ECOTEST SPECTRA MKS-11GN Operating Manual page 39

Figure 13 – Spectrum move mode
– allows you to view a particular spectrum channel. As you
move the device's joystick to the right moves the cursor five pixels
of the display rightwards, to the left - five display pixels leftwards.
Move the device's joystick up to move the cursor one display pixel
rightwards, down - one display pixel leftwards (Fig. 14):
Figure 14 – Cursor display
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