Boonton 4540 Peak Power Meter User Manual - Manual (Page 255)

Boonton 4540 Series RF Power Meter
Appendix A 7-1
7. Maintenance
This section presents procedures for maintaining the 4540 Series.
7.1 Safety
Although the 4540 Series has been designed in accordance with international safety standards,
general safety precautions must be observed during all phases of operation and maintenance.
Failure to comply with the precautions listed in the Safety Summary located in the front of this
manual could result in serious injury or death. Service and adjustments should be performed only
by qualified service personnel.
7.2 Cleaning
Painted surfaces can be cleaned with a commercial spray-type window cleaner or a mild detergent
and water solution.
CAUTION
When cleaning the instrument, do not allow cleaning fluid to enter the fan intake and exhaust
vents. Avoid using chemical cleaning agents which can damage painted or plastic surfaces.
7.3 Inspection
If a 4540 Series instrument malfunctions, perform a visual inspection of the instrument. Inspect
for signs of damage caused by excessive shock, vibration or overheating. Inspect for broken
wires, loose electrical connections, or accumulations of dust or other foreign matter.
Correct any problems you discover and conduct a performance test to verify that the instrument is
operational. (See section 7.5 Performance Verification). If the malfunction persists of the
instrument fails the performance verification, contact Boonton Electronics for service.
7.4 Lithium Batteries
The 4540 Series contains a socketed BR2325 coin cell Lithium battery to provide non-volatile
storage of start-up information. It has a typical life of 5-10 years. Optionally, some models
contain a separately socketed Alkaline coin cell battery for the same purpose. Both sockets are
located on the top right side of the Input Printed Circuit Board assembly.
When replacement is necessary, dispose of the depleted battery in strict compliance with local
environmental regulations.