Fluke PM3370B Hunting Equipment User Manual


 
5 - 4 FUNCTION REFERENCE
ADD INVERT SUBTRACT
Description:
The CH1 + CH2 (CH3 + CH4) key in the control section for CH1 (CH3) can be
used to display additional traces of the sums of these channels. CH3 + CH4 is
only present in the 4 channels models.
The invert key (INV) in the control section for CH2 (CH4) can be used for signal
inversion.
A differential mode is provided by adding CH1 (CH3) and ’Inv’ CH2 (CH4) together.
In analog mode the two channel and the added trace are displayed at the same
time. In digital mode however channel and added trace are displayed separately.
Switching between both is done with the CH1+CH2 (CH3 + CH4) toggle key.
Activating the function will turn off AUTO RANGE AMPL.
Suppression of common mode
components in two signals using the
differential mode.
Key sequence:
Toggle key to switch the addition of CH1 and CH2 or CH3
and CH4 on/off
Toggle key to switch the inverted display of CH2 (CH4)
on/off
CH1
CH2
CH1-CH2
ONLY THE SQUARE
WAVE WILL BE
DISPLAYED.
MAT4202
CH... + CH...
INV