Fluke 943-227-15 用户手册

943-227-15 Digital Preamplifier
Operator Manual

2-6

Table 2-8. Jumper Positions for Preamplifier Serial Interface Board 977-210-10M

Jumper Normal

Setting

Function Alternate

Setting

Function

JMP1

A to B

Enables

Victoreen Loop

(normal)

B to C

Enables RS232C

JMP2

N/A

Deleted, Not Used

N/A

Deleted, Not Used

Table 2-9. Jumper Positions for Preamplifier Electrometer Board 977-200-15M

Jumper Normal

Setting

Function Cal.

Position

Function

JMP1

A to B

Normal Operation

B to C

PGA Offset Adjust *

* Programmable Gain Amplifier requires a special test PROM and is a factory adjustment