Avionics Outputs; Annunciator Requirements - II Morrow Inc. Apollo SL50 GPS Installation Manual

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Position update interval ............................ 1 second typical
Datum ....................................................... WGS-84
A
O
VIONICS
UTPUTS
CDI L/R deviation .................................... ±150 mv full scale, will drive up to 200 ohm load
TO/OFF/FROM flag................................. ±250 mv, TO/FROM indication, will drive up to
Nav valid flag ........................................... +300 mv for valid indication, will drive up to 100
Nav superflag ........................................... Vin - 2 volts minimum for valid, source capability
Annunciators ............................................ Open collector outputs capable of sinking up to
A
R
NNUNCIATOR
The SL50 and SL60 installed for IFR operation require the following annunciators. Each
annunciator should include a lamp of the proper voltage for the installation.
Legend
MSG
PTK
OBS/HLD
The annunciators should be connected to a suitable dimming circuit for night time operation.
Apollo SL50 / SL60 Installation Manual
EQUIREMENTS
Color
amber
blue or white
blue or white
optional, to indicate waypoint sequencing hold, can be
combined with a momentary "
button
Example Annunciators
200 ohm load
ohm load
of 400 mA
400 mA for turning ON annunciator lamps
· MSG (message) ON indicates message(s) active
· PTK (parallel track) ON indicates parallel track
is enabled
· OBS/HLD (waypoint sequencing hold) ON
indicates waypoint sequencing is on hold
Specifications
" hold select push
WPT SEQ
31

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