Backup Battery Mode
Under normal use, the unit should be powered through the AC adapter. If the AC adapter is disconnected, the unit will automatically switch to Backup Battery mode.
Under Backup Battery mode:
•The unit displays the same as under the Standby mode, with backlight off.
•Only the functions below are available:
•Clock
•Alarm
Note
•• Alarm source is defaulted to ‘Buzzer’ under Backup Battery mode.
When AC Power is plugged back, the unit will exit Backup Battery mode and go to Standby mode.
Note
•• Under Backup Battery mode, the unit can work over 3 months.
•• When the battery power is low, the display panel will indicate “bAtt Lo” until the batteries are empty and the unit will switch off automatically. In this case, please replace the batteries in the backup battery compartment with 2 pieces of new 1.5V, AAA/R03/UM4 batteries.
Install backup batteries
Caution
•• Risk of explosion! Keep batteries away from heat, sunshine or fire. Never discard batteries in fire.
•• Risk of product damage! When the apparatus is not used for long periods, remove the battery.
1 Open the battery compartment on the back of the unit.
2 Insert 2 x 1.5V
3 Close the battery compartment.
Note
•• Batteries contain chemical substances, so they should be disposed of properly.
Set the sleep timer
Note
•• Make sure the time/date is set correctly before setting the sleep timer.
This unit can switch to standby automatically after a set period of time.
1 Press SLEEP repeatedly to select a set period of time (in minutes).
»» The sleep timer is activated »» The display shows 
»» The volume starts to decrease gradually from the last 5 minutes of sleep timer
»» The unit switches to standby when reaches the set time.
To deactivate sleep timer
1 Press SLEEP repeatedly until [OFF] displays.
»» 
disappears on the display.
Adjust display brightness
1 Press BRIGHTNESS/REP ALM repeatedly to select different levels of display brightness.
14EN