Power Level Accuracy Test Procedure......5-14
Power Level Flatness Test Procedure ......5-15
Chapter 6 Operator Maintenance
6-1 INTRODUCTION ...................6-3
6-2 ERROR AND WARNING/STATUSMESSAGES. . . 6-3
Self-Test Error Messages.............6-3
Normal Operation Error and Warning/ Status
Messages ....................6-8
6-3 TROUBLESHOOTING ...............6-10
6-4 ROUTINE MAINTENANCE ............6-13
Cleaning the Fan Filter.............6-13
Cleaning the Data Display ...........6-13
Replacing the Line Fuse ............6-14
Chapter 7 Use With Other Instruments
7-1 INTRODUCTION ...................7-3
7-2 MASTER-SLAVEOPERATION ...........7-4
Connecting the Instruments ...........7-4
Initiating Master-Slave Operation ........7-5
Master-Slave Operation .............7-7
Master-Slave Operation in VNA Mode ......7-7
Terminating Master-Slave Operation.......7-9
7-3 USE WITH A 56100ASCALAR NETWORK
ANALYZER......................7-10
Connecting the 681XXC to the 56100A .....7-10
7-4 USE WITH A 360B VECTOR NETWORK
ANALYZER......................7-11
Connecting the 681XXC to the 360B ......7-11
Modes of Operation...............7-12
Source Lock Mode ...............7-12
Tracking Mode .................7-14
7-5 USE WITH A HP8757D SCALAR NETWORK
ANALYZER......................7-16
Connecting the 681XXC to the HP8757D ....7-16
Setting Up the 681XXC.............7-17
Initiating HP8757D SNA Operation.......7-19
iv 681XXC OM
Table of Contents (Continued)