A SERVICE OF

logo

Open as PDF
next previous
9 - AUX PAGES
178
190-00357-00 Rev C
CDI / Alarms Page
IfalowerCDIscalesettingisselected(i.e.,1.0or
0.3 NM), the higher scale settings are not selected
during ANY phase of flight. For example, if 1.0 NM
is selected, the 500W-series unit uses this for en
route and terminal phases and ramps down further
during an approach. Note that the Horizontal
Alarm (HAL) protection limits listed below follow
theselectedCDIscale,unlesscorrespondingight
phases call for lower HAL. For example, if the 1.0
NMCDIsettingisselected,full-scaledeection
duringapproachwillstillfollowtheapproachCDI
scale settings.
CDI Scale Horizontal Alarm
Limit
Auto (oceanic) 2.0 NM
±2.0 NM or Auto (en route) 2.0 NM
±1.0 NM or Auto (terminal) 1.0 NM
±0.3 NM or Auto
(approach)
0.3 NM
An“auto”ILSCDIselectionallowsthe500W-
seriesunittoautomaticallyswitchtheexternalCDI
fromtheGPSreceivertotheVLOCreceiver,when
intercepting the final approach course. Or, select
“manual”tomanuallyswitchtheexternalCDI
connection, as needed (using the CDI key). If the
unit is installed with a KAP140/KFC225 autopilot,
automatic switching will not take place.
SeeAUX
-Setup1forILSCDISelection details.
CDI scales and corresponding flight phases:
En Route
Terminal
Approach
(for each scale/phase to be available,
“Selected CDI” must be set to “Auto”)
Anarrivalalarm,providedontheCDI/Alarms
Page, may be set to notify you with a message when
you have reached a user-defined distance to the
final destination (the direct-to waypoint or the last
waypoint in a flight plan). Once you have reached
the set distance (up to 99.9 units), an “Arrival at
[waypoint]” message is displayed.
The Airspace Alarms fields allow you 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 you are 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 you are
more than 500 feet above or below an airspace, you
Setup 1 Page