HP 8642A Operation And Calibration Manual

Model 8642A/B
Operation
Special Functions (cont'd)
SPCL 2XX
How to Turn Off Special Functions
Special functions can be turned off using the following procedures:
o Turn off a single special function. For example, Special Function 209 (Attenuator
Range Hold Off) will turn off Special Function 9 (AttenuataI' Range Hold 011)
Each special function that has a numerIc code less than 200 call be disabled using
a special function (ode that is comprised of the number 2UO added to the last 2 digits
of the special function (or added to the single digit for single-digit special functions).
For example, Special Function 4 is disabled with Special Function 204, Special
Function 112 is disabled with Special Function 2 I 2, etc.
Q Select Special Function 0 (Special Functi01ls 4 through 9 Off) to turn off Special
Functions 4 through 9. This is convenient when frequently using just one, Single-digit
special function (for example Special Function 9)
e Select Special Function 100 (All Special Function Codes Less Than 200 orf) to
turn off Special Functions 4 through 9, 111 through ! 19, 121 through 123, 134, and
135.
o Select ( INSTR PRESET~ (lIP-JB IF) or PARTIAL (CSRTFT~ I fNsTR-PRESED )
(HP-lB: PPJ.
How to Display the Special Functions Currently On
SPCL ( (SHIFT) 0 )
HP-IB
Codes
Related
Operating
Instructions
When SPCL is selected, the codes of the currently selected special functions will be
displayed in numeric order. As each special fp'lctioll is selected, it is placed in numeric
order in that list.
HP-lB: Use Output Display to read these special functions. (Refer to the discussion
about outputting display illformation which begins on page 3-21 in the IIP-JB portion
of this Section III)
RF Frequency can be varied by 0.1 Hz using Special Functions 140 and 241 The
status of these is read using the ( MSSG ) key Refer to page 3-195, Information
Messages 149 through 141 and 151 through 159
The HP-JB code for special function is SP. When selecting a special function via
HP-JB, use the number of the special functiJll preceded by SP (for example, SP4 or
SP 204) Exactly one or three digits must always be used to select special fUIlclJons.
Leading zeroes must be suppressed for special fUllctions even though they are required
for some other functions (such as SV, RC, and SS).
Keys Codes
SPCL SP
HELP
HP
HELP OFF HO
Refer to Operating Messages (page 3-177) if the instrument displays a message you
wan t clarified.
3-169

HP 8642A Specifications

General

Brand	HP
Model	8642A
Category	Inverter
Language	English