Sony ICF-C120 - Manual (Page 4)

Location and Function of Controls
Power Backup during Power
Interruption
Troubleshooting Guide
Be sure to install an optional 6F22 battery for the power
backup function. If the AC power supply is interrupted, the
battery supplies power to keep the clock operating and holding
the alarin time setting.
'
• During power interruption, the clock function is maintained
although illumination of the indicator goes off, but the alarm
sound does not come on.
• After a power interruption, the time shown in the display
window may not be always correct (it may gain or lose about
six minutes per hour).
• This battery is only for clock operation and alarm memory
during power interruption. You cannot listen to the radio with
the battery.
Should any problem occur with the unit, make the following
simple checks determine whether or not seiyicing is required.
If the problem persists after you have made these checks,
consult the nearest Sony dealer for further information.
The clock does not
show the current time.
The alarm does not turn
I on at the preset time.
' There has been an electrical
power interruption. (Is the
figure of the time display
flickering?)
• Is the current time correctly
set on the time display?
' Is the alarm time correctly
set?
> Is the AM/PM indication
correctly set?
> Is the function selector switch
correctly set to ALARM
RADIO or BUZZER?
• Is the desired station tuned
in?
»Is the VOLUME control
adjusted for the radio alarm?
When to replace the battery
To check the battery condition, unplug the AC power cord
from the wall outlet and plug it in again after a few seconds. If
the time on the display is different from what it was before
you unplugged the AC power cord, replace the battery with a
new one.
Concerning the battery life, see “Specifications”.
Caution
• Be sure to install the battery before disconnecting the AC
power cord.
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