Hitachi ZW140-6 Operator's Manual page 51

 Do not attempt to disassemble, repair, modify or displace
the communication terminal, antennas or cables. Failure to
do so may result in damage and/or fire to the base machine
or to the communication terminal. (Before removing
or installing the communication terminal, consult your
authorized dealer.)
 Do not pinch or forcibly pull cables, cords or connectors.
Failure to do so may cause damage or fire on the machine
and the communication terminal due to short/broken
circuit.
SAFETY
S-39