Error in Test Patch entry !!: This error will only occur if the service adjustment menu is accessed. Specifically, one of three entries has been attempted.

w An invalid test patch number.

nAn invalid test patch data point.

•An invalid parameter of the test patch specification. Correct by entering a valid parameter.

Freq step must be >= 0 !!: This error occurs in association with the user power flatness menu, auto fill increment, feature. If the increment value entered is less than zero you will see this error. Correct by entering an increment value greater than zero.

FUNCTION LOCKED OUT: This error will only occur if the service adjustment menu is accessed. Specifically, the calibration constant that inhibits access to certain functions has been set. If you need access to the function, contact a qualified service technician.

HP-IB SYNTAX ERROR: This indicates that an analyzer language syntax error has been encountered. Review the program to find the syntax error.

ILLEGAL INSTRUCTION EXCEPTION: This can only be caused by an internal processor error. Refer to the “OPERATOR’S CHECK” chapter for instructions on contacting a qualified service technician.

INPUT BUFFER EMPTY: This can only be caused by an internal processor error. Refer to the “OPERATOR’S CHECK” chapter for instructions on contacting a qualified service technician.

INPUT BUFFER FULL: This can only be caused by an internal processor error. Refer to the “OPERATOR’S CHECK” chapter for instructions on contacting a qualified service technician.

INVALID LANGUAGE ON REAR PANEL SWITCH: The

H P - I B / anL guage switch located on the rear panel has been set to an invalid programming language selection. Check the rear panel switch. See “INSTALLATION” for information on language selection.

Invalid Save/Recall Register..1 There are two cases when this error message is possible.

nIf a save function is attempted to either register 0 or 9.

nIf a recall function is attempted on register 9.

Correct by selecting a valid save/recall register.

LINT1 INTERRUPT: This can only be caused by an internal processor error. Refer to the “OPERATOR’S CHECK” chapter for instructions on contacting a qualified service technician.

Error Messages 2a-3