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4.3 Zero-Adjust Function
• Zero adjustment should be executed in each range to be used.
When auto-ranging is selected, zero adjustment is executed in all
ranges.
• When zero adjustment is executed with auto-ranging, correct zero
adjustment may not be possible if the Delay time is too short. In
this case, execute zero adjustment manually, or lengthen the
Delay time.
❖ 5.11.2 Trigger Delay (Page 69)
• Zero adjustment values are retained internally even when the
instrument is turned off.
• Zero adjustment can be performed even when the 0ADJ pin of the
EXT I/O connector is shorted to ground.
• Always perform zero adjustment after switching the Offset Voltage
Compensation (OVC) function ON or OFF.
Clearing Zero Adjustment
1
(SHIFT Lamp lit)
The Menu display appears.
2
The zero-adjust value is cleared.(0ADJ off)
(Main Display)
(Sub Display) flashing
(Main Display)
If OF is displayed Appears when the value is outside of the following range.
The measurement value minus the zero-adjust value must be greater
or equal to -2000 dgt and less than or equal to +200000dgt (20 mΩ to
20 kΩ), +110000dgt
(100 k
Ω
to 100 M
Ω
)
If Err02 is displayed The measurement value when attempting zero adjustment was more
than 1000 dgt, or a measurement fault condition exists.
The zero adjust function is canceled, so repeat the operation after
correcting the cause of the error.
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