DIVIMATH HDZero Manuale d'uso - Pagina 10

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AV in

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:

temperature sensor on top reports hot: top fan goes to max speed;

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

Scaler

1280x720x60

720x480x60

Frame per second

DVR

OLED