Rear
Panel
Operation
3.
AUXILIARY
INTERFACE
Connect the HP 83300A Remote Interface or the HP 83301A Memory
Interface to this connector for operation with the instrument. Refer
to “Remote Interface” and “Memory Interface” in this section for
information about operating these devices.
TX
Data (output)
+5
Volts
RX
Data (input)
Ground
\
CTS
(input)
RTS
(output)
4.
Line Voltage
Connector
For information about the line voltage connector or fuse replacement,
refer to Chapter
3,
“Installation.”
5.
HP-IB
Connector
This
is
an IEEE 488.1-1987 connector for controlling the instrument
via
an
external controller. For information about HP-IB operation of
the instrument, refer to Chapter 2, “HP-IB Programming.
’
6.
TIMEBASE
ADJUST
and
Help
&,itches
Position one of this switch (labeled “TIMEBASE
ADJUST”)
places
the instrument in the timebase adjustment mode. For the timebase
adjustment procedure, refer to Chapter 7, “Adjustments.
’
Position two of this switch (labeled “NOT
USED”)
is the switch which
allows you to turn
off
the following error messages:
001
002
Modulation exceeds deviation range
004
Invalidunits selection
005
006
End of increment range
007
Entered value out
of
range
008
Amplitude exceeds specifiedrange
010
End of knob range
011
Amplitude exceeds
ATTNHOLDlimits
012
013
014
For more information about these messages, refer to Chapter IC,
“Operation Messages.
”
No external dc coupling
for
PM
Increment value entry out of range
No external dc coupling
for
AM
AM
unspecified above
4
dBm
AM
unspecified
at
or
below
1.5
MHz
Operation Reference
lb.21
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