Fluke 943-227-15 User Manual
Page 18
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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
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