Maintenance And Inspection - JRC JSS-296 Instruction Manual

4. MAINTENANCE AND INSPECTION

ATTENTION
This chapter describes about the JSS-296 Radio Equipment as a whole. So if further information
is required, s
ee the specialized instruction manuals such as the JSB-196GM Radiotelephone or NCT-196N
DSC/NBDP MODEM.
The performance and longevity of this equipment depend on careful maintenance. To maintain the best
performance, the following periodic inspections are highly recommended.
(1) Keep the power supply voltage within the specified value.
(2) Know the condition of normal status when the equipment is properly functioning. Keep comparing the
current status to the normal status to immediately detect any malfunctions.
If you remove a unit, be sure to store it in a non-conductive bag. If you wrap
It up with materials such as aluminum foil, the back-up power supply may S
hort circuit and the ICs may be damaged.
There are no user-serviceable parts inside this equipment. Inspection or
maintenance by unauthorized persons may result in fire or electric shock.
For inspection and maintenance, contact JRC or its authorized agents.
Do not turn the trimmer resistors or trimmer capacitors on the PCB unit (they are preset
at the factory). Doing so may cause failure or malfunction.
Leave installation of this equipment to JRC or our agents. Installation by an
unauthorized person may lead to malfunction.
WARNING
CAUTION
4-1