JRC JHS-800S, Instruction Manual, Page: 121 / 156

Maintenance & Inspection
6-1
6. MAINTENANCE & INSPECTION
The performance and lifetime of the equipment depend on the appropriate maintenance.
This chapter describes the maintenance and inspection, self diagnosis, and outline of
adjustment.
6.1 General maintenance & inspection
In order to operate the equipment under optimum conditions, it is vital to perform regular
inspections and also, to keep accurate records. Inspections enable problems to be identified before
they become major malfunctions.
The following inspections should be made regularly.
Inspection
sequence
Inspection items Procedure
1 Antenna system Check that antennas and the connectors are secure.
2 Squelch operation
Turn the SQL control on the device with access right
fully counterclockwise. Check for noise from the
speaker.
Check that the noise is suppressed by turning the SQL
control clockwise.
3
Receiver condition
checked by speaker
output.
Check that the voice level and noise level are not
abnormally loud or soft.
4 Handset PTT switch
Press PTT and check that the TX mark is displayed on
the screen and the unit transmits immediately.
5
Transmission and
reception checked by
performing radio
communication.
Check that normal conversation is possible.