EDIATec ECW100 Instrukcja obsługi - Strona 10

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11. Aircraft Anti-Collision Warnings

An illuminated red LED indicates the approximate bearing to an aircraft currently posing

the biggest threat of collision. The bearing is relative to the track. This indication is inac-

curate if there is a strong wind, if the aircraft is in a sideways yaw, or if ground speed is

very low (e.g. when a helicopter is in the hover). The display is refreshed every second.

The unit emits an audio warning (beep) tone at the same time as the flashing red optical

warning. The time between the warning and possible collision is brief, just a few seconds.

Warnings of fixed obstacles are given slightly earlier.

Horizontal bearing indicated

The red LEDs show a compass rose, i.e. the birds view on the traffic situation. "Top" is

track-up according the own aircraft. Each LED covers an equal-sized horizontal sector of

36°.

 LED 1: 018° front right ~ 1 o'clock

 LED 2: 054° front right ~ 2 o'clock

 LED 3: 090° hard right 3 o'clock

 LED 4: 126° rear right ~ 4 o'clock

 LED 5: 162° rear right ~ 5 o'clock

 LED 6: 198° rear left ~ 7 o'clock

 LED 7: 234° rear left ~ 8 o'clock

 LED 8: 270° hard left 9 o'clock

 LED 9: 306° rear right ~ 10 o'clock

 LED 10: 342° rear right ~ 11 o'clock

The horizontal distance is indicated by 100 m steps (e.g. "1.2"

Danger indication

The threat collision with another aircraft will be flagged up by the red collision LEDs.

 moderate thread (less than 18 seconds to possible collision)

1 single LED lights up

 medium threat (less than 13 seconds)

2 LEDs light up

 imminent threat (less than 8 seconds)

3 LEDs light up

The threat is at the centre of the illuminated block. The flash frequency increases with

the threat.

Vertical indication

The vertical bearing is indicated by a vertical line of four red LEDs and show the relative

bearing to the flight level, not the aircraft altitude. The uppermost or lowest LEDs illumi-

nate when the bearing exceeds 14°. The LED flash frequency is identical and synchro-

nous with that of the horizontal display.

Traffic indication (only in Nearest-mode)

In Nearest-mode the closest aircraft is shown as long at no warning is necessary. Traffic

indications don't flash, there is no sound and the distance is not shown.

 ˆ

1'200 m).

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