GE JES1656SJ Owner's Manual page 28

About the other features.
28
Child Lock-Out
You may lock the control panel to prevent the
microwave from being accidentally started or used
by children.
To lock or unlock the controls, press and hold
CLEAR/OFF for about three seconds. When the
control panel is locked, an L will be displayed
to the extreme right.
Sound Level
The beeper sound level can be adjusted. Press SOUND.
Choose 0–3 for mute to loud.
Timer On/Off
Timer On/Off operates as a minute timer and can be
used at any time, even when the oven is operating.
Press TIMER.
1
Enter time you want to count down.
2
Press TIMER to start.
3
When time is up, the oven will signal. To turn off the
timer signal, press TIMER.
NOTE: The timer indicator will be lit while the timer is
operating.
Display On/Off
To turn the clock display on or off, press and hold 0
for about 3 seconds. The Display On/Off feature cannot
be used while a cooking feature is in use.