4). Microphone Volume Setting
Press【】，the MIC icon starts flashing, press【▼】to reduce the volume and press【▲】to increase.
5) Line-in Volume Setting
Press【 】, the “LINE” icon starts flashing, press【▼】to reduce the volume and press【▲】to
increase.
6) Frequency Setting
Press【】， The “MHz” icon starts flashing, press【▼】to turn down frequency, and press【▲】to
turn up.
7) RF Power Setting
Press【】， the“ ” icon starts flashing, press【▼】to reduce the broadcasting power and press
【▲】to increase.
8) Button lock/unlock function
A. Under normal working status, press and hold【▼】, the screen will show【 】which means
the other buttons are all locked.
B. Under button locking status, press and hold【▼】, the screen will show【 】which means the
buttons are unlocked.
9) Stereo/Mono adjustable
Under normal working status, press and hold【▲】to shift between stereo/mono, when the screen
shows【 】,it means the current sound mode is Stereo. When the screen doesn’t show
【 】,it means the current sound mode is Mono.
10) Battery charging
（1）Connect the battery charger(DC5V) with transmitter via the USB line, the icon 【 】starts
flashing, the battery begins charging.
（2）When battery is full after charge, the【 】icon will stop flashing. Usually it’s about 5hours to
charge battery full.
11) Reminder: Battery charging can be done no matter the transmitter is ON or OFF. Please
kindly note the following items:
A、When the icon 【 】shows empty, it means battery is low and needs to charge as soon as
possible.
B、When charging battery as transmitter is ON, the transmitting power will be automatically
shifted to the minimum level, this is a normal phenomenon.
C、When charging battery as transmitter is OFF, there is nothing showing on the screen.
D、When the transmitter is vacant for a long time, please take the battery out and put it in cool and
dry environment.
5. Main Specifications:
