Bird-technologies 4331 Instrukcja Użytkownika Pobierz pdf (Strona 46)

Cleaning

Problem Possible Cause Corrective Action

No meter indica-

tion

No RF power Check RF source

“Arrow” on Plug-in

element pointing in wrong

direction

Reposition element

No pick-up from dc

contact finger

Adjust per the Contact

Adjustment paragraph

Open or short circuit in dc

meter

Replace defective cable

(RG-58/U)

Meter burned out or

damaged

Replace or return

wattmeter to the factory

for meter replacement and

recalibration.

Intermittent or in-

consistent meter

readings

Sticky or defective meter Replace or return

wattmeter to the factory

for meter replacement and

recalibration

Dirty dc contact on

elements

Clean per cleaning

paragraph

Faulty transmission line or

antenna

Inspect line

High VSWR or

Reflected Power

Bad load or poor

connectors

Replace load, antenna or

connectors

Shorted or open

transmission line

Service or replace line

Foreign material in line

section or in RF connector

bodies

See Cleaning paragraph

Bird Model 43 Wattmeter

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