Dynon Avionics EFIS-D100 User manual

EFIS-D100
Installation Guide
This product is intended for the experimental aircraft category and is not approved for
installation in certified aircraft
Revision B
10/4/2006
Copyright © 2006 by Dynon Avionics

Contact Information
Dynon Avionics, Inc.
Woodinville, WA 98072
[phone]
www.dynonavionics.com
Copyright
©2006 Dynon Avionics. All rights reserved. No part of this manual may be reproduced, copied,
transmitted, disseminated or stored in any storage medium, for any purpose without the express
written permission of Dynon Avionics. Dynon Avionics hereby grants permission to download a
single copy of this manual and of any revision to this manual onto a hard drive or other
electronic storage medium to be viewed for personal use, provided that such electronic or printed
copy of this manual or revision must contain the complete text of this copyright notice and
provided further that any unauthorized commercial distribution of this manual or any revision
hereto is strictly prohibited.
Information in this document is subject to change without notice. Dynon Avionics reserves the
right to change or improve its products and to make changes in the content without obligation to
notify any person or organization of such changes. Visit the Dynon Avionics website
(www.DynonAvionics.com) for current updates and supplemental information concerning the
use and operation of this and other Dynon Avionics products.
Limited Warranty
Dynon Avionics warrants this product to be free from defects in materials and workmanship for three years from date of shipment. Dynon
Avionics will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge
to the customer for parts or labor. The customer is, however, responsible for any transportation cost. This warranty does not cover failures due to
abuse, misuse, accident, improper installation or unauthorized alteration or repairs.
THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE, AND IN LIEU OF ALL OTHER WARRANTIES
EXPRESSED OR IMPLIED, INCLUDING ANY LIABILITY ARISING UNDER WARRANTY OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, WHICH
MAY VARY FROM STATE TO STATE.
IN NO EVENT SHALL DYNON AVIONICS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT OR CONSEQUENTIAL
DAMAGES, WHETHER RESULTING FROM THE USE, MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN
THE PRODUCT. SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE
ABOVE LIMITATIONS MAY NOT APPLY TO YOU.
Dynon Avionics retains the exclusive right to repair or replace the instrument or firmware or offer a full refund of the purchase price at its sole
discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.
These instruments are intended for experimental aircraft only at this time. Dynon Avionics makes no claim as to the suitability of its products in
connection with FAR 91.205
For warranty information please contact:
Dynon Avionics, Inc.
19825 141st Place NE
Woodinville, WA 98072
PH: [phone] FAX: [phone]

EFIS-D100 Installation Guide v
Table of Contents
Contact Information......................................................................................................................................................iii
Copyright......................................................................................................................................................................iii
Limited Warranty .........................................................................................................................................................iii
1. Introduction 1-1
Description ................................................................................................................................................................ 1-1
2. Wiring 2-1
Recommended Wiring Practices................................................................................................................................ 2-1
Power Requirements.................................................................................................................................................. 2-1
25-Pin Female EFIS Harness..................................................................................................................................... 2-2
Wiring System Overview .................................................................................................................................. 2-4
3. Instrument Installation 3-1
Selecting a Remote Compass Module Location ........................................................................................................ 3-1
EDC-D10A Communication Cable ........................................................................................................................... 3-2
Power Inputs.............................................................................................................................................................. 3-3
Serial Communication Cable..................................................................................................................................... 3-4
EFIS Serial Harness........................................................................................................................................... 3-4
EFIS and EMS Intercommunication.................................................................................................................. 3-4
SL30 and/or GPS connection..................................................................................................................................... 3-5
If you own only an EFIS-D10A or EFIS-D100................................................................................................. 3-5
If you own only an EMS-D10 or EMS-D120.................................................................................................... 3-5
If you own an EMS and an EFIS (Not FlightDEK-D180)................................................................................. 3-5
If you own Only a FlightDEK-D180 ................................................................................................................. 3-6
If you own a FlightDEK-D180 and an EFIS ..................................................................................................... 3-6
Altitude Encoder Wiring ........................................................................................................................................... 3-6
Serial Altitude Formats...................................................................................................................................... 3-7
Audio Alert Output.................................................................................................................................................... 3-8
Dynon Smart Avionics Bus (DSAB) Wiring............................................................................................................. 3-9
Panel Location and Mounting...................................................................................................................................3-10
Connecting Static & Pitot Lines ...............................................................................................................................3-11
4. EFIS Calibration and Configuration 4-1
Ensuring Proper Installation ...................................................................................................................................... 4-1
Setting Zero Pitch (In flight)...................................................................................................................................... 4-1
Compass Heading Calibration ................................................................................................................................... 4-1
Setting Magnetic Inclination Angle (Required)................................................................................................. 4-1
EDC-D10A Heading Calibration (on ground only)........................................................................................... 4-2
Configure Airspeed Color Thresholds....................................................................................................................... 4-4
5. Appendix 5-1
Appendix A: Instructions for Continued Airworthiness............................................................................................ 5-1
Introduction ....................................................................................................................................................... 5-1
Caution .............................................................................................................................................................. 5-1
Instructions for continued airworthiness............................................................................................................ 5-1
Altimeter Check................................................................................................................................................. 5-1
Internal Battery Check....................................................................................................................................... 5-1
Firmware Upgrade............................................................................................................................................. 5-2
Internal Error Messages..................................................................................................................................... 5-2
Troubleshooting Guide ...................................................................................................................................... 5-4
Instructions for Return....................................................................................................................................... 5-5
Appendix B: Dynon OAT Probe Installation and Usage........................................................................................... 5-6

