EN.5
Remark : during the sleep counting process, the LCD is illuminated by a dim backlight.
TO USE LCD BACKLIGHT
At normal time-alarm time display mode, press
once to light up the LCD for 5 seconds.
TROUBLE SHOOTING
If your clock displays irrelevant time or does not function properly, which maybe caused by electro-
static discharge or other interference. Take out the 2 x AAA batteries from the battery compartment
and reinstall them again. Your unit will be reset to default settings and you need to set it again.
Precautions
• This main unit is intended to be used only indoors.
• Do not subject the unit to excessive force or shock.
• Do not expose the unit to extreme temperatures, direct sunlight, dust or humidity.
• Do not immerse in water.
• Avoid contact with any corrosive materials.
• Do not dispose this unit in a fire as it may explode.
• Do not open the inner back case or tamper with any components of this unit.
Batteries safety warnings
• Use only alkaline batteries, not rechargeable batteries.
• Install batteries correctly by matching the polarities (+/-).
• Always replace a complete set of batteries.
• Never mix used and new batteries.
• Remove exhausted batteries immediately.
• Remove batteries when not in use.
• Do not recharge and do not dispose of batteries in fire as the batteries may explode.
• Ensure batteries are stored away from metal objects as contact may cause a short circuit.
• Avoid exposing batteries to extreme temperature or humidity or direct sunlight.
• Keep all batteries out of reach from children. They are a choking hazard.