Garmin gps 400 Guida Utente

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GPS 400 Pilot’s Guide and Reference
8-20
SECTION 8 
AUX PAGES
8.4  SETUP 1 PAGE
The Setup 1 Page provides access (via menu options) 
to airspace alarms, CDI scale adjustment, an arrival alarm, 
units of measure settings, position formats, map datums, 
and  settings  for  local  or  UTC  time  display.    When  a 
menu option is selected, the corresponding page appears 
providing access to the various unit settings.
Selecting a menu option from the Setup 1 
Page:
1)  Press  the  small  right  knob  momentarily,  to 
activate the flashing cursor (Figure 8-51).
Figure 8-51  Setup 1 Page
Current Page Group 
Menu Options (to Select, Highlight 
with Cursor and Press the 
ENT Key)
Position of 
Current Page 
within Current 
Page Group
Number of Pages in 
Current Page Group
2)  Turn the large right knob to select the desired 
menu option (Figure 8-52), and press the ENT 
Key (Figure 8-53).
Figure 8-52  ‘Units/Mag Var’ Highlighted
Figure 8-53  Units/Mag Var Page
The following menu options are available:
•  ‘Airspace Alarms’ - Allows the pilot to turn the 
controlled/special-use airspace message alerts on 
or off.  This does not affect the alerts listed on the 
Nearest Airspace Page or the airspace boundaries 
depicted on the Map Page.  It simply turns on/off 
the warning provided when approaching or near 
an airspace.
  An altitude buffer is also provided which ‘expands’ 
the vertical range above or below an airspace.  
For example, if the buffer is set at 500 feet, and 
the aircraft is more than 500 feet above or below 
an airspace, the pilot is not notified with an alert 
message; if the aircraft is less than 500 feet above 
or below an airspace and projected to enter it, the 
pilot is notified with an alert message.  The default 
is 200 feet.
•  ‘CDI/Alarms’ - Allows the pilot to define the scale 
for the GPS 400’s on-screen course deviation 
indicator.  The scale values represent full scale 
deflection for the CDI to either side (Figure 
8-54).  The default setting is ‘Auto’.  At this 
setting, the CDI scale is set to 5 nm during the 
enroute/oceanic phase of flight.  Within 30 nm 
of the destination airport the CDI scale gradually 
ramps down to 1.0 nm (terminal area).  Likewise 
when leaving the departure airport the CDI scale 
is set to 1.0 nm and gradually ramps UP to 5 nm 
beyond 30 nm (from the departure airport).