8508A
Service Manual
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Introduction........................................................................................................ 3-3
Calibration Overview......................................................................................... 3-3
Calibration Points .............................................................................................. 3-3
Non-Nominal Values..................................................................................... 3-4
Calibration Menus.............................................................................................. 3-4
Calibration Menu........................................................................................... 3-4
SET VALUE Menu ....................................................................................... 3-5
SPOT CAL Menu .......................................................................................... 3-6
Special Calibration ........................................................................................ 3-7
SPCL Menu ................................................................................................... 3-7
SER # = Menu ............................................................................................... 3-7
Hvlin Menu.................................................................................................... 3-8
Routine Calibration............................................................................................ 3-9
Interconnections ............................................................................................ 3-11
ADC Calibration............................................................................................ 3-14
Resistance Calibration ................................................................................... 3-18
Frequency Calibration ................................................................................... 3-28
Interconnections ............................................................................................ 3-32
Preparation..................................................................................................... 3-33
DC Voltage Checks ....................................................................................... 3-33
AC Voltage Checks ....................................................................................... 3-35
Resistance Checks ......................................................................................... 3-37
DC Current Checks........................................................................................ 3-40
AC Current Checks........................................................................................ 3-41
Frequency Checks ......................................................................................... 3-43
Maintenance......................................................................................... 4-1
Introduction........................................................................................................ 4-3
Access Procedures ............................................................................................. 4-3
Before You Start............................................................................................ 4-3
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