Sandia Aerospace STX 165 Installation Manual User Manual
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3.10.2 TEMPERATURE UNIT
If the optional OAT probe is installed, this page changes the Temperature display to the pilot between
Fahrenheit and Celsius. All Temperature functions will be set to the selected unit.
1
Rotate the Data knob unit the Temperature Unit page is displayed.
2.
Rotate the Select knob counter clockwise to select Celsius and clockwise to select Fahrenheit.
3.10.3 ICING ALERT TEMP
If the optional OAT probe is installed, this page selects the temperature at which the Icing Alert Icon is
displayed.
1.
Rotate the Data knob until the Icing Alert Temp page is displayed.
2.
Press the Enter Pushbutton. This extinguishes the brackets and alert temp will be blinking.
3.
Rotate the Data knob until the desired Icing alert Temp is displayed. The set range is 32o to 41o
F or 0o to 5o C.
4.
Press the Enter Pushbutton.
3.10.4 EFT START
The EFT (Elapsed Flight Time) can be set to begin counting at unit turn on or at a prespecifi ed altitude
after take off. The altitude after take off is the differential altitude from where the aircraft was tuned on
as sensed by the internal encoder.
1.
Rotate the Data knob to select the EFT Start Alt page.
2.
Press the Enter pushbutton. The brackets will extinguish and the data will blink.
3.
Rotate the Data knob to select the differential altitude at which you wish the EFT timer to begin
counting. Note that if you select 0 feet, the EFT will begin counting at unit turn on.
4.
Press the Enter pushbutton to select the EFT Altitude.
3.10.5 AUTO MODE C ALT
The STX 165 can be set to automatically select Mode C either at turn on or at a pre specifi ed altitude
after take off. The altitude after take off is the differential altitude from where the aircraft was tuned
on as sensed by the internal encoder. This function can also be turned off, in which case it will turn on
and stay in the SBY Mode until the pilot selects an alternative mode.
1.
Rotate the Data knob until the Auto Mode C Alt page is selected.
2.
Press the Enter pushbutton. The brackets will extinguish and the data will blink.
3.
Rotate the Data knob to select the differential altitude at which you wish the Mode C to be auto-
matically selected. Note that if you select 0 feet, Mode C will be selected at unit turn on.
4.
Press the Enter pushbutton to select the EFT Altitude.
3.10.6 MIN BRIGHTNESS
The STX 165 uses a photo cell to sense the ambient light conditions and automatically adjust the
brightness of the display. This page allow the pilot to set the minimum brightness of the display to
match other panel displays or his preference. Note that the maximum brightness is preset at the factory
and not adjustable.
1.
Rotate the Data knob to display the MIN Brightness page.
2.
Press the Enter pushbutton. The brackets will extinguish and the display will show the level of
the minimum brightness selected.
3.
Rotate the Data knob clockwise to increase the minimum brightness and counter clockwise to
decrease the minimum brightness to the desired level.
4.
Press the Enter pushbutton.
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