Table of Contents
vi EFIS-D100 Installation Guide
Tools and Materials Required............................................................................................................................ 5-6
Installation ......................................................................................................................................................... 5-6
OAT/TAS/DA Display...................................................................................................................................... 5-7
Calibration and Adjustment............................................................................................................................... 5-8
Troubleshooting................................................................................................................................................. 5-8
Appendix C: Dynon AOA/Pitot Installation and Calibration Guide ......................................................................... 5-9
Tools and Materials Required............................................................................................................................ 5-9
Dimensions.......................................................................................................................................................5-10
Installation ........................................................................................................................................................5-11
Pressure Check .................................................................................................................................................5-11
Calibration ........................................................................................................................................................5-11
Alarm Setup......................................................................................................................................................5-12
Appendix D: Encoder Serial-to-Gray Code Converter Installation ..........................................................................5-13
Introduction and Description ............................................................................................................................5-13
Tools And Equipment.......................................................................................................................................5-13
Electrical Installation........................................................................................................................................5-13
Recommended wiring practices........................................................................................................................5-13
Step 1: Transponder Wiring..............................................................................................................................5-13
Step 2: Connecting to the EFIS-D100 ..............................................................................................................5-14
Step 3: EFIS-D100 Encoder Format.................................................................................................................5-15
Appendix E: Replacing the EFIS-D100 battery pack ...............................................................................................5-16
Appendix F: Weights................................................................................................................................................5-16
Appendix G: EFIS-D100 Specifications...................................................................................................................5-17

EFIS-D100 Installation Guide 1-1
1. INTRODUCTION
This manual presents information about the physical, electrical, and plumbing installation of the
EFIS-D100, EDC-D10A and optional AOA pitot probe purchased from Dynon Avionics.
Additionally, this guide deals with setting up the installation-dependant firmware options.
Because you may not have purchased all the components, you need only read through the
relevant sections of this guide. Information about the operation of this instrument can be found
in the EFIS-D100 Pilot’s User Guide.
Description
The EFIS-D100 uses solid-state sensor technology to give an accurate and easy-to-understand
display. To ensure accuracy in its readings, it is very important that you install the instrument
correctly and perform the specified calibration steps. This installation guide will help you
through that process.

