How To Change Frequencies - Carson SUPER ATTACK Mode D'emploi

e. How to change frequencies
GB
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 another one of a different
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.
Crystal
12 CARSON SUPER ATTACK 304010
Receiver
Plug in an interchangeable crystal into the receiver for a rapid
change of frequencies.