GTX 330/330D Installation Manual 190-00207-02Page 5-16 Rev. USENSEThe sense setting sets the logic level to HIGH or LOW. With the sense set to HIGH the unit will go intoground mode when Pin 17 (SQUAT SWITCH IN) is pulled high. With the sense set to LOW the unit willgo into ground mode when Pin 17 (SQUAT SWITCH IN) is pulled low.NOTEThe sense setting (HIGH or LOW) does not affect the operation of the External SwitchState Page. Refer to Section 5.2.20 for information about the External Switch State Page.DELAY TIMEThis is the number of seconds the aircraft must be on the ground before the GTX 330 automaticallyswitches to GND mode when it has a means of determining the aircraft is on the ground. It has a range of0 (zero) seconds to 99 seconds, with the default set to 24 seconds.AUTO FLIGHT TIMERAvailable choices are MAN, CLEAR and ACCUM. Selecting CLEAR resets flight time to zero and startsthe flight timer when lift off is sensed.5.2.12 Temperature PageSENSOR INSTALLEDSets the Sensor to YES or NO. Default is NO.UNITSSets the units to degrees Fahrenheit or Centigrade. Default is degrees C.5.2.13 Mode S Address Entry PagesNOTEIt is VERY important to enter the Mode S address correctly in the GTX 330.When the unit is turned on for the first time, or an invalid address is recognized, the unit prompts the userto enter a valid aircraft address.Once the aircraft address is entered, the unit remains on in the same mode as before.Table 5-18 Auto Flight Timer SelectionsSELECTION DESCRIPTIONMAN Manual selection. DEFAULT. Flight timer START/STOP is controlledmanually by the pilot.CLEAR Automated flight timer START/STOP resets to zero at every lift off.ACCUM Automated flight timer START/STOP accumulates, meaning, it continuescounting up at lift off.TEMPERATURE Page
