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Remote Operation
Example Programs
Example 4. Maximum and minimum amplitude values
Description
The marker delta function is used to find the maximum and minimum (peak
and pit) values of the signal.
Program
PRINT “Peak to Pit Example”
OUTPUT 723;”disp:wind:text:data ‘Minimum & Maximum Signals’”
!
PRINT
OUTPUT 723;”*rst” ! Preset the instrument
PRINT “Presetting the instrument”
!
PRINT
OUTPUT 723;”disp:wind:trac:all:scal:auto” ! Automeasure
PRINT “Performing Automeasure”
!
PRINT
OUTPUT 723;”cal:alig:mark1” ! Perform an autoalignment
PRINT “Performing Autoalign”
!
PRINT
! Next line is the operation complete query used so that the text is not printed
! until after the Autoalign is complete
OUTPUT 723;”*opc?”
ENTER 723;Dum
PRINT “...measurement begins”
!
OUTPUT 723;”sens:wav:span 10 nm” ! Set span
!
OUTPUT 723;”init:imm” ! Take a single sweep
OUTPUT 723;”calc1:mark1:max” ! Marker to peak
OUTPUT 723;”calc1:mark1:scen” ! Marker to center
!
OUTPUT 723;”sens:pow:dc:rang:low -60dBm” ! Set sensitivity
OUTPUT 723;”init:imm” ! Take a single sweep
!
OUTPUT 723;”calc1:mark1:max” ! Marker to peak
OUTPUT 723;”calc1:mark1:x?” ! Read marker wavelength
ENTER 723;Markwl
OUTPUT 723;”calc1:mark1:y?” ! Read marker amplitude
ENTER 723;Markamp
!
! Turn on marker delta
OUTPUT 723;”calc1:mark1:func:delt:stat on”
!
OUTPUT 723;”calc1:mark1:min” ! Marker to pit
!
OUTPUT 723;”calc1:mark1:func:delt:y:offs?” ! Read Delta Y Marker
ENTER 723;Markdelty
OUTPUT 723;”calc1:mark1:func:delt:x:offs?” ! Read the x delta marker
ENTER 723;Markdeltx
!
book.book Page 21 Monday, January 31, 2000 10:34 AM