iv
4.2.6 Deviation Test.......................................................................................40
4.2.7 Fractional Divider Tests ........................................................................43
4.3 Calibration Procedure...............................................................................................43
4.3.1 Model 800A/811A Calibration Procedure .............................................43
4.3.2 Model 800AE/811AE Calibration Procedure ........................................48
4.3.3 Factory Adjustments .............................................................................51
4.4 Periodic Maintenance...............................................................................................51
4.4.1 Air Filter.................................................................................................51
4.4.2 Relays ...................................................................................................52
4.5 Troubleshooting........................................................................................................52
4.5.1 Access...................................................................................................52
4.5.2 Power Supply Voltages.........................................................................52
4.5.3 Suspected Voltage Failure....................................................................54
4.5.4 Suspected Current Failure....................................................................58
4.5.5 Suspected Phase Function Failure.......................................................60
4.5.6 Line Synchronization Function Erratic ..................................................60
4.5.7 Isolating an Analog Switch Fault...........................................................61
5.0 IEEE-488 INTERFACE..........................................................................................................63
5.1 Description................................................................................................................63
5.2 Data Entry.................................................................................................................64
5.3 Serial Poll Code........................................................................................................64
5.4 Default Conditions ....................................................................................................67
5.5 Asserting the Remote State .....................................................................................67
5.6 Programming Examples ...........................................................................................67
5.6.1 Initializing ..............................................................................................68
5.6.2 Establishing an Active Defined Condition.............................................68
5.6.3 Enabling Operate..................................................................................69
5.6.4 Reading the Deviation Meter Data........................................................69
5.6.5 Reading the Energy Delivered Data .....................................................69
5.6.6 Ending a Test Routine ..........................................................................70
5.6.7 Precautions...........................................................................................70
6.0 Parts List................................................................................................................................71
6.1 List of Recommended Spare Parts ..........................................................................71
6.2 Replaceable Parts ....................................................................................................73
6.2.1 Front Panel Assembly...........................................................................73
6.2.2 Main Assembly......................................................................................75
6.2.3 Rear Panel Assembly ...........................................................................77
6.2.4 Relay Output Assembly ........................................................................81
6.2.5 Annunciator Assembly ..........................................................................83
6.2.6 Control Logic Assembly ........................................................................85
6.2.7 CVA Assembly ......................................................................................91
6.2.8 Phase Control & Sense Assembly........................................................99
6.2.9 Oscillator Assembly ..............................................................................107
6.2.10 Reference Assembly.............................................................................113
6.2.11 µP/IEEE Interface .................................................................................119
6.2.12 Switch Circuits ......................................................................................123
7.0 SCHEMATICS AND LOCATION DRAWINGS......................................................................125