Atek HP 8753D, Руководство пользователя, Страница: 592 / 677

PARALLEL PORT NOT AVAILABLE FOR GPIO
Error Number
165
Y ou have dened the parallel port as COPY for sequencing in the HP-IB menu.
T o access the parallel port for general purpose I/O (GPIO), set the selection to
[GPIO].
PARALLEL PORT NOT AVAILABLE FOR COPY
Error Number
167
Y ou have dened the parallel port as general purpose I/O (GPIO) for
sequencing. The denition was made under the 4 LOCAL 5 key menus . T o access
the parallel port for copy , set the selection to
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
PARALLEL [COPY] .
PHASE LOCK CAL FAILED
Error Number
4
An internal phase lock calibration routine is automatically executed at
power-on, preset, and any time a loss of phase lock is detected. This message
indicates that phase lock calibration was initiated and the rst IF detected, but
a problem prevented the calibration from completing successfully . Refer to the
HP 8753D Network Analyzer Service Guide and execute pretune correction test
48.
This message may appear if you connect a mixer between the RF output and R
input before turning on frequency oset mode . Ignore it: it will go away when
you turn on frequency oset. This message may also appear if you turn on
frequency oset mode before you dene the oset.
PHASE LOCK LOST
Error Number
8
Phase lock was acquired but then lost. Refer to the HP 8753D Network
Analyzer Service Guide for troubleshooting information.
PLOT ABORTED
Error Number
27
When you press the 4 LOCAL 5 key , the analyzer aborts the plot in progress .
PLOTTER: not on, not connect, wrong addrs
Error Number
26
The plotter does not respond to control. V erify power to the plotter , and check
the HP-IB connection between the analyzer and the plotter . Ensure that the
plotter address recognized by the analyzer matches the HP-IB address set on
the plotter itself.
Error Messages 10-17