EchoUAT Settings - (Required)
These settings are accessed via wi-fi using an Android or iphone/ipad and the Echo Install app, in the
“Installation” section of the app.
Echo UAT Setting
Required Setting
With EFIS controlling Safe-
Fly GPS
Required Settings*
No EFIS control of Safe-Fly
(Includes GRT Avionics WS and HS
display units)
Setup Source
EFIS (COM1)
App
Control Source
Set to “EFIS / Panel (COM1)” if
the squawk code controlled by
this display unit, or another
GRT display unit connected to
this via the inter-display link.
Set to “Transponder Monitor” if
the squawk code is set on the
transponder or otherwise not set
by the GRT EFIS.
Transponder Monitor
GPS Source
EFIS (COM1)
External GPS (Com2)
Traffic/Uplink Output
MFD (COM2)
MFD (Com2)
COM1 Rate
38400
38400
COM1 Data
81O
81O
COM1 PHY
RS-232
RS-232
COM1 Protocol:
TMAP
TMAP
COM2 Rate
115,200
115,200
COM2 Input Protocol
Not Applicable
NMEA
* Other settings are also required corresponding to airplane specific entries, such as aircraft type,
length, width, antenna offset, etc.
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Safe-Fly 2020 GPS – Rev P GRT Avionics, Inc
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