User's Guide

U3 USER GUIDE
16
2.2.2 Turning Off
1. To turn off radio, simply rotate the power/ volume knob
counterclockwise until a click sound is heard.
2. LED and screen will both be off when U3 is turned off.
2.3 ADJUSTING THE SPEAKER VOLUME
2.3.1 Adjusting Volume
1. Slowly rotate the power/ volume knob clockwise to increase
volume. You can rotate power/ volume knob
counterclockwise to lower the volume.
Note: Turning the knob counterclockwise until a click is heard
will turn off the radio.
2.4 SELECTING CHANNELS
In 2 way radio operation, users must select a channel for
transmitting or receiving voice or data messages. U3 radio
provides you up to 256 channels and these channels can be
programmed to a user member or a group via U3 Codeplug
Programming Software, CPS.
2.4.1 Using The Channel Selector Knob
1. Rotate the channel selector knob clockwise to next channel.
2. Rotate the channel selector knob counter wise to previous channel.
3. When different channel is selected, the channel information will be shown on the screen.
2.5 STANDBY AND MAIN MENU FUNCTION
2.5.1 Standby Function
U3 provides you the most common used features on the
standby display. It will save you time to start or select the
functions. You can use:
1. Left soft Button: To enter Today function.
2. Menu & Enter: To enter Menu.
3. Right soft Button: To enter Contacts function.
Increase
Volume
Decrease
Volume
Switch to
Next Channel
Switch to
Previous Channel