EFIS-D100 Installation Guide 2-1
2. WIRING
Please follow these instructions explicitly as improper wiring can result in permanent damage to
your instrument and/or the accompanying sensors.
All electrical power and EFIS-specific lines interface with the EFIS-D100 via the female 25-pin
D-sub connector on the back of the instrument. Ensure that the unit powers on and that all
indicators display expected values before completing the final physical assembly.
Recommended Wiring Practices
NOTE: For all electrical connections, use correct wiring techniques, taking care to properly
insulate any exposed wire. A short circuit between any of the wires may cause damage to the
EFIS-D100 and/or your airplane. Make all connections to your harness before plugging it into
any of the components of the system. Do not make connections while power is applied at any
point in the system.
Dynon Avionics supplies optional wiring harnesses for all connections of the EFIS-D100. The
harnesses are made up of 22 AWG wire and meet Mil Standard MIL-W-22759/16 (Tefzel
insulation). If you have opted not to purchase these harnesses, please refer to the provided wiring
diagrams for construction information.
Route all wiring such that there are no spots where it could chafe or break. Use appropriate strain
relief at all junctions between wires and connectors. We recommend that you secure all wires at
regular intervals along wiring runs to accommodate vibration effects.
All connections on the EFIS female 25-pin harness are described in the Instrument Installation
section on page 3-1.
Power Requirements
22 AWG wire is normally sufficient for the power supply and ground lines, but you should
consult a wire sizing chart and determine the size required for your routing length. Make sure
you protect the power lines with either a circuit breaker or an appropriately sized fuse for the
wire you select. Power is fed to the EFIS-D100 via pins in the female DB25 connector as shown
on the 25-Pin Female EFIS Harness diagram on page 2-2
The EFIS-D100 system-wide power requirement is 12 watts typical and 17 watts maximum. On
a 12-volt system, this translates to about 1.5 amps of maximum current draw. On a 24-volt
system, this translates to about 0.75 amps max current draw. Normally, a 3-amp circuit breaker
or fuse is sufficient.
We recommend that all wire you use meets Mil Standard MIL-W-22759/16 (Tefzel insulation);
all wire supplied by Dynon Avionics (with the exception of thermocouple wire, which uses FEP
insulation) meets this specification.

Wiring
2-2 EFIS-D100 Installation Guide
25-Pin Female EFIS Harness
Below is the wiring diagram of the EFIS 25-pin female harness. If you purchased your harness
from Dynon Avionics, it is color coded according to the chart on the following page.

Wiring
EFIS-D100 Installation Guide 2-3
The pin assignments for the female 25-pin harness are
repeated below. Note that the pin numbers are labeled on
the face of both the female and male connector. Each
connection on the harness supplied by Dynon is color-
coded. These colors are listed in the following chart.
Female
DB25
Pin #
Dynon Harness Wire
Color Function Details
1 Red Master Power (10-30 volts) Page 3-3
2 Yellow
Keep Alive Power (10-30 volts,
always on)
Page 3-3
3 Black Master Ground Page 3-3
4 Green DSAB-A Page 3-9
5 Blue DSAB-B Page 3-9
6 N/A No Connect
7 N/A No Connect
8 N/A No Connect
9 White (bundled) PC Serial Ground Page 3-4
10 White (bundled)
EFIS-D100 Transmit / PC Serial
Receive (RS-232)
Page 3-4
11 White/Orange (Red on some
harnesses) EDC-D10A Data B Page 3-1
12 White/Blue (Black on some
harnesses) EDC-D10A Power (12V) Page 3-1
13 Blue/White (black on some
harnesses) Serial Encoder Transmit (RS-232) Page 5-13
14 N/A No Connect
15 N/A External Backup Power Page 3-3
16 Black Ground
17 N/A No Connect
18 Green Audio out Page 3-8
19 N/A No Connect
20 N/A No Connect
21 White (Bundled in Encoder
cable) Serial Encoder Ground Page 5-13
22 White (Bundled)
EFIS-D100 Receive / PC Serial
Transmit (RS-232)
Page 3-4
23 White/Green (Green on some
harnesses) EDC-D10A Data A Page 3-1
24 White EDC-D10A GND Page 3-1
25 N/A No Connect
Figure 1: Rear view of female D-25
connector

Wiring
2-4 EFIS-D100 Installation Guide
WIRING SYSTEM OVERVIEW
The following block diagram depicts the basic layout of the EFIS electrical connections and is
for reference only. Read the specific instructions for each connection prior to installation. The
colors shown refer to the Dynon-supplied EFIS harness.

