AVIQ Mk2 Quick User Manual page 76

You can also use the arrow on your remote control to open the OSD, and again
to open the detailed view and navigate inside it, and use the arrow repeatedly
to close the various OSD screens one by one. Use the button to close all OSD
screens at once.
Alternatively, you can use the and arrows on your remote control. This will
open the same OSD and will also show the channel list. Select another channel
and press OK to change channels quickly.
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