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Mode S Data Transmission

In addition to 4096 code and pressure altitude, the GTX 328 is capable of transmitting 

aircraft identification, transponder capability and maximum speed range.  “Aircraft 
Identification” is commonly referred to as 

FLT ID

 (Flight Identification).  The GTX 328 may 

be configured by the installer to allow the flight crew to enter 

FLT ID

 for each flight.  An 

example is when air-carrier service requires changing the 

FLT ID

.

The 

FLT ID

 may consist of the aircraft registration or a flight number as agreed upon with 

the local aviation authority.  In either case, the 

FLT ID

 must be the same aircraft identification 

that appears in the flight plan to correlate the aircraft identification seen on ATC radar with the 
correct voice call sign for the aircraft.  If no flight plan is filed with the aviation authority (as 
may be permitted by regulations), the 

FLT ID

 entered is the aircraft registration marking.

When flight crew entry of the 

FLT ID

 is not required, the installer configures the 

system to report the aircraft identification according to local aviation requirements.  In this 
configuration, alteration of the 

FLT ID

 by the flight crew is not possible.

Entering a Flight ID Number

When configured for 

FLT ID PWR-UP ENTRY

 at installation, the flight crew must enter 

the Flight ID before the GTX 328 will operate.  After the flight crew enters the correct Flight 
ID, the aircraft identification that is transmitted in response to ATC radar interrogations is 
properly correlated with the associated call sign for voice communication with the aircraft.

If the 

FLT ID PWR-UP ENTRY

 is required but does not appear at power up, contact a 

Garmin authorized service center for GTX 328 configuration.

No space is needed when entering Flight ID characters.  When a Flight ID contains a 

space, the GTX 328 automatically removes the spaces upon completion of Flight ID entry.

At system power-up the 

FLT ID

 may 

appear with no number (as shown) or with the 
last 

FLT ID

 entered.  The cursor covers the 

entire 

FLT ID

 field.

If the Flight ID appearing at turn-on is 

correct, press the 

CRSR

 Key to move the cursor 

to the “OK?” field.  Press 

CRSR

 again to accept 

the 

FLT ID

.  The transponder then begins 

normal operation.

When no 

FLT ID

 appears or the 

FLT 

ID

 must be changed, press the number keys 

corresponding to the alphanumeric character 
entry.  For example, to enter the letter “R” press 
the 

5

 Key four times.

Содержание 328

Страница 1: ...Mode S Transponder pilot s guide GTX 328 ...

Страница 2: ... BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT PLEASE READ THIS AGREEMENT CAREFULLY Garmin grants you a limited license to use the software embedded in this device the Software in binary executable form in the normal operation of the product Title ownership rights and intellectual property rights in and to the Software remain in Garmin You acknowledge that the Softw...

Страница 3: ...UCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY To obtain warrant...

Страница 4: ...ure The ALT mode may be selected in aircraft not equipped with an optional altitude encoder however the reply signal will not include altitude information Any time the function ON or ALT is selected the transponder becomes an active part of the Air Traffic Control Radar Beacon System ATCRBS The transponder also responds to interrogations from TCAS equipped aircraft Code Selection Code selection is ...

Страница 5: ...e factory Pressing the VFR Key again restores the previous identification code If the VFR Key is disabled dependent upon installation configuration a VFR Key Disabled message appears to indicate that no operation took place FUNC Changes the page shown on the right side of the display Display data includes Pressure Altitude Flight Time Altitude Monitor Count Up and Count Down timers Also displays Out...

Страница 6: ...CLR and CRSR keys The initial Count Down time is entered with the 0 9 keys CONTRAST This page is only displayed if manual contrast mode is selected during installation configuration Contrast is controlled by the 8 and 9 keys DISPLAY This page is only displayed if manual backlighting mode is selected during installation configuration Backlighting is controlled by the 8 and 9 keys Altitude Trend Indic...

Страница 7: ...timer to zero To operate the Count Down timer 1 Press the FUNC Key until COUNT DOWN is displayed 2 Press CRSR and use the 0 9 keys to set the initial time All digits must be entered use the 0 Key to enter leading zeros 3 Press START STOP to begin count down 4 Press START STOP again to pause the timer 5 When the Count Down timer expires the COUNT DOWN banner is replaced with a flashing EXPIRED and t...

Страница 8: ...nfiguration alteration of the FLT ID by the flight crew is not possible Entering a Flight ID Number When configured for FLT ID PWR UP ENTRY at installation the flight crew must enter the Flight ID before the GTX 328 will operate After the flight crew enters the correct Flight ID the aircraft identification that is transmitted in response to ATC radar interrogations is properly correlated with the associ...

Страница 9: ... FLT ID When FLT ID entry is complete the transponder begins normal operation If an error is made while entering a FLT ID press the CLR Key to back up to any point including highlighting the OK field If an incorrect FLT ID is discovered after the unit begins operation turn the GTX 328 off Then turn it back on again and reenter the correct FLT ID Audio Alerts Setting options male female voice or ton...

Страница 10: ...l Inc 1200 East 151st Street Olathe Kansas 66062 U S A Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9AQ U K Garmin Corporation No 68 Jangshu 2nd Road Shijr Taipei County Taiwan www garmin com Part Number 190 00420 03 Rev A ...

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