Keithley 2001 - Page 21

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
Ω220Ω, 200Ω
2kΩ-200MΩ
1GΩ
G
H
I
TEMP RTD (open input) Ñ H
TEMP TC Ñ B
7V div by 1 * 1 All (except Ω4) All J
7V div by 1 * 1.5 All (except Ω4) All K
2V div by 1 * 5 All (except Ω4) All L
0V div by 1 * 1 All (except Ω4) All M
0V div by 1 * 5 All (except Ω4) All N
0V div by 1 * 50 All (except Ω4) All O
0V div by 1 * 1.5 All (except Ω4) All P
FE zero for 200mV All (except Ω4) All Q
FE zero for 2V All (except Ω4) All R
*Bit patterns are provided in Table 2-5.