Steren RN-KID Instruction Manual page 43

Master power off
This function is used to turn off both TV and the decoder at the same time.
When this feature is not enabled, in order to turn off the TV you must press the "TV"
button and then the on/off button. To turn the decoder you must press the "CBL" button
and then the on/off button.
To avoid this and turn off both devices at the same time just by pressing the on/off
button, enable the master power off by following these steps:
TV
20
0
CBL
1. Press the "CBL" button.
2. Press the on/off button and "Mute" at the same
time for 3 seconds, until the LED lights on.
3. Enter the 9993code; the LED will blink twice
indicating you have successfully activated the
Master power off.