GE JES2051 Owner's Manual page 26

About the other features.
26
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,
LOCKED will appear in the display.
Sound Level
The beeper sound level can be adjusted. Press Beeper
Volume. 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 On/Off.
Enter time you want to count down.
Press Timer On/Off to start.
When time is up, the oven will signal. To turn off the timer
signal, press Timer On/Off.
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
about 3 seconds. The Display On/Off feature cannot be
used while a cooking feature is in use.
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