This can be set too Bleep On-TX before talking,anouncing yr transmission or on release of mic end of transmission.
Can also be set 3-tone on 1st key-up,5-Tone on second key-up,7-Tone on third key-up then repeats the sequence.
Tones are changed via dip switches on the circiut,which also gives the option to change from On-TX or End-TX.
BLEEP circuit used:
9-15V DC 3 / 5 / 7 Tone Bleep (MK-1)
WORKING fitted inside a cobra 200 GTL-DX:
5-Tone selection ON-TX (RX with another radio)
1. Change the Tone at ON-TX or END-TX
ON = Front (ON-TX)
OFF = Back (END-TX)
2. If ON 3-Tone
3. If ON 5-Tone
4. If ON 7-Tone