Philips AJ3720 Owner's Manual page 7

Power breakdown
In the event of a power failure the set will be completely
switched off. Disconnect the set first and re-plug after 3
seconds or more. Most of the settings will remain in the
memory, but you will need to reset the clock time, date and year.
Connecting headphones / speakers
Connect headphones / speakers with a 3.5 mm jack into the
p jack.
™ The built-in speaker will now be muted.
Illumination brightness
Adjust the BRIGHTNESS CONTROL to change the brightness of
the display.
™ There are two settings: BRIGHT ™ DIM
Clock display
The time is displayed using the 12 hour clock with
indicators.
VOLUME
and
AM PM
INSTALLATION
7