
Maintenance Manual
UDM-240ZH/ZBH
13
5
DESCRIPTION OF FUNCTION
5-1
POWER On/Off
Press the “power” button for more than 2 seconds then, the UDM is turned ON, a
“beep” sound is heard and “Ud1” or “Ud2” is displayed.
5-2
TRANSMIT
While pressing the “PTT” or “power” button for transmitting, the red LED will be on
and through the setup channel, you can communicate.
For the better sound quality, it is recommended to take 5~10cm away from your body.
According to the program versions FND can be displayed as follows.
“
”or ”
”or ”
”or”
”
5-3
RECEIVE
User can adjust the volume level (1~8 steps) by using Up/Down button while receiving.
According to the program versions FND can be displayed as follows.
“
”or ”
”or ”
”or”
”
5-4
CHANGE THE CHANNEL
Enter into the menu mode by pressing menu button and press Up/Down button to
change the channels.
Whenever the channel is changed, a “beep” sound will be heard.
According to the option program source the channel menu will be changed.
UDM-240ZBH: use Up/Down button in the standby mode).
Main channel (PTT Button) : C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24
C25
Fixed channel (power button) : C26(fixed for transmit)
Summary of Contents for UDM-240ZBH
Page 1: ...UDM 240ZBH ZH Service Manual ...
Page 10: ...Maintenance Manual UDM 240ZH ZBH 10 OFF Power OFF ...
Page 15: ...Maintenance Manual UDM 240ZH ZBH 15 5 7 INSTALLATION FOR PC PROGRAM AND SETUP ...
Page 16: ...Maintenance Manual UDM 240ZH ZBH 16 ...
Page 17: ...Maintenance Manual UDM 240ZH ZBH 17 ...
Page 18: ...Maintenance Manual UDM 240ZH ZBH 18 ...
Page 19: ...Maintenance Manual UDM 240ZH ZBH 19 ...
Page 20: ...Maintenance Manual UDM 240ZH ZBH 20 ...
Page 21: ...Maintenance Manual UDM 240ZH ZBH 21 ...
Page 23: ...Maintenance Manual UDM 240ZH ZBH 23 6 DESCRIPTION FOR CIRCUIT ...
Page 26: ...Maintenance Manual UDM 240ZH ZBH 26 6 5 Power supply circuit 6 6 FND display Circuit ...
Page 27: ...Maintenance Manual UDM 240ZH ZBH 27 6 7 FND display Circuit 6 8 Battery charger circuit ...
Page 28: ...Maintenance Manual UDM 240ZH ZBH 28 6 9 Audio AmP 6 10 Ear Phone circuit ...
Page 29: ...Maintenance Manual UDM 240ZH ZBH 29 7 PCB MAP 7 1 TOP ...
Page 30: ...Maintenance Manual UDM 240ZH ZBH 30 7 2 BOTTOM ...
Page 31: ...Maintenance Manual UDM 240ZH ZBH 31 7 3 Circuit Diagram ...