8508A
Users Manual
Selects the sequence required to correct the linearity of the 1kV DC range.
Provides the capability to clear a section of the non-volatile memory for ‘test
purposes only’.
Permits entry of the instrument’s serial number.
Reverts to the CALIBRATION menu.
SER # Menu
This menu is obtained by pressing Ser# in the SPCL menu. On entry to the menu, the
most-recently-entered serial number is shown, and the numeric keyboard is activated. A
numeric value can be entered.
adj138f.eps
SER# Menu
The SER# menu provides the selection:
Stores the new serial number, de-activates the numeric keyboard, and reverts
to the SPCL menu.
Reverts to the SPCL menu, leaving the old serial number intact.
Hvlin Menu
This menu sequence is obtained by selecting
Hvlin from the SPCL menu. It allows the
linearity of the 1kV DC range to be adjusted with the application of five input signals of
-1000V, -500V, 0V, +500V and +1000V in turn, with the 1kV DC range selected. On
entry to the menu, the user is prompted to apply the first input signal required and step
through the sequence:
adj135f.eps
Hvlin Menus
Pressing the SAMPLE key initiates the adjustment operation at the signal level displayed
for the step in progress and; also, saves the result for calculation of the
Hvlin linearity
correction factor at the end of the sequence.
Moves back to the previous menu allowing the user to repeat the previous
step in the sequence if required.
Moves forward through the sequence to the next step and signal level.
Initiates calculation and storage of the high voltage linearity correction
factor, completing the
Hvlin adjustment process.
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