Keithley 2001, Руководство по ремонту

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Troubleshooting
2-8
test modes and the key scrolls backward.
Again, use the appropriate tables to determine the
bit pattern at the control registers.
7. When Þnished, press EXIT three times to back out
of the menu structure and return to the normal
measurement mode of operation.
8. If you wish to check another function/range, re-
peat steps 1 through 7.
Table 2-2
DIAGNOSTICS test modes (all functions except
Ω
4)
Test mode Selected function Selected range Bit pattern
designator*
Signal Phase DCV 200mV
2V, 200V
20V
1000V A
B
C
D
ACV, ACI and FREQ All E
DCI All F
Ω
2 20
Ω
, 200
Ω
2k
Ω
-200M
Ω
1G
Ω
G
H
I
TEMP RTD (open input) Ñ H
TEMP TC Ñ B
7V div by 1 * 1 All (except
Ω
4) All J
7V div by 1 * 1.5 All (except
Ω
4) All K
2V div by 1 * 5 All (except
Ω
4) All L
0V div by 1 * 1 All (except
Ω
4) All M
0V div by 1 * 5 All (except
Ω
4) All N
0V div by 1 * 50 All (except
Ω
4) All O
0V div by 1 * 1.5 All (except
Ω
4) All P
FE zero for 200mV All (except
Ω
4) All Q
FE zero for 2V All (except
Ω
4) All R
*Bit patterns are provided in Table 2-5.