B
Help
Messages
/nterpfefing
the
Help
Messages
When the
HP
8904A
detects an inappropriate operating condition
(such as when an inactive key is pressed), it beeps to let you know
that a message about the condition is available on the Help display.
The HP
8904A's
Help display is accessed by pressing the blue
SHIFT
key and then the
HELP
key. Table
C-1
lists the Error Number for each
Help Message displayed by the
HI?
8904A
along with
a
brief
description
of
the operating conditions that will cause the HP
8904A
to display the message.
Table
B-1.
Error Numbers and Description Listings for the UP
8904A's
Help Messages.
(1
of
4)
0
1
2
3
4
10
11
12
Description
There is no new message.
A
key was selected without specifying what the data was related to.
The key selected does not correspond to the function selected.
Invalid HP-IB address entry. (Only
00-30
(decimal) are valid entries.)
The
0
or
0
key cannot be used with this function.
The instrument cannot access the output board that connects to the OUTPUTS
1
connector. Refer to
the HP
8904A
Service Manual to isolate the problem.
A
hardware error was detected by the power-up checks. Refer to the HP
8904A
Service Manual to
isolate the problem.
The reference loop of the Digital Synthesis
(A2)
assembly is out of lock. Refer to the
HP
8904A
Service
Manual to isolate the problem.
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