Telewave, Inc.
Model 44L1/L1P
Page 13
6
MAINTENANCE
6.01
The Model 44L1/L1P Wattmeter is designed with high reliability
components and operates on low DC power levels. It can be expect
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ed to operate at peak performance for long intervals. Periodic cali
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bration by Telewave or an RF standard laboratory is recommended
to maintain peak instrument performance.
Warranty Service
6.02
The Model 44L1/L1P Wattmeter is covered under Telewave’s stan
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dard 1 year warranty. See the inside back cover for exact terms.
Faulty units should be returned to:
Telewave, Inc.
ATTN: Repairs
660 Giguere Court
San Jose, CA 95133
1-800-331-3396 / +1 408-929-4400
6.03
A Return Material Authorization (RMA) is required when prod
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ucts are returned to Telewave. The following information will be
requested in order to assign an RMA:
• The Model 44L1/L1P serial number. The ID plate is located
on the top of the instrument. Include the date of purchase and
Purchase Order number if known.
• A brief statement of the problem.
• Contact name, telephone number, and return shipping address.
Calibration
6.04
Adjustments to the instrument should be performed by Telewave,
or other RF calibration laboratory. Calibration or adjustment should
be made at a frequency of 100 MHz when possible. The adjustment
potentiometers are located on the main PC board inside the instru
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ment. Refer to Figure 3-1 and 6-1.
