MGP WRM2 Specifikace stáhnout pdf (Strana 51)

TelePole WR/ Operating & Maintenance Manual Page 51

Appendix 1

Upgrading TelePole Instruments from High Range and Low Range

to Wide Range

1. WR Detector

• Replacing the detector with a new wide range detector.

• Pull gently the detector about two cm out with one hand. Hold the detector cable with the

other hand and continue drawing the detector tube out until the connector is visible. Press

the connector plastic clip to disconnect the cable from the detector. Hold the cable end

with a clip to prevent its entering back into the detector tube.

2. Power Supply Board - PC #1945

• Loosen the four screws adjusting the PC board.

• Disconnect all the flat cables.

• Remove the PC board.

• Short J2/2 (on the print side) to J3/3 (on the component side) with the supplied wire as

depicted in the drawing below.

• Place back the PC board, tighten with the four screws.

• Reconnect the flat cables.

3. Memory Extension Card - PC #1944 Ver. 2.0 or 2.1 and

CPU Board - PC #1942 Ver. 2.0 or 2.1)

• Insert EPROM 27C512 on U1.

• Short pins 1 and 2 (instead of pins 2 and 3) on E3.

4. CPU Board - PC #1942 Ver. 1.0

• Replace the memory extension card with a modified one.

5. Set the five new calibration factors values according to the calibration certificate.

flat cable

1945 PS

C18

C19

1945 CS

Ver. 1.0

flat cable

1945 PS

TP3

TP2

TP1

1945 CS

Ver. 2.0

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MGP WRM2 Specifikace Strana 51