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8
Installation
INSTALLING THE BACKUP BATTERY
The TAD requires AC power to operate. If AC power fails, or
you unplug the TAD, a 9-volt battery (not supplied) provides
backup power so the TAD can maintain the correct time and
memory information. For the best performance and longest life,
we recommend a RadioShack alkaline battery.
Caution:
Use only a fresh battery of the required size and rec-
ommended type.
Follow these steps to install the battery.
1. Use a flat-blade screwdriver to unlatch the battery compart-
ment cover, then lift off the cover.
2. Insert the battery pack into the battery compartment as
indicated by the polarity symbols (+ and –) marked inside.
3. Replace the cover and press down on the latch to secure it.
When
/R
/R/R
/R
and the two-digit number of calls in memory alternate-
ly flash on the display, replace the battery. When you replace
the battery, be sure the TAD is connected to AC power so you
do not lose any stored information.
Warning:
Dispose of old batteries promptly and properly. Do
not burn or bury them.
Caution:
Always remove old or weak batteries. Batteries can
leak chemicals that can destroy electronic parts.