G1000TM Transponder Pilot’s Guide 应答机飞行员指南(3)

Figure 5.2.6  Entering a Code

NOTE: When entering a code, press the BKSP (backspace) softkey to back up and change code digits.

VFR Code
The VFR code can be entered either manually, each digit at a time, or by pressing the XPDR softkey, then the VFR softkey. When the VFR softkey is pressed, the pre-programmed VFR code is automatically displayed in the code .eld of the Transponder Status bar.
Pressing the VFR softkey again restores the previous identi.cation code.

NOTE: The pre-programmed VFR code is set at the factory to 1200.

Important Codes
Following is a list of important codes:
.  
1200 – VFR code in the U.S. (refer to ICAO standards for VFR codes in other countries).

.  
7000 – VFR code commonly used in Europe (refer to ICAO standards).

.  
7500 – Hijack code.

.  
7600 – Loss of communication code.

.  
7700 – Emergency code.

.  
7777 – Military interceptor operations code (NEVER SQUAWK THIS CODE).

.  
0000 – Code for military use in the U.S.

IDENT FUNCTION
Pressing the IDENT softkey sends an ID indication to Air Traf.c Control (ATC). The ID return distinguishes your transponder from all others on the air traf.c controller’s radar screen.
The IDENT softkey appears in all levels of transponder softkeys. When the IDENT softkey is pressed, a green IDENT indication is displayed in the mode .eld of the Transponder Status bar for a duration of 18 seconds.

Figure 5.2.7  IDENT Indication
When the IDENT softkey is pressed while in Mode or Code Selection, the system reverts to the Top-level softkeys.

NOTE: In Standby mode, the IDENT softkey is inoperative.

190-00382-00 Rev. D  Garmin G1000 Transponder Pilot’s Guide

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. 2005 Garmin Ltd. or its subsidiaries 190-00382-00 Rev. D