SEFRAM MW9520 Manuel D'utilisation page 44

(1) "+" Terminal
This is the positive terminal. Use the RED test
lead to connect.
(2) "COM" Terminal
This is the ground terminal. Use the Black test
lead to connect.
(3) Flashlight
(4) LCD
(5) ON/OFF Button
Press the ON/OFF button to turn on or turn off the
transmitter.
(6) Backlight and Mute Button
Press it to turn on or turn off the LCD Backlight.
Press and hold it for more than 1 second to switch
on or switch off the mute function.
(7) Flashlight Button
Press it to turn on or turn off the LED lights.
(8) TEST/STOP Button
Press it to send a transmission signal or stop
sending the transmission signal.
(9) LEVEL Button
Press it to enter into the level selection mode,
the "LEVEL" symbol will be flashing on the LCD.
There are 3 levels to select.
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