HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

RETURN
Return
Stops the operation of a user-defined command and returns program operation to the point
where the user-defined function was called.
Syntax
RETURN
Related Commands: ABORT. FUNCDEF. IF (IFflHEN/ELSE/ENDIF), REPEAT
(REPEAT/UNTIL). ’ ’ ’
Example
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Description
OUTPUT 718."IP*"
OUTPUT 718;"SNGLS;TS;DONE?"
ENTER 718;Done
!
OUTPUT 718;"FUNCDEF D,LP,O"
OUTPUT 718;"CF 300MZ;SP 10MZ;TS;"
OUTPUT 718;"MKPK HI;"
OUTPUT 718;"PU;PA 60,180;"
OUTPUT 718;"IF MKA,LT,-30 THEN;"
OUTPUT 718;"TEXT'NO SIGNAL FOUND';"
OUTPUT 718;"HD;"
OUTPUT 718;"CONTS;"
OUTPUT 718;"RETURN;"
OUTPUT 718;"ELSE;"
OUTPUT 718;"TEXT'SIGNAL FOUND';"
OUTPUT 718*"ENDIF."
OUTPUT 718;"SP 5MZ;TS;MKPK;"
OUTPUT 718."MKCF*"
OUTPUT 718;"MKRL;TS;"
OUTPUT 718;"HD;"
OUTPUT 718;"CONTS;"
OUTPUT 718~"Q~"
# ,
!
OUTPUT 718;"D,LP;"
!
END
Initializes spectrum analyzer
put in single sweep mode
wait until done
dejines user de@ed fan&ion
set CF and SPAN
marker peak
position pen, get ready for text
marker less than -30 dBm?
refresh graticule
back to continuous sweep
exit the function
narrow span, marker peak
marker to CF
marker to RL
refresh graticule
back to continuous sweep
end of user &fined function
this line executes function D-LP
The example shows the use of the RETURN command to exit from a user-defined function.
When the RETURN is encountered, execution within the function halts and control returns to
the calling context.
5-466 Programming Commands