Promax OD-610 User Manual page 56

Persist
►
When the Persist function is used, the persistence display effect of the
picture tube oscilloscope can be simulated. The reserved original data is
displayed in fade color and the new data is in bright color. Press the H2
button, the Persist menu will display at the right of screen. Press the F1
button, different persistence time can be chosen: OFF, 1second, 2second,
5second and Infinity. When the "Infinity" option is set for Persist time,
the measuring points will be stored till the controlling value is changed (see
Figure 48). By pressing the F2 button, the persistence will be cleared.
XY Format
►
This format is only applicable to Channel 1 and Channel 2. After the XY
display format is selected, Channel 1 is displayed in the horizontal axis and
Channel 2 in the vertical axis; the oscilloscope is set in the un-triggered
sample mode: the data are displayed as bright spots.
The operations of all control knobs are as follows:
The Vertical VOLTS/DIV and the VERTICAL POSITION knobs of
Channel 1 are used to set the horizontal scale and position.
The Vertical VOLTS/DIV and the VERTICAL POSITION knobs of
Channel 2 are used to set the vertical scale and position continuously.
June 2017
Figure 48. Infinite Persistence Display
.
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