Sec. 95.645  Control accessibility.

    (a) No control, switch or other type of adjustment which, when 
manipulated, can result in a violation of the rules shall be accessible 
from the transmitter operating panel or from exterior of the transmitter 
enclosure.
    (b) An R/C transmitter which incorporates plug-in frequency 
determining modules which are changed by the user must be type accepted 
with the modules. Each module must contain all of the frequency 
determining circuitry including the oscillator. Plug-in crystals

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are not considered modules and must not be accessible to the user.
[ 53 FR 36789 , Sept. 22, 1988. Redesignated at  61 FR 28769 , June 6, 1996, 
and further redesignated at  61 FR 46567 , Sept. 4, 1996]