JVD RB3211 Bedienungsanleitung Seite 31

 Press and hold the "
backlight brightness will change according to the brightness of the ambient light. The darker the
ambient light, the darker the backlight brightness.
Projection description:
 Projections include time and temperature between IN and OUT. The display contents of IN and
OUT are switching display, which is switched every 5 seconds.
 The projection display brightness can be adjusted to 2 levels. Press "▲/Project" to adjust the
brightness:
Press 1x: low brightness
Press 2x: Close display
Press 3x: high brightness
 The projected display content can be rotated by 2 angles. Press and hold the "▲/Project" button
for more than 3 seconds to change the angle once. If you need to change again, you need to
release the button and hold it for 3 seconds.
 The effective distance of projection display is 1m to 3m. At night, there are no walls or ceilings of
light to clearly show what is projected.
Spare battery:
 The product needs to be loaded with a spare battery, otherwise the time, the set alarm time, and
the preset station will be reset when the DC is powered off.
"button for more than 2 seconds to display the " "icon, and the
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