ASTRO WM-3209, Instruction Manual

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Chapter 4 Description of Each Mode
105
The Pb and Pr waveform scales are displayed on the right side of the
waveform display screen. The scale reference point changes between 0
mV and 350 mV depending on the CTRposC setting for Gain/MAG.
The Y, G, B and R waveform scales are displayed on the left side of the
waveform display screen. They are not affected by the CTRposC setting
for Gain/MAG. The reference point is always 0 mV.
CAUTION