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Autek Research WM-1 SWR User Manual

Autek Research WM-1 SWR
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I
INSTRUCTIONS
WM1
SWR/WATT
METER
PRICE•
$2.00
A.
POWER
8 .
Rl'
HOOKUP
C,
OPERATtOI'I
D.
CALIBRAT10N
CONTF,NTS
•
E.
OPERATING
CAUTIONS
1'.
IN
CASE
OF
TROUBLE
3
...
G.
THEORY
-of"
OPERATION
11
.
TYPICAL
i'ERFORMANCE
CHARACTERISTICS
I .
',o/ARRANTY
J,
SERVICE
AND
RETUIUIS
K.
LATE
I'IOTES
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Autek Research WM-1 SWR Specifications

General IconGeneral
BrandAutek Research
ModelWM-1 SWR
CategoryMeasuring Instruments
LanguageEnglish

Summary

Power

RF Hookup

Operation

Calibration

Zero Meters

Mechanically zero both meters using front-panel screws.

SWR Trimmer Adjustment

Adjust remote head trimmer for 1:1 SWR with 50-ohm load.

Reflected Power Trimmer

Reverse connections, touch up trimmer for lowest reflected power reading.

Infinity SWR Adjustment

Adjust SWR trimpot for infinity reading with no load.

Power Calibration

Adjust PWR trimpot to match reference meter with 50-ohm load.

Operating Cautions

In Case of Trouble

Meter Damaged

Report damage to shipper, Autek will ship replacement.

Meter Dead or Low Reading

Check power source, voltage, AC adaptor, and RF head components.

High SWR/Power Readings

Check input/output reversal, arcing, or RFI.

Erratic Readings

Check for RF in cables, ground loops, or direct RF pickup.

Meter Sticking

Check voltage, or dislodge obstruction in meter movement.

Other Problems

Refer to ongoing "late notes" for common issues and tips.

Theory of Operation

Typical Performance

Warranty

Service and Returns

Late Notes