MH-42| Type |
Condenser hand microphone |
|---|
| Production history |
|---|
| Manufacturer |
Yaesu |
|---|
| Produced |
1999 |
|---|
The MH-42 is a fist microphone produced by Yaesu for their mobile radios. The microphone uses a condenser mic and has a PTT switch on the top left side. The MH-42 also features six additional buttons in addition to the PTT switch, these can be disabled using the lock switch on the right hand side. The microphone uses a circular mount on the rear for it to be hung up.
Connections
The microphone features a captive sprung cable terminated in a 6p6c modular connector.
| Diagram | Details |
|---|
 | ID | name | description |
|---|
| 1 | SW2 | Variable resistance to ground based on the button pressed open when no button is pressed. (27K: P, 66K: P1, 148K: Up, 368K: P2) |
| 2 | SP | unused |
| 3 | 9v | 9v power supply to the microphone |
| 4 | GND | ground connection for microphone and buttons |
| 5 | MIC | microphone output |
| 6 | SW1 | Variable resistance to ground based on the button pressed open when no button is pressed. (27K: PTT, 66K: Down, 148K: Up, 368K: ACC) |
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