General Information
This service manual describes the maintenance and inspection procedures for the
FF50.
Prior to the installation, users are requested to read this manual well and
familiarize with its contents so that an optimum function may be derived from the
FF50.
Note that the grounding work is indispensable to prevent electric shock hazards
as well as to ensure the intended function of the set. Don't try to ignore the
grounding work.
For the operation of the set, refer to the Instruction Manual.
1