Battery Backup - Ricatech PR220 User Manual

CLOCK BACKLIGHT
Press the ―SNOOZE/BACKLIGHT ON/OFF‖ button on the top of the unit to turn the clock
*
backlight ‗ON'.
Press this button again to turn the light ―OFF‖.
*
BATTERY BACK UP
The battery backup system to maintain your clock to keep working, during a power outage.
In the event of a power outage, the battery backup will keep you clock continue working(But at this time the alarm
clock don't working). To utilize the battery backup, you must install two AAA batteries. The battery backup will not
operate unless batteries are installed. To install batteries, follow the instructions below.
1 Remove the Battery Compartment cover from the back of the unit.
2 Install two new AAA batteries in the correct position as shown
inside the battery cover.
3 Reinstall the Battery Compartment cover.
NOTE:
Do not use different batteries
Do not mix old and new batteries
Troubleshooting
There is no Sound
* Make sure the DC Adaptor pin is fully inserted into the DC Jack on the back of the unit,and
properly connected to the AC power supply.
* Check if the unit has been switched on.
* Check if the volume has been turned up.
* Check that the Function Switch is set to the Radio/SD/USB position.
USB/SD - There is no music playing
* Check that there are MP3 songs stored on the MP3/USB Device/Flash Drive/SD Card.
* Check the MP3/USB Device/Flash Drive/SD Card is not larger than 4GB as the limit compatible with this unit
is 4GB max.
* Try re-setting the USB/SD by powering off and then on again.
* Check if the USB device/SD Card contains MP3 or WMA music files.
This unit does not play WMA format, only MP3 format.
The Alarm did not wake me up at the set time
* Make sure the unit is connected to the AC power supply.
* Check if the unit has been switched on.
* The Clock or Alarm will not work or keep its settings when the power is disconnected and the unit is not
switched on.
that the unit is