DIVIMATH HDZero Manual do utilizador - Página 10
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DEMUX
Expansion
Module In
Analog
Composite Video
Fan Management
There is one fan on the top of the goggle and one fan on each side of the goggle. All fans are
soft mounted to reduce vibration and noise. There are three temperature sensors on top and
sides of the goggle.
These fans are critical to goggle performance:
The top fan provides cooling for the OLED displays and defogging for the optical lens;
-
The side fans provide cooling for the IO and RF boards inside the goggle
-
They will prevent goggle from being too hot, improving OLED life span and ensuring maximum
HDZero RF performance.
Each fan can be set to a 0-5 level, corresponding from off state to max speed.
There are two fan control modes:
Automatic mode: Goggle firmware will automatically speed up/down the fan on each
-
side;
Manual mode: You can manually set the speed for each fan. (0=off, 5=max);
-
Regardless of the current mode, the goggle firmware will enter into rescue mode under
-
these situations:
o
temperature sensor on top reports hot: top fan goes to max speed;
o
temperature sensor on left/right reports hot: left/right fan goes to max speed;
Please note that only the side fans have automatic mode. The top fan is always in manual mode
unless it is in rescue mode.
You can change the top fan speed by pressing and holding the Func Button while in the Video
view. You can monitor the fan speed changes on the goggle OSD to quickly change the amount
of air blowing onto your face and the optic lenses.
Note: It is recommended to use automatic mode for side fans, and set top fan speed as desired.
Video Decoder
w/ adaptive
De-Interlacer
Comb Filter
720x240x60
Field per second
FIG 4. Signal Processing Path for Analog Input
10
Up
Scaler
1280x720x60
720x480x60
Frame per second
Frame per second
DVR
OLED