable of programmable output power via PC
programmer.
Each channel can be programmed high or low transmit power.
z TOT (Time Out Timer)
This function is to prevent continuous transmitting over than specified
time that is programmed via PC programmer.
z BCLO (Busy Channel Lock-Out)
This function is to prevent transmitting when current channel is in
busy status.