RS PRO 123-6438, Quick Start Manual

Page: 17 / 152

17
Function Introduction of Front Panel
Vertical Control
CH1 CH2 CH3 CH4
: I nput channels. These four channels
are marked with different colors to distinguish different input
channels and their waveforms. Press the channel button will turn on
the corresponding channel as well as its menu, and press it twice
continuously will turn off the channel.
MATH
:
Press the button to open corresponding math menu under
which the operation of adding, subtracting, multiplying, dividing and
FFT can be performed.
REF
:
Press the button to enable the reference waveform function,
this is used to compare the current waveform with the reference
waveformto decide circuit failures.
:
Modify the vertical position of current waveform. Turn
clockwise to increase the position while turn anticlockwise to
decrease. The waveform will move up and down and the position
message at the lower-left corner of the screen will change along.
Press down the knob to quickly reset the vertical position to zero.