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Calibration
19-5
Unlocking calibration
Before performing calibration, you must
fi
rst unlock calibration as follows:
1.
Press the MENU key, and then choose CAL, and press ENTER. The instrument will
display the following:
CALIBRATION
UNLOCK EXECUTE VIEW-DATES
SAVE LOCK CHANGE-PASSWORD
2.
Select UNLOCK, and then press ENTER. The instrument will display the following:
PASSWORD:
Use
,
▲
,
▼
,
, ENTER or EXIT.
3.
Use the up and down RANGE keys to select the letter or number, and use the left and
right arrow keys to choose the position. (Press down RANGE for letters; up RANGE
for numbers.) Enter the present password on the display. (Front panel default: 006430.)
4.
Once the correct password is displayed, press the ENTER key. If the password was cor-
rectly entered, the following message will be displayed:
CALIBRATION UNLOCKED
Calibration can now be executed.
5.
Press EXIT to return to normal display. Calibration will be unlocked and assume the
states summarized in Table 19-2. Attempts to change any of the settings listed below
with calibration unlocked will result in an error +510,
“
Not permitted with cal
unlocked.
”
NOTE
With calibration unlocked, the sense function and range track the source function
and range.
Table 19-2
Calibration unlocked states
Mode
State
Mode
State
Concurrent Functions
Sense Function
Sense Volts NPLC
Sense Volts Range
Sense Current NPLC
Sense Current Range
Source V Mode
Volts Autorange
OFF
Source
10
Source V
10
Source I
FIXED
OFF
Source I Mode
Current Autorange
Autozero
Trigger Arm Count
Trigger Arm Source
Trigger Count
Trigger Source
FIXED
OFF
ON
1
Immediate
1
Immediate
▲
▲
Summary of Contents for 6430
Page 26: ......
Page 32: ......
Page 78: ...2 14 Connections ...
Page 98: ...3 20 Basic Source Measure Operation ...
Page 138: ...5 30 Source Measure Concepts ...
Page 156: ...6 18 Range Digits Speed and Filters ...
Page 168: ...7 12 Relative and Math ...
Page 176: ...8 8 Data Store ...
Page 202: ...9 26 Sweep Operation ...
Page 248: ...11 22 Limit Testing ...
Page 310: ...16 6 SCPI Signal Oriented Measurement Commands ...
Page 418: ...17 108 SCPI Command Reference ...
Page 450: ...18 32 Performance Verification ...
Page 477: ...A Specifications ...
Page 489: ...B StatusandErrorMessages ...
Page 498: ...B 10 Status and Error Messages ...
Page 499: ...C DataFlow ...
Page 503: ...D IEEE 488BusOverview ...
Page 518: ...D 16 IEEE 488 Bus Overview ...
Page 519: ...E IEEE 488andSCPI ConformanceInformation ...
Page 523: ...F MeasurementConsiderations ...
Page 539: ...G GPIB488 1Protocol ...
Page 557: ......