User's Manual

Maintenance Manual

UDM-240ZV/ZBV

4.3 Audio Level

TX,RX AUDIO LEVEL SETTING

Level

change

While pressing the setup switch, turn the UDM-240ZV on and keep pressing the switch

for more than 3 seconds. Then, four LED(PWR,A,B,C) will be blinking once and current

level of LED will be on.

Select the level by pressing the setup switch and press it again for 3 seconds to save

the level you select. Then, the four LED will be blinking once again and the level will be

saved.