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DVS 2 Port Function Description: ("0"
means pin at ground, "1" means pin at Vdd)
(by AP2PN)
| PTT |
DVS0 |
DVS1 |
Function |
| 1 |
0 |
0 |
Receiver Audio at Voice Out, Voice In muted |
| 0 |
0 |
0 |
Voice Out and In both muted |
| 1 |
0 |
1 |
Transmitter Mic. audio at Voice Out, Voice In
muted |
| 1 |
1 |
0 |
Voice Out muted, Voice In signal at Receiver
Audio output |
| 1 |
1 |
1 |
Voice Out and In both muted |
| 0 |
1 |
1 |
Voice Out muted, Voice In signal at Receiver
Audio output and Transmitter Audio |
The Yaesu DVS port:
|
Pin # |
Name |
Description |
| 1 |
Voice In |
Input from Sound Blaster Speaker output |
| 2 |
Voice Out |
Output to Sound Blaster Mic input |
| 3 |
PTT |
Push To Talk control line |
| 4 |
Vdd |
Power Supply, +12V for FT-990 or +9V for all
others. |
| 5 |
DVS0 |
DVS control line |
| 6 |
DVS1 |
DVS control line |
| 7 |
GND |
Ground |
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