Condenser hand microphone|
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.
The microphone features a captive sprung cable terminated in a 6p6c modular connector.
|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)|
|3||9v||9v power supply to the microphone|
|4||GND||ground connection for microphone and buttons|
|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)|