Curtis RT110 - Manual (Page 6)

P.9
3-WAY POWER SUPPLY
CAUTION:
1. Be sure to observe polarity as indicated in the battery
compartment. Improper placement of batteries may damage
the unit.
2. Replace all batteries at the same time.
3. Replace with equivalent type batteries of standard carbon zinc
or alkaline types. Do not mix batteries of different compostion
or old with new batteries.
4. Do not mix alkaline or standard (carbon zinc) with rechargeable
(nickel cadmium) batteries.
5. To prevent damage, do not allow moisture to enter the battery
compartment.
6. If the unit will not be used for an extended period of time,
make sure the unit is unplugged from the AC power supply
and/or remove the batteries. Old batteries may leak causing
corrosion to internal components.
Note:
1. When the battery power is low, the picture will shrink. Replace
the batteries with fresh ones or use an alternate source of
power.
2. The DC plug from the car cord or the AC adaptor must be
removed from the DC socket to operate the receiver using
battery power.
3. Dry battery operating time and efficiency decreases at low
temperatures (usually below +41'F/5' C).
4. Always turn off the unit and ' Mosquito Repeller ' to save
battery life.
To Recharge Ni-Cad Batteries (Not Included)
1. Slide Power Source Selector to the 'CHARGE' position.
2. Connect the DC plug coming out of the AC adaptor (included
with this set) into the DC 12V socket in the receiver and then
plug the AC adaptor into the wall outlet.
3. Charge the batteries for about 15-20 hours before use.
P.8
POWER SUPPLY
Car Battery Operation Using the Car Cord
Plug one end of the DC car cord into the DC 12V Power Input Jack
of the receiver and the other end into the cigarette lighter of your
vehicle. Battery power will automatically cut off.
CAUTION:
Do not plug the AC cord directly into the unit as this is dangerous and will
burn the unit. The AC cord should always plug into the AC adapter with
the other end DC 12V jack into the unit (See diagram)
NOTE : This receiver is designed to operate on 12V DC.
Power Source Selector must be set to 'EXT.' position.
CAUTION:
1. Remove plug from cigarette lighter receptacle when the
receiver is not in use
2. To prevent electrical shock and possible damage to your unit
or vehicle, always unplug the car cord from the cigarette lighter
socket BEFORE you remove the plug from the DC 12V Jack
of the receiver.
Internal Battery Operation
1. Open the battery cover on the bottom of the unit.
2. Insert 12 pcs "D" size dry batteries (not included). Be sure
negative and positive terminals are positioned as indicated
in battery compartment.
3. Replace the cover.
4. Slide Power Source Selector to the position 'BATT'.
Unserew the cap to
replace the fuse.
(replace only with
same type fuse
3A 125/250V)
Fuse 3A, Screw cap
To DC socket
Replacing Fuse
Ground Only the
Cigarette Lighter
Socket of Car
DC car cord
(12V DC) Neg.
CORRECT WRONG
IMPORTANT:
1. Only use the AC adaptor included with this unit. An incorrect
AC adaptor may damage your unit and the batteries.
2. Charge only Ni-Cad batteries. Do not charge Carbon zinc or
Alkaline batteries.
3. Do not overcharge as this will shorten the service life of the
Ni-Cad batteries.
4. Before use, be sure that the Ni-Cad batteries have been fully
charged.
AC adaptor
DC 12V Jack