Retekess TT125 Instructions page 8

Mute Function off
Press the " " button in the mute state, the mute function
will be turned off, and then the receiver can normally
receive
the voice signal from the transmitter.
One-key pairing
In the unlocked state, long press the "M" key to enter the
code pairing mode, the channel display will flash slowly,
and at this time it can be paired with the receiver; short
press the "M" key to exit the code pairing mode;
Receiver
Unlock
Turn the toggle switch to "ON"Gear, the product is
unlocked, and all buttons can operate normally.
Lock
Turn the toggle switch to the "LOCK" gear, the product is in
the locked state; or the product is in the state of no one
operation, after 30s, the button will be automatically locked,
and the product will enter the locked state. In this state, the
VOL+/VOL- function is not locked.
Channel regulation
In the unlocked state, short press the "CH+" or "CH-" button
to change the channel. Long press the "CH+" or "CH-"
button to quickly increase/decrease the channel in the form
of tens.
Volume adjustment
By pressing "VOL +" Or "VOL-" key for volume
adjustment,there are a total of ten volume levels and the
gear range spans from 0-9. (every time the device is turned
on, the volume defaults to 4 levels).
Automatic shutdown
The device will automatically shut down after 10min if no
signal is detected.
Automatic search and pair connection
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