EFIS-D100 Installation Guide 3-1
EDC aligned within 1 degree of pitch
with EFIS-D100
3. INSTRUMENT INSTALLATION
This section provides you with the information needed to physically and electrically install the
EFIS-D100.
Selecting a Remote Compass Module Location
Finding a good location for the EDC-D10A remote
compass module is critical to an accurate EFIS-
D100 heading display. Keep in mind that calibration
can compensate for small static magnetic fields
superimposed upon the earth’s field; it cannot take
into account dynamic effects like AC currents, non-
constant DC currents and non-stationary ferrous
material (e.g., an electric turn coordinator). Use the
following suggestions to help you find a good
location for your EDC-D10A.
•Keep the EDC-D10A away from any source of
magnetic fields (such as electrical equipment
and current-carrying wires) and ferrous material.
•Move a handheld compass throughout
the space surrounding your location to
get a rough idea of the suitability of
your chosen location. If the needle
deviates significantly from true North
in any given area, that location
would not be ideal for the EDC-
D10A.
•The EDC-D10A can be mounted
anywhere in the aircraft (away
from magnetic interference) such
that its pitch is as close to that of
the EFIS-D100 as possible. It
does not need to be directly
along any axis of the EFIS-
D100. It should be mounted with the long
axis parallel to the wings, the electrical
connector facing toward the front of the
plane, and the mounting tabs on the
bottom. The bracket used to hold the
EDC-D10A must hold the EDC-D10A at
the same pitch, roll, and yaw as the EFIS-
D100 with respect to the airframe. We
recommend you use an electronic level
that reads to 1/10 of a degree to make sure
Connector forward and
tabs mounted down
Connector toward
direction of flight

Instrument Installation
3-2 EFIS-D100 Installation Guide
the EDC-D10A is aligned with the EFIS-D100 to better than 1 degree.
•All mounting hardware needs to be made from non-ferrous material such as aluminum,
plastic, or brass. Many stainless steel screws are magnetic. If the item is attracted to a
magnet, it should not be used in the installation. The EDC-D10A needs to be mounted in a
location as free from magnetic interference as possible. This means keeping the EDC-D10A
away from any ferrous nuts, bolts, and screws, aircraft tubing, as well as from wires or
devices carrying any appreciable current such as strobe light wiring, autopilot servos, or
other electronics.
EDC-D10A Communication Cable
WARNING! DO NOT ATTEMPT TO POWER UP THE EFIS-D100 WITH THE EDC
CABLE LEADS EXPOSED (UNSHEATHED) AND NOT INSTALLED IN THE DB9
CONNECTOR. SHORTING THESE CONNECTIONS WILL CAUSE DAMAGE TO
THE UNIT.
Like the RS-232 PC Communication cable, the EDC-D10A communications cable terminates in
a standard female DB9 connector. While they look similar, do not plug the EDC cable into a PC
or vice versa. The following table outlines the four connections that must be made to ensure
proper communication between the EFIS-D100 and the EDC-D10A remote compass module.
The Dynon-supplied harness colors are listed, as well.
EFIS
DB25 pin# EDC DB9 pin# Function Wire color
11 5 EDC Data B White/Orange (or Red)
12 6 EDC Power White/Blue (or Black)
23 9 EDC Data A White/Green (or Green)
24 1 EDC Ground White
The EDC cable in the harness supplied by Dynon consists of 4 conductors, surrounded by a
metal shield and white insulation. These 4 wires are terminated with crimped female D-sub pins
wrapped in plastic tubing. If you are building your own cable, we recommend that you use
shielded cable as well.
•With the 25-pin EFIS harness disconnected from the EFIS-D100, carefully cut or pull the
tubing off the 4 D-sub pins.
•Route the cable to the EDC-D10A mounting location chosen according to the instructions
above.
•Install the female pins in the correct holes on the included DB9 connector, according to the
chart above. Note that Dynon has shipped harnesses with different colors for the EDC
cable; determine your connections using the two sets of colors in the table above.
•Install the back shell around the DB9 connector.
Correct wiring installation can be easily verified once completed. Power on the EFIS-D100 with
the EDC-D10A connected to it. Observe the displayed heading and then hold one of the
earpieces of a headset near the front of the EFIS-D100. If the EDC-D10A is correctly wired, you
should see no change in the displayed heading when the headset earpiece and its magnetic

