User's Manual

Settings
Press the button, the screen will prompt “Press Return Key into menu”. Then press the
button to enter the menu. Select the following settings by pressing and buttons.
Includes Channel Setting, Background Sound Level, Noise Suppression Level, MIC Return, TALLY
Setting, two wire setting, Language Setting, Preload configuration, etc. Press button to
enter a setting. Press button to return to the previous menu after setting. Press button
again to exit menu.
Channel Setting
Enter the menu and choose “Channel Setting”. Then press “Confirm” button to enter the setting.
Choose channel by pressing “Up” and “Down” button. Press “Exit” button to return to the
previous menu after setting.
It is advised to set a big channel spacing (30 channels or more) if two or more channels are used
for different teams at same place.
Background Sound Level
Enter the menu and choose “Background Sound Level”. Then press “Confirm” button to enter the
setting. Choose suitable level by pressing “Up” and “Down” button. There are 3 levels, namely 0,
1, 2. Select the suitable level according to the background noise level. Press “Exit” button to
return to the previous menu after setting.
The factory default setting is level 1, which is suitable for most situation.
Level 0 is suitable for a silent situation, just speak with a low voice.
Level 1 is suitable for most situation, you should speak with a loud voice. (Factory default setting)
Level 2 is suitable for a noisy situation, you should speak with a roar.
(Note: No need to change the setting in general. The voice may be intermittent if the level is too
high in a relatively quiet situation)