Jaycar Electronics DS-8704HI-S User Manual page 82

After you define the camera preview order, you can select preview mode to meet your
demand.
Save setup: Press "Confirm" button to confirm preview configuration and return
"Display" menu, press "Confirm" button to save changed parameters. Press "Cancel" or
[ESC] key to abort.
You can press [PREV] button to enter into live preview and change preview screen
mode.
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