Fluke CombiScope PM3370B User Manual page 148

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In the DELAYED TIMEBASE menu, which is selected with the DTB key, the
delayed timebase can be switched on. This is done with the first softkey called
'DEL'D TB on/off'. Once activated, the delayed timebase trace is displayed. The
main timebase trace can be switched off using the 'MAIN TB on/off' softkey. If both
main and delayed time bases are displayed, you can separate them by using the
TRACE SEP function.
Function of 'mtb+dtb', DELAY
and TRACE SEP.
Key sequence:
DEL' DTB
on off
DTB
MAIN TB
on off
TRACK
ST6756
9303
s ns
TIME/DIV
DELAY
DELAY
Toggle softkey to switch the delayed timebase on or off.
Toggle softkey to switch the main timebase on or off.
Control to adjust the vertical distance (TRACE SEP)
between MAIN TB and DEL'D TB traces.
Key pair to adjust the DEL'D TB time scale.
Control to adjust delay time between start of MAIN TB and DEL'D
TB sweeps.
FUNCTION REFERENCE
DTB START DIRECTLY AFTER DELAY TIME (STARTS)
DELAY TIME
TRACK
ST6750