Instrument Installation
EFIS-D100 Installation Guide 3-3
speaker is near the EFIS-D100. If you see a substantial change in heading, there is a
communication problem between the EFIS-D100 and the EDC-D10A.
The metal shield around the EDC communication cable is connected to the short black/white
wire emanating from the DB25. Connect this wire to ground.
Power Inputs
The EFIS-D100 has three separate power inputs, located on the DB25 EFIS connector. Of the
three, only Master Power is required to operate the instrument. The other two inputs provide
redundancy. Below is a table that explains the three inputs and their purposes. All three of these
inputs share a common ground signal, wired to pin 3 on the EFIS connector.
EFIS
DB25
pin#
Function EFIS DB25 wire
color Description
1 Master
Power
Red Provides primary power to the instrument.
The EFIS-D100 will switch on upon
application of Master Power.
2 Keep Alive
Power
Yellow A very low current power input which is only
used if both Master and External Backup
Power are not applied. Keep Alive draws just
enough current to keep the clock running and
keep the battery charged. It draws less than 1
milliamp of current when not charging the
internal battery. When charging a completely
dead internal battery, the Keep Alive line can
draw an average of 0.6 amps at 12 volts for 18
hours. If you have the internal battery and do
not wish the EFIS-D100 to draw current from
your plane’s battery, you do not need to
connect Keep Alive. The internal battery will
maintain charge without Keep Alive
connected as long as the master switch power
is turned on for at least 1 hour per month.
3 Master
Ground
Black Connect to your master avionics bus ground.
Must carry as much as 3 amps.
15 External
Backup
Power
(Not wired in
Dynon harness)
Will operate the EFIS-D100 only if Master
Power is not present. The transition from
Master Power to External Backup Power will
bring up a warning, requiring you to press
ACK within 30 seconds to keep the unit
operating. This warning will also display
when transitioning from either Master or
External Backup to Internal Battery power.

Instrument Installation
3-4 EFIS-D100 Installation Guide
Serial Communication Cable
The EFIS-D100 has one RS-232 serial port for PC communication. This serial port is used for
updating the EFIS-D100’s firmware and checklists. It is also used for logging all EFIS-related
data.
If you do not have a serial port on your PC, use the included USB-to-Serial adapter to connect
the EFIS-D100 to your PC’s USB port. Ensure that the adapter driver CD is inserted in your PC
before plugging the adapter into the USB port for the first time. Also, do not have your EFIS-
D100 plugged into the USB-to-Serial while installing the driver.
EFIS SERIAL HARNESS
On the EFIS 25-pin wiring harness
available from Dynon, there are three
wires bundled together, terminating in a
standard DB9-pin female connector. This
cable is 6’ long and pre-assembled for
connection to a PC-based laptop. Route
this cable to a convenient location that
can be accessed whenever you need to
update your product’s firmware or
checklists.
If you did not purchase a harness from Dynon, obtain a 9-pin D-sub connector and make the
three connections shown in the table.
Using this cable, you can connect your EFIS-D100 to a computer to upload new firmware and
checklists, as well as log EFIS-related data. The format for the data output by this port is found
in the EFIS-D100 Pilot’s User Guide.
Connect your EFIS to your PC and verify connectivity by detecting firmware version using the
Dynon Support program. For more information, see the help file included in the Dynon Product
Support program. This software can be found at http://dynonavionics.com/downloads.
EFIS AND EMS INTERCOMMUNICATION
Prior to the full release of Dynon’s DSAB network capability, you can swap screens between
Dynon products using their serial communications ports. To connect your EFIS-D100 to a
Dynon Avionics EMS product (EMS-D10, EMS-D120, or FlightDEK-D180), you will need to
obtain both a null modem connector (Radio Shack p/n 26-264) and a DB9 male to male gender
changer (Radio Shack p/n 26-231). Plug the EMS product into one side of the gender changer.
Plug the other side of the gender changer into the null modem. Plug the other side of the null
modem into your EFIS-D100. This will establish communication between the two devices,
allowing you to view EFIS screens on the EMS products. You will need to disconnect this setup
anytime you wish to connect either instrument to a PC. To display EMS screens on an EFIS
product, you will have to connect their DSAB lines together as described in the Dynon Smart
Avionics Bus (DSAB) Wiring section on page 3-9.
EFIS
DB25
pin#
DB9
Pin Function Wire Color
9 5 Signal ground White
10 2 EFIS-D100 transmit
/ PC receive
White
22 3 EFIS-D100 receive /
PC transmit
White

