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Model P703B Operating Instructions

Use LA704B Line Adaptor to power unit from line voltage without batteries installed or
to charge NiCad batteries.

CAUTION:  DO NOT ATTEMPT TO RECHARGE ALKALINES WITH THE LA704B.
Alkaline batteries may EXPLODE or leak corrosive fluids.

Test for Proper Operation

To check the Model P703B for proper
operation:

Use a digital multimeter to verify that the
proper voltage and current are available at
the transducer connector.

Substitute an Oscillator for the transducer.

Follow the connection to the power unit as
shown at right.

The unit should have unity gain.

—FOR TECHNICAL ASSISTANCE—

Please contact your Applications Engineer at Wilcoxon Research, Inc.

1-800-WILCOXON  •  301-330-8811  •  Fax 301-330-8873

Product Features and Connections

1.

To test batteries, press switch to RIGHT
(momentary) position;  LED should light.

2.

OFF position is with switch in center.

3.

To turn unit ON, press to LEFT.

OUTPUT

x 1

x 10

x 100

x 1K

x 10K

OSCILLATOR

OSCILLATOR

4.3K

1

2

9

3

8

4

7

5

6

100

µ

F

35V

To transducer
connector of
channel under
test.

POWER UNIT

MODEL P703B

TRANSDUCER

LINE

ON

1

2

3

TEST

OFF

OUTPUT

GAITHERSBURG, MARYLAND

Made in the USA

READOUT
EQUIPMENT

OUTPUT

CONNECTOR

OUTPUT CABLE

TEST INDICATOR

LINE ADAPTOR JACK

ON—OFF—TEST SWITCH

TRANSDUCER

CONNECTOR

FRONT PANEL SCREWS

Remove to change

batteries.

TRANSDUCER

CABLE

TRANSDUCER

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