recommended for the longest backup time.
When replacing the battery, do not disconnect the AC power adapter otherwise
the current time, alarm, and station presets will be erased.
When to replace the battery
The red LED of battery indicator will light up when there are no batteries or when the
batteries are low.
1. Warning – Danger of explosion if batteries are incorrectly replaced. Replace only with the same or
equivalent type.
2. Use only the size and type of batteries specified.
3 .Be sure to follow the correct polarity when installing the batteries as indicated in the Battery
Compartment. A reversed battery may cause damage to the device.
4. If the device is not to be used for a long period of time, remove the batteries to prevent damage or
injury from possible battery leakage.
5. Do not try to recharge a battery not intended to be recharged - it can overheat and rupture (Follow
battery manufacturer’s directions.)
6. Do not mix different types of batteries together (e.g. Alkaline, Rechargeable and Carbon-zinc) or old
batteries with fresh ones.
battery precautions:
Follow these precautions when using batteries in this device: