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Appendix C: Inspection and Cleaning
Inspection — Exterior
Table C-1: External inspection check list
Item
Cabinet, front panel, and cover
Front–panel knobs
Connectors
Carrying handle and cabinet feet
Accessories
AWG710&AWG710B Arbitrary Waveform Generator User Manual
Inspect and clean the instrument as often as operating conditions require. The
collection of dirt can cause instrument overheating and breakdown. Dirt acts as an
insulating blanket, preventing efficient heat dissipation. Dirt also provides an
electrical conduction path that can cause an instrument failure, especially under
high–humidity conditions.
To prevent damage avoid the use of chemical cleaning agents that might
CAUTION.
damage the plastics used in this instrument. Use only deionized water when
cleaning the menu buttons or front–panel buttons. Use a ethyl alcohol solution as
a cleaner and rinse with deionized water.
Avoid the use of high pressure compressed air when cleaning dust from the interior
of this instrument. (High pressure air can cause ESD.) Instead, use low pressure
compressed air (about 9 psi).
Using Table C-1 as a guide, inspect the outside of the instrument for damage, wear,
and missing parts. You should thoroughly check instruments that appear to have
been dropped or otherwise abused to verify correct operation and performance.
Immediately repair defects that could cause personal injury or lead to further
damage to the instrument.
Inspect for
Cracks, scratches, deformations, damaged
hardware or gaskets
Missing, damaged, or loose knobs
Broken shells, cracked insulation, and deformed
contacts. Dirt in connectors
Correct operation
Missing items or parts of items, bent pins,
broken or frayed cables, and damaged
connectors
Repair action
Replace defective module
Repair or replace missing or defective knobs
Replace defective modules; clear or wash out
dirt
Replace defective module
Replace damaged or missing items, frayed
cables, and defective modules
C-1
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