Instrument Installation
EFIS-D100 Installation Guide 3-5
SL30 and/or GPS connection
Depending on the number and types of Dynon units you own, you have several options for
connecting a GPS unit and/or Garmin/Apollo SL30 to your Dynon system. The GPS can be used
as a data source for both the HSI and Fuel pages. The SL30 can be used as a VOR, localizer, or
ILS (localizer + glideslope) source for the HSI. If you wish to connect a GPS and/or SL30 to
your Dynon system, read the section below which corresponds to your set of Dynon products.
To fully use the GPS-related features on your EFIS and/or EMS, your GPS must output either
“aviation format” or the following NMEA sentences in its serial stream: $GPRMC, $GPRMB,
$GPGGA, $GPBOD, and $GPAPB. If you own a Garmin 430 or 530, in the UNITS/MAGVAR
option, set the MAGVAR to AUTO. All of these connection schemes assume that the external
devices share a common ground with the Dynon product(s). If your GPS is battery powered, and
not normally connected to aircraft ground, you must connect the ground pin on its serial output
to a ground common to the EFIS-D100 (e.g., pin 9 on the DB25).
When a Dynon product is connected to a GPS, it will synchronize its Zulu clock to the time
output by the GPS.
Read the section below that corresponds to your configuration of Dynon products.
IF YOU OWN ONLY AN EFIS-D10A OR EFIS-D100
Hook the GPS or SL30 transmit line into pin 22. This is the same Serial Rx line that is used for
firmware updates. You will need a way to disconnect this when you hook up a PC.
If you have both a GPS unit and an SL30, you will need to hook the two transmit lines to a 3-
way switch; connect the output of the switch into pin 22 on the EFIS harness. You will use this
switch to toggle between GPS, SL30 and disconnected. The HSI will auto-detect the switch
being changed and will change modes automatically.
IF YOU OWN ONLY AN EMS-D10 OR EMS-D120
We recommend that you only connect a GPS to an EMS-only system; without the magnetic
heading from an EFIS, the HSI page will not be functional. Hook the GPS transmit line into the
EMS pin 19 on the DB37 connector. This connection will give you fuel endurance information
(range, MPG, etc) on the fuel page and GPS information only (track, ground-speed, course, etc)
on the HSI page. There is no need to break this connection when doing PC updates.
IF YOU OWN AN EMS AND AN EFIS (NOT FLIGHTDEK-D180)
First, ensure that your EMS and EFIS are connected as described in EFIS and EMS
Intercommunication on page 3-4 and Dynon Smart Avionics Bus (DSAB) Wiring on 3-9.
If you only have either the GPS or SL30 (but not both), hook the GPS or SL30 transmit line into
the EMS pin 19 on the DB37 connector. This is labeled “Aux Serial Receive.” With either a GPS
or an SL30 connected, you are able to display an HSI on either product; with a GPS connected,
you are able to display EMS fuel economy displays.
If you have a GPS and an SL30, hook the GPS to the EMS product as described above. Hook the
SL30 to pin 22 on the EFIS. This will allow you to flip between GPS and SL30 inputs. However,
this option allows you to display a GPS HSI only on the EMS. You can use either the SL30 or

