Model
8904A
Operation
lbble
3-9.
Error
Numbers and Description Listings
for
the
HP
8904A’s
Help Messages
(2
of
3)
Error
Number
41
42
43
44
45
46
47
48
50
51
52
53
54
55
56
57
58
59
101
102
103
104
Description
-Hewlett-Packard Interface Bus (HP-IB) Errors
-
HP-IB numeric input error. Exponent too large or improper number format.
HP-IB numeric input error. The number was too large
or
too small, or a negative value was received
when a positive value was required.
A
number value was sent via HP-18 when one was
not
expected.
Invalid unique data was input via HP-IB. (Unique data specifies the Waveform, Modulation Type,
Modulation On/Off Control, and Filter Selection, when entering a data string via HP-16.)
Unique data was received via HP-IB when none was expected. (Refer to Error
44
for an explanation of
unique data.)
An invalid terminator for the present data type was received via HP-IB.
(A
data terminator specifies the
units
of
the data entered: i.e., Hz, Degrees, Volts, Seconds, Percent, etc: the ENTER command is also
included in this group.)
A Data Terminator was received via HP-IB when none was expected. (Refer to Error
46
for an
explanation of data terminators.)
A
combination of errors
41
through
47
probably exists. (Confirm that at least one of these errors exists
and correct
it.
Enter the data again and read any error messages that result: an error number other
than
48
should be displayed. The second error message should help to further isolate the error
until
it
is
eliminated.)
-Signal Sequence Mode Errors-
Time value entered is out of range.
On and
Off
Time values cannot both be zero.
Amplitude value entered
is
out of range.
Frequency value entered is out of range.
Tone Number entered is out of range. [Only tone numbers
0-F
(Hexadecimal) are valid.]
Sequence Index value entered
is
out
of range. (Valid Range
is
1-250.)
Sequence End value entered is out of range. (Valid Range
is
1-250.)
The number entered is not valid in the Sequence Base selected. (Either the Binary, Octal,
or
Hexadecimal base numbering system is used to specify the Sequence Index and Sequence End. For
example, you may not use the character
‘9
when you have previously specified the Octal base, since
this number does not exist in that numbering system.)
Command not permitted in this mode.
Command not available in present window.
-Destination Control Errors-
Channel
A
cannot be used as a source for
AM,
FM,
DSB,
Phase or Pulse modulation. (Channel
A
can.
be modulated, but it cannot be used as a modulation source.)
Channel
A
has a Waveform of dc and cannot be modulated.
A
channel which has a Waveform of dc cannot be used as a modulation source.
An operation was directed to an output board which does not exist.
3-35
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