Transponder Code Window
Displays current Transponder Code.

TCAS Selector

• OFF - The TCAS/ATC system is OFF
• TA - The TCAS/ATC system is ON and all Proximate Traffic and Traffic Advisory functions of TCAS are operable. Resolution Advisories and vertical guidance function are inhibited. Target symbols will be visible only when a TA is active.
• TA/RA - The TCAS/ATC system is ON and all Proximate Traffic, Traffic Advisory and Resolution Advisory functions of TCAS are operable. Target symbols will be visible only when a TA or RA is active.
• ABV / BLW - Vertical coverage of 9900' Above or Below airplane altitude. Opposite altitude remains 2700'.

IDENT Button
The crew can push this button which will send a signal to the ground radars and highlight the aircraft on the ATC screen.

Transponder Selector

• 1 - Selects transponder 1 and ADR 1
• 2 - Selects transponder 2 and ADR 2

Keypad
 

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Title
Layer7

• Title - Text.
• Title - Text.