8662A Option HI
1
08662-92019
Page 3 of 20
To disable the rear panel connector, the jumper wire must be connected from pin 11 of
A4A9U7A to pin 3 of A4A9U7A. See Figure 8-537A on page 18 of this Insert and P/O Figure
8-539
on page 19 of this Insert.
On page 3-69, in Comments (Cont'd), under Greater Stability, replace the NOTE with the
following:
NOTE
AM
+
FM
is
possible, with reduced stability, by using a second external source
for FM and the rear panel
A UX
FM INPUT (enabled with
a
jumper wire on the
A4A9 board).
On page 3-70, in Comments, replace the paragraph starting with "DC Coupling with
Phase Lock" and the next paragraph with the following:
DC COUPLING WITH PHASE LOCK. For external control of FM peak deviation (for
signals entering the rear panel AUX FM INPUT):
* Enable the AUX FM connector by performing the changes described in the
preceding section titled Procedure on page 3-68.
On page 3-74, Modulation, Mixed, delete the last line in Description: (Special Function
51).
On page 3-74, under Procedure, replace the lines labeled AUX FM ON and OFF with the
following:
AUX FM ON: The jumper on the A4A9 board must be connected from pin 14 of
A4A9U6A to pin 3 of A4A9U7A. See Figure 8-537A on page 18 of this Insert and P/O Figure
8-539
on page 20 of this Insert.
AUX FM OFF: The jumper on the A4A9 board must be connected from pin 3 of
A4A9U7A to pin 11 of A4A9U7A. See Figure 8-537A on page 18 of this Insert and P/O Figure
8-539
on page 19 of this Insert.
On page 3-74, change the second example as follows:
Enable the Rear panel AUX FM connector.
Local
HP-IB Program Codes
Connect jumper on A4A9 board as described in
procedure above.
Not Applicable for Option HI
1
On page 3-80, Table 3-11, Special Function, modify the table as shown below:
Function
Auxiliary FM Off
Auxiliary FM On
External 10 MHz Reference Off
External 10 MHz Reference On
Codes
None
None
50
51
Copyright 1986 - HEWLETT-PACKARD COMPANY - Spokane Division
24001 E. Mission Avenue, Liberty Lake, WA 99019-9599 U.S.A.
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