User's Manual

Maintenance Manual
UDM-240ZH/ZBH
9
the button, the UDM-240ZH will be turned to standby mode.
Sub PTT
This function can be programmed to the power button on the side of the UDM. It is
used for transmission on a pre-programmed channel.
Menu button
It can be used to select and set user configurable features.
Earphone jack
The Earphone Jack on the top of the UDM will be used for interface with external
earphone.
The UDM-240ZH can be programmed by its PC program and programming cable.
3-2 Display
Status LED
The users can be recognized the current status by LED indicator on the top of the UDM.
The status indication will be as followings.
 Red LED ON : Transmitting
 Green LED ON : Receiving
 Blue LED ON : Charging (LED will be OFF after completion of charging)
 The UDM-240ZH can transmit and receive while charging.
FND Display
Displays menu function through 3FND type LCD
Ptt : TX status using the C channel
Int : TX status using the H channel
Ud1 : Program version(1
st
)
Ud2 : Program version(2
nd
)