Instrument Installation
3-6 EFIS-D100 Installation Guide
If your transponder requires parallel Gray
code input, and you wish to use the EFIS-
D100 as your altitude encoder, you will need
to purchase Dynon Avionics’ Encoder Serial-
to-Parallel Converter. Please refer to page 5-
13 for more information on the installation of
this option.
GPS as the nav source on the EFIS product. You will need to disconnect the SL30 from the EFIS
when doing software updates.
Alternately, you can connect both the SL30 and the GPS through a switch into the EMS. This
will allow you to see both the SL30 and GPS on both the EFIS and EMS, but you will only be
able to see one at a time, and you will not be able to see EMS economy data when in SL30
mode.
IF YOU OWN ONLY A FLIGHTDEK-D180
Hook the SL30 unit to pin 22 on the EFIS connector (vertical DB25) and the GPS to pin 19 on
the EMS DB37 connector. You can display either source on the HSI using the softkeys. You will
need to disconnect the SL30 from the EFIS when doing software updates.
IF YOU OWN A FLIGHTDEK-D180 AND AN EFIS
Hook the SL30 unit to pin 22 on the FlightDEK’s EFIS connector (vertical DB25) and the GPS
to pin 19 on the EMS DB37 connector. You can display either source on the HSI, and you can
display either on the standalone EFIS as well (provided you have connected the DSAB A & B
lines from the FlightDEK-D180 to the standalone EFIS product). You will need to disconnect the
SL30 from the FlightDEK-D180 when doing software updates.
Altitude Encoder Wiring
The EFIS-D100 outputs its altitude
measurements in one of four standard serial
outputs and is readable by many modern
transponders. The EFIS-D100 will function
properly whether or not this altitude encoder
functionality is used. To use the EFIS-
D100’s altitude encoder functionality,
simply wire the 2 encoder connections
(GND and Encoder Transmit) from the DB25
connector to their respective connections on your
transponder.
Per ATC/FAA requirements, the serial encoder output
of the EFIS-D100 reports pressure altitude, which, by
definition, is indicated altitude when the baro is set to
29.92. So, when you set your EFIS-D100's baro
adjustment to 29.92, its indicated altitude will match
the altitude that is being reported to your transponder
There are four different serial formats used by
transponders. The EFIS-D100 can output any of these formats. To select which format the EFIS-
D100 sends out its serial encoder output port, you must choose the appropriate format via the
menu system. When the menu system is displayed, push the following sequence of buttons:
MORE > SETUP > MORE > ALTENC. When in the Altitude Encoder Setup menu, you can
toggle the resolution of the output between 10 and 100 feet; this accommodates some
EFIS
DB25
pin# Function Wire color
13
Encoder
serial
transmit
Blue/White
(or black)
21 Ground White

Instrument Installation
EFIS-D100 Installation Guide 3-7
transponders which can input and display altitude in 10 foot increments. In this menu, you can
also select between the four different output formats, which are described below.
Dynon’s supplied EFIS harness has a serial altitude encoder cable which consists of 2
conductors, surrounded by a metal shield and white insulation. Dynon has shipped harnesses
with different colors for Encoder serial transmit line. Determine your connections using the table
above. Connect the Encoder serial transmit to your transponder’s serial input or to Dynon’s
Serial-to-Parallel Converter as described in the Encoder Serial-to-Gray Code Converter
Installation section on page 5-13 in the Appendix.
SERIAL ALTITUDE FORMATS
There are four formats used by serial transponders. Choose the correct format for your
transponder in the ALTENC menu, using the FRMAT button.
Format 1
Used By Garmin AT (formerly UPS Aviation Technologies)
Baud rate 1200
Format #AL, space, +/-sign, five altitude bytes, T+25, checksum, and
a carriage return
Example message #AL +05200T+25D7[CR]
Format 2
Used By Magellan
Baud rate 1200
Format $MGL, +/- sign, five altitude digits, T+25, checksum, and a
carriage return
Example message $MGL+05200T+25E3[CR]
Format 3
Used By Northstar, Garmin
Baud rate 2400
Format ALT, space, five altitude bytes, carriage return
Example message ALT 05200[CR]
Format 4
Used By Trimble, Garmin GTX327 (set on Icarus input), Garmin
GTX330 (set on Icarus input), Icarus
Baud rate 9600
Format ALT, space, five altitude bytes, carriage return
Example message ALT 05200[CR]

Instrument Installation
3-8 EFIS-D100 Installation Guide
Audio Alert Output
The EFIS-D100 has an audio alert output
for sounding AOA alarms through an
intercom or audio panel. If you do not
have Dynon’s AOA Pitot Probe installed,
you do not need to connect this output.
Connect the alarm output from the EFIS-D100 to the outside terminal of a 10 kΩvariable
resistor (not included). Ensure that it is connected similar to the following diagram. You may
obtain the variable resistor from Radio Shack (part # 271-1715) or other electronics supplier.
To set the volume of the AOA alarm, you will need your EFIS-D100 powered on and the alarm
output wired as described above. Enter the EFIS menu by pressing any button (except the
leftmost or rightmost) beneath an EFIS page. Press MORE > SETUP > MORE > MORE >
MORE > AOAALM. In that menu, press the TEST button. While the button is held down, the
AOA alarm will sound. Adjust the variable resistor until the volume in the intercom or audio
panel is at an acceptable level.
DB25
pin# Color Function
18 Green EFIS Audio Alert Output
To EFIS-D100 Audio
Alert Out
To intercom/audio
panel auxiliary input.
To ground
Outside terminal
Center terminal
Outside terminal