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GB-15
Settings
Basic Operation
Preparations
Introduction and Pr
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Troubleshooting and Specification
Safety Warnings
Brightness / Contrast / Colour / Tint
Select the item you want to change and press the
/
button to display a bar. Press
the / button to adjust the level from 0-40.
Time
Press the
/
button to highlight the year / month / day / hour / minute / second
option you want to set. Press the / button to adjust the digit and then press the
/
button again to donfirm.
Finally select “Save Time” and press the / button to activate the new time.