1
Calibration Procedures
Using the Front Panel for Adjustments
48
U1270 Series Service Guide
7
Use the arrow keys to enter the actual applied input
values.
8
Press
to start the adjustment.
CAL
is shown on the
display to indicate that the calibration is in progress.
9
Upon completion of each adjustment value, the display
will show
PASS
. If the adjustment fails, the instrument
will sound a long beep and the calibration error number
is shown on the display.
10
Turn the rotary switch to the next function according to
the
Test function
column shown in
Table 1- 3
. Repeat
step 3
to
step 8
for each adjustment point shown in the
adjustment table.
11
Verify the adjustments using the
“Performance Verification
Tests”
on page 27.
Exiting the adjustment mode
1
Remove all the shorting plugs and connectors from the
instrument.
2
Record the new Calibration Count.
3
Press
and
simultaneously to exit the
Adjustment Mode.
4
Cycle the instrument’s power. The instrument will then be
secured.
N O T E
You are highly recommended to complete the adjustments in the same
order as shown in
Table 1-3
.
Hz % ms
Log
N O T E
If the adjustment fails, check the input value, range, function, and entered
adjustment value before repeating the adjustment steps.
Shift
View
Esc
Auto
Trig
Hold
Summary of Contents for U1270 Series
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