How To Change Frequencies; Troubleshooting - Carson X-18 Serie Manual De Instrucciones

k. How to Change Frequencies
Transmitter
A rapid change of frequencies is possible simply by unplugging an
interchangeable plug in crystal on the back of the transmitter and
then plugging in ano-
ther one of a different
GB
frequency.
Crystals for both the
transmitter and receiver
must be matched with
each other.
Make sure that the crystal
is fully inserted in the
transmitter and receiver,
not partially.
l. Troubleshooting
Problem
Model doesn't move
Loss of control
Model doesn´t run straight
Model doesn´t stop
Model doesn´t reverse
Model is running too slowly
32 CARSON X-18 50 040 40 25 + 50 040 40 26
Transmitter crystal
Cause
Transmitter or chassis power switch is not "ON"
Polarity or battery type is wrong
Batteries have run down
Batteries have run down
Antenna is missing or not attached properly
R/C model using same band (frequency) is nearby
Steering trim is not adjusted correctly
Front and rear wheel nuts are too lose
Throttle trim is not adjusted correctly
Throttle trim is not adjusted correctly
Batteries have run down
Motor has lost power
Dust or foreign objects are inside gears
(Only for 27/40 MHz version)
Receiver
Plug in an interchangeable crystal into the receiver for a rapid change
of frequencies.
Receiver crystal
Correction
Switch power of sender and receiver on
Check polarity and type of the batteries
Change batteries or charge them
Change batteries or charge them
Attach receiver antenna and/or fix the transmitter
antenna
Run model in different area or change crystal
Make adjustment
Tighten wheel nuts
Make adjustment
Make adjustment
Change batteries or charge them
Change to spare motor
Turn the power switch "OFF" and clean out gears