7
• Set it to
ALKALINE
before you con-
nect an external power source (vehi-
cle battery power or AC adapter) to
the
POWER
jack or while you are us-
ing internal batteries (alkaline or re-
chargeable).
• Set it to
NI
-
CD
only when you con-
nect a battery charger to the
POWER
jack to charge the installed recharge-
able batteries.
Warning: To avoid injuring yourself or
damaging the TRC-237, connect a bat-
tery charger to the
POWER
jack
only
when nickel-cadmium batteries are in-
stalled (see “Recharging Nickel-Cadmium
Batteries” on Page 10). Never try to re-
charge non-rechargeable batteries. They
could get very hot and explode.
Note: You can connect an external pow-
er source for power regardless of the type
of batteries you installed.
USING BATTERIES
You can power the TRC-237 from eight
AA alkaline batteries (such as Ra-
dioShack Cat. No. 23-552) with the two
supplied dummy batteries, or 10 re-
chargeable AA nickel-cadmium batteries
(such as Cat. No. 23-125).
21-1650.fm Page 7 Thursday, August 5, 1999 11:43 AM