Triggering
TDS 620A, 640A & 644A User Manual 3Ć133
ToSet to 50%
*0) ,0%&'4*/%) ) ! #! *- +0'.! /-%##!- !3!+/ "*- /$!0)/ '..
4 +-!..%)# SET LEVEL TO 50%. $! *.%''*.*+! .!/. /$! /-%##!- '!1!' /*
/$! $'"24 +*%)/ !/2!!) /$! +!&. *" /$! /-%##!- .%#)'
*0) '.*.!/ /$! '!1!' /* %) /$! -%##!- (!)0 0) !- /$! (%) (!)0
%/!( Level %" #! *- 0'.! !3!+/ "*- 0)/ '.. %. .!'!/!
*/! /$/ /$! MAIN LEVEL &)* ) (!)0 %/!(. ++'4 *)'4 /* /$! (%)
/-%##!- '!1!' *(* %"4 /$! !'4! /-%##!- '!1!' 0.! /$! Level %/!( %) /$!
!'4! -%##!-(!)0
Force Trigger
4 +-!..%)# /$! FORCE TRIG "-*)/ +)!' 0//*) 4*0 ) "*-! /$! *.%''*7
.*+! /* %((! %/!'4 ./-/ ,0%-%)# 21!"*-( -!*- !1!) 2%/$*0/
/-%##!- !1!)/ *-%)# /-%##!- %. 0.!"0' 2$!) %) )*-(' /-%##!- (* ! )
/$! %)+0/ .%#)' %. )*/ .0++'4%)# 1'% /-%##!- 4 +-!..%)# FORCE TRIG
4*0 ) ,0%&'4 *)"%-( /$/ /$!-! %. .%#)' +-!.!)/ "*- /$! *.%''*.*+! /*
,0%-! )! /$/ %. !./'%.$! 4*0 ) !/!-(%)! $*2 /* /-%##!- *) %/
+-!.. SET LEVEL TO 50% $!& /-%##!- .*0-! .!//%)# !/
$! *.%''*.*+! -!*#)%5!. ) /. 0+*) FORCE TRIG !1!) 2$!) 4*0
+-!.. %/ !"*-! /$! !) *" +-!/-%##!- $*' *"" *2!1!- /$! 0//*) $. )*
!""!/ %" /$! ,0%.%/%*) .4./!( %. ./*++!
Single Trigger
" 4*0- #*' %. /* / *) /$! )!3/ 1'% /-%##!- !1!)/ ) /$!) ./*+ +-!..
SHIFT FORCE TRIG *2 4*0 ) %)%/%/! /$! .%)#'! .!,0!)! *" ,0%.%7
/%*). 4 +-!..%)# /$! RUN/STOP 0//*)
*'!1! %)#'!-%# (* ! +-!.. SHIFT ACQUIRE MENU➞Stop AfĆ
ter(%)➞RUN/STOP Button Only .% !
!! /$! !.-%+/%*) 0) !- 6/*+ "/!- *) +#! 7 "*- "0-/$!- %.0..%*) *"
.%)#'! .!,0!)! ,0%.%/%*).
$! %#%/%5%)# *.%''*.*+! $. %.+'4 -! *0/. ) .//0. '%#$/. ! %/!
/* (*)%/*-%)# /$! /-%##!- %-0%/-4
Trigger Status Lights
$!-! -! /$-!! .//0. '%#$/. %) /$! -%##!-*)/-*' -!%#0-! 7 %) %/7
%)# /$! .//! *" /$! /-%##!- %-0%/-4$! '%#$/.-! '!'! TRIG'DREADY
) ARM
$!) TRIG'D %. '%#$/! %/ (!). /$! %#%/%5%)# *.%''*.*+! $. -!*#7
)%5! 1'% /-%##!- ) %. "%''%)# /$! +*.//-%##!- +*-/%*) *" /$! 21!"*-(
Readouts