Maintenance, 1 safety, 2 cleaning – Boonton 4240 RF Power Meter User Manual
Page 121: 3 inspection, 4 firmware upgrade, Maintenance -1, 1 safety -1, 2 cleaning -1, 3 inspection -1, 4 firmware upgrade -1

Boonton 4240 Series RF Power Meter
7. Maintenance
Th
.1 Safety
A
al safety standards,
general safety precautions must be observed during all phases of operation and maintenance.
F
t of this
manual could result in serious injury or
h. Service and adjustments should be performed only
by qualified service personnel.
.2 Cleaning
Painted surfaces can be cleaned with a commercial spray-type window cleaner or a mild detergent
and
water
solution.
CAUTION
Avoid using chemical cleaning agents which can damage painted or plastic surfaces.
.3 Inspection
If a 4240 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. If the malfunction persists of the instrument fails the performance verification, contact
Boonton Electronics for service.
.4 Firmware Upgrade
Operating Firmware has been loaded into the 4240 Series instrument at the factory. The Firmware
will be updated from time to time to correct errors and add new features. Users can upgrade their
firmware by downloading a special Firmware Upgrade file from the Boonton Electronics
webpage, www.boonton.com.
is section presents procedures for maintaining the 4240 Series.
7
lthough the 4240 Series has been designed in accordance with internation
ailure to comply with the precautions listed in the Safety Summary located in the fron
deat
7
7
7
Maintenance
7-1