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4
PREPARATION
CONNECTING POWER
You can power your CTR-94 from
any of these power sources:
• Internal batteries
• Standard AC power (with an
optional AC adapter)
• Vehicle battery power (with an
optional DC auto adapter)
Note:
Connecting an adapter discon-
nects the internal batteries.
Using Internal Batteries
You can power your CTR-94 from
four C batteries (not supplied). For
the best performance, we recom-
mend alkaline batteries, such as Cat.
No. 23-551.
1. Press down on the battery com-
partment cover’s grooves and
slide it off in the direction of the
arrow.
2. Remove the old batteries (if nec-
essary).
Cautions:
• Always dispose of old batter-
ies promptly and properly.
• Never leave dead, old, or
weak batteries in the CTR-94.
Batteries can leak chemicals
and corrode or damage elec-
tronic circuits.
• If you do not plan to use bat-
teries in the CTR-94 for a
month or more, remove the
batteries to protect the CTR-
94 from possible battery leak-
age.
3. Install the batteries as indicated
by the polarity symbols (+ and –)
marked inside the battery com-
partment.
Cautions:
• Use only fresh batteries of the
required size and type.
• Never mix fresh and old bat-
teries, or different battery
types.
4. Replace the cover.
14-1107.fm Page 4 Thursday, July 1, 1999 11:15 AM