Table of Contents
Advertisement
INFORMATION AND SERVICE
DIAGNOSTICS COMMANDS
Reads data word at analyzet's internal input/output bus
Writes data word to analyzer's internal input/output bus
Returns results of processor test
Returns the HP model number of analyzer used (HP 85668
or HP 8568B)
Shifts YTO by intermediate frequency
Allows manual control of DAC
Unlocks frequency band
Turns frequency diagnostics on
Recovers last instrument state at power on
De-couples IFgain and input attenuation
Sets service request I02
Locks frequency band
Stops sweep at active marker
Displays correction data
Selects factory preselector setting
Turns off YTX self-heating correction
Selects manual preselector peak
Reads specified number of bytes starting at specified address
and returns to controller
Writes specified block data field into analyzer's memory
starting at specified address
Reads two-byte word starting at specified analyzer memory
address and returns word to controller
Reads 8-bit byte contained in specified address and returns
byte to controller
Writes two-byte word to specified analyzer memory address
Writes one-byte message to specified analyzer memory
address
Returns analyzer revision number
Returns decimal weighting of status byte bits which are
enabled during service request
OUTPUT FORMAT CONTROL
Reads display and increments address
Displays value of variable on analyzer screen
Enables front panel number entry
Allows manual control of DAC
Sets HP-IB address
Sets fast HP-IB
Returns amplitude error
Returns code for harmonic number in binary
Reads display in binary units
Returns every nth value of trace
Provides lower left x-y recorder output voltage at rear panel
Returns marker amplitude
Specifies measurement data size to byte or word. Preset con-
dition is word.
Returns values of CRT baseline and reference level
Returns marker frequency
Returns active function
Returns learn string
Returns display annotation
Selects output format as integers (ASCII) representing dis-
play units or display memory instruction words
Selects output format as two 8-bit bytes
0 2
Selects output format as real numbers (ASCII) in Hz, volts,
Selects output format as one 8-bit byte
0 4
Outputs trace A
P r o g r a m m i n g 1 7
Advertisement
Table of Contents
