User's Manual

Maintenance Manual
UDM-240ZV/ZBV
11
4 HOW TO SET FOR OPERATION
4.1 Power ON/OFF
Turn the device on by the power switch.
4.2 Operating channel
Press the setup switch for more than 3 seconds and select the channel according to
the below table. After select the channel, if you press the setup switch for 3 seconds
again, all the LED will be blinking once and the selected channel will be confirmed.