ALT-1 Operating Manual
Page 2
2 ALT-1 Layout
3 Main Display
The main displays can be toggled by pressing the F2/Down key.
3.1 Altitude and VSI display
This is the standard display for the ALT-1. Use the rotary control to adjust the local pressure setting.
Backlit Graphic LCD Display:
Contrast and backlight can be adjusted
in the menu system
Harness:
Harness connects to
power
Up/F1 Button:
Up button in menu system
Deviation mode:
Enter
reference altitude and
deviation band
Relative Mode:
Enter
reference altitude
Down/F2 Button:
Down button in menu
system
Main display scrolling
in normal mode
Rotary Control (Up/Down) & Enter Button:
Press the rotary control during normal mode to access the menu system. Rotate anti/clockwise
for up/down menu scrolling. During normal mode rotating the rotary control will adjust the local
pressure setting. Local pressure can be set in either mB or in “Hg.
Pressure Ports:
Pressure ports connect
to the static pressure
tube
LED Alarm:
The red LED will illuminate if the
deviation band has been exceeded
when using the deviation altitude mode
Altitude unit
Local pressure readout (either in
millibars or in inches of mercury)
Logarithmic analog
VSI indicator
Altitude relative to
mean sea level
Digital VSI readout
