3-8. DEFAULT SETTINGS AT POWER-ON
When the 4278A is turned on without a memory card inserted, the 4278A's control settings
are automatically set as listed in the following table. If a memory card is inserted, the
4278A's controls are set to the settings that were stored in the memory card using the auto-
load function.
Measurement Parameter
Test Signal Frequency
11 V1 Hz High Accuracy Mode
Measurement Range
Integration Time
Averaging Time
Trigger mode
Cable Length
Open Compensation
Short Compensation
Standard Compensation
Standard Parameter
Display Offset A
Display Offset B
Comparator
Limit Parameter
Limit Mode
Auxiliary Bin
Bin Count
Display Page Format
Number of Display Digit
Display Value
Value Monitor
Keyboard Lockout
Cp-D
lkHz (1MHz, If supplied with option 002)
OFF (Normal)
AUTO
LONG
1
INT
Orn
OFF
OFF
OFF
C-D
OFF
OFF
OFF
Cp-D
Percent Tolerance
OFF
OFF
Measurement Page
6 Digits
Measurement Value (not deviation in percent)
OFF
UNLOCK
Settings with numeric data are as follows.
Test Signal Level
Measurement Range (1MHz High Accuracy)
Delay Time
Nominal Value (Comparator Function)
HP-IB Address
1.0Vrms
256pF
Oms
01.4.F
17'
* The 4278A's HP-lB address is stored in internal nonvolatile memory. If you change
the address, the address you set will be retained. The 4278A's HP-IB address is set
to 17 when shipped from the factory, and it may be reset to 17 if the 4278A is
repaired.
3-13
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