Tektronix 2714 User Manual page 327

Appendix B: System Messages
TIMER INTERRUPT FAULT
Firmware/Hardware error. Possible malfunction of interrupt timer
on processor board indicated. Contact your tocal Tektronix service
center or representative if message persists after normalization.
TOO MANY FILES OPEN
Firmware/Hardware error. Indicates that the maximum number of
files is already open. Cannot open any more files at this time.
Contact your local Tektronix service center or representative if
message persists after normalization.
Indicates the 2714 is operating in an uncalibrated state. Occurs
under the following conditions.
= Sweep speed is too fast for a specified resolution BW, video
filter, and span combination
= One or more critical normalizations have not been completed
UNCAL OFF
Achange-of-state indicator briefly displayed when an uncalibrated
state has been corrected and exited.
Achange-of-state indicator briefly displayed when an uncalibrated
state has been entered.
UNDEFINED ERROR CODE
Firmware/Hardware error. Returned error code has overrun
established limits. Contact your local Tektronix service center or
representative if message persists.
UNDEFINED EVENT CODE
Firmware/Hardware error. Returned error code has overrun
established limits. Contact your local Tektronix service center or
representative if message persists.
USE ANTENNA SETUP MENU FIRST
The antenna start/stop/increment frequencies must be set prior to
editing the correction table.
USER DEFINED PROGRAM IN PROCESS
A UDP is in progress. Reported primarily for GPIB purposes.
USER DEFINED PROGRAM COMPLETE
A UDP has finished.
B-14