Funkwerk 250TM Series, TM250 Operation And Installation
TM250
Traffic Monitor
P/N 250TM-(xxx)-(xxx)
Operation and
Installation
(Document-No. 03.310.010.71e)
TM250 / P/N 250TM-(xxx)-(xxx)
Operation and Installation
List of Changes
Revision Date Change description
1.00 11.06.2009 First issue
1.01 21.07.2009 Visual Alerting
1.02 29.07.2009 Manual Setting of the ICAO 24-bit address,
Software-Update by users
1.03 17.08.2009 Added Wiring Diagram (4.2)
1.04 30.07.2010 New Human Machine Interface
Added information on connectors
1.05 28.01.2011 FLARM® Target Counter, automatic detection
of external FLARM® device
1.06 31.03.2011 Pictures updates (2.1)
2.00 04.04.2012 Software 2.0 with Mode AC- functionality
2.01 01.04.2013 CE Declaration of Conformity adapted
2.10 24.06.2013 Software 2.1 - additional traffic protocol
List of Service Bulletins (SB)
Service bulletins are to be inserted in the manual and to be recorded in
the table.
SB Number
Rev.
Nr.
Issue date
Date of
Insertion
Name
Device overview
Article number Description
P/N 250TM-(000)-(000) Basic variant
P/N 250TM-(100)-(100) New HMI, Connection for external
displays
2Document No.: 03.310.010.71e / Revision: 2.10
TM250 / P/N 250TM-(xxx)-(xxx)
Operation and Installation
Table of Contents
1 Introduction ....................................................................................... 5
1.1
Symbols ........................................................................................... 5
1.2
Customer Service ............................................................................. 5
1.3
Device Overview .............................................................................. 6
2 Operation .......................................................................................... 9
2.1
Operation Controls ........................................................................... 9
2.2
Switching On/Off ............................................................................ 10
2.3
Traffic Display ................................................................................ 10
2.3.1 Layout of the Traffic View .......................................................... 10
2.3.2 Symbols and Representations of the Traffic View ..................... 11
2.4
Configuration Page ........................................................................ 14
2.4.1 Audio ......................................................................................... 14
2.4.2 FLARM® .................................................................................... 16
2.4.3 Mode S ...................................................................................... 16
2.4.4 Mode C ...................................................................................... 16
2.4.5 Display ...................................................................................... 17
2.4.6 Filter .......................................................................................... 17
2.4.7 Traffic Transmit - Tfc Tx ............................................................ 18
2.4.8 Demo ......................................................................................... 19
2.5
ICAO Configuration Page ............................................................... 20
2.6
Information Page ............................................................................ 22
2.7
Output of traffic data ....................................................................... 23
2.8
Software Update ............................................................................ 23
3 Installation ....................................................................................... 24
3.1
Unpacking and Inspection .............................................................. 24
3.2
Scope of Delivery ........................................................................... 24
3.3
Mounting ........................................................................................ 25
3.4
Connectors ..................................................................................... 26
3.4.1 GPS Antenna ............................................................................ 26
3.4.2 1090MHz / FLARM® Antenna .................................................... 26
3.4.3 USB ........................................................................................... 27
3.4.4 Power / RS-232 ......................................................................... 27
3.5
Device Dimensions ........................................................................ 29
3.5.1 Housing ..................................................................................... 29
3.5.2 Installation Tips ......................................................................... 30
3.6
Post-installation Checks ................................................................. 30
3.7
Accessories .................................................................................... 30
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TM250 / P/N 250TM-(xxx)-(xxx)
Operation and Installation
4 APPENDICES ................................................................................. 31
4.1
Technical Data ............................................................................... 31
4.2
Wiring Diagram .............................................................................. 32
4.2.1 Cable Harness for TRT-Serie (XPDR) ...................................... 32
4.2.2 Cable Harness for OEM-device (XPDR) .................................. 33
4.3
Threat Classifications – Zone Division ........................................... 34
4Document No.: 03.310.010.71e / Revision: 2.10
TM250 / P/N 250TM-(xxx)-(xxx)
Vital information that if not followed may cause damage in
the device or in other parts of equipment or may have a
manuals are
Information about software updates is available from
Operation and Installation
1 INTRODUCTION
This manual contains information about the physical, mechanical and
electric characteristics and instructions on installation and operation of
the traffic display TM250.
1.1 Symbols
negative impact on the correct function of the device.
Information
1.2 Customer Service
For fast handling of returns please follow the instructions on the form for
complaints and returns provided in the service area of the Funkwerk
Avionics website www.funkwerk-avionics.com.
Suggestions for the improvement of our
welcome. Contact: service@funkwerk-avionics.com.
Funkwerk Avionics.
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TM250 / P/N 250TM-(xxx)-(xxx)
Operation and Installation
1.3 Device Overview
The traffic display TM250 by Funkwerk Avionics GmbH is aimed at
supporting air space surveillance for General Aviation. It integrates
Mode S, ADS-B, and FLARM ®-Detection in one single device for
cockpit installation.
ADS-B, Mode S and Mode AC
ADS-B (Automatic Dependent Surveillance – Broadcast) means that
airplanes whose Mode S transponder is coupled with a GPS receiver
emit their position data on the frequency 1090 MHz. This data can be
received by all airspace users in a vicinity of up to approx. 150 NM.
These ADS-B transmissions from other airplanes are decoded by the
built-in Mode S receiver in the TM250. The display of the TM250
indicates the relative position of these airplanes as well as their vertical
movement direction. This allows a quick assessment of the traffic
situation.
Today, the majority of Air Transport airplanes are equipped with ADS-B
capable systems. Because General Aviation still has a relatively low
degree of ADS-B equipage, airplanes whose transponders do not send
out ADS-B signals are also detected by the TM250. This is achieved
through evaluation of the field strength of the Mode S and Mode AC
signals. In this case, the proximity of such airplanes is signalled by the
TM250 graphically and acoustically. However, a representation of
direction or position of these airplanes is not possible.
The TM250 includes a built-in GPS receiver and can transmit its position
data via an additional serial interface to an ADS-B capable Mode S
transponder (such as the TRT800A/H). Such an installation forms a
complete ADS-B system that can receive and transmit position data
through ADS-B and contributes therefore actively to flight safety.
FLARM®
Nowadays, numerous glider aircraft are equipped with so-called FLARM®
systems for collision avoidance. Via a serial interface, an external
FLARM® receiver can be connected to the TM250 which then allows
indicating the position and movement direction of these airplanes on the
display of the TM250.
6Document No.: 03.310.010.71e / Revision: 2.10
TM250 / P/N 250TM-(xxx)-(xxx)
alert
), in order to avoid
This does not impact the display of
Operation and Installation
In case an external FLARM® is connected, the FLARM®
will automatically be disabled (see 2.4.2
permanent alerting.
FLARM® targets. FLARM® targets will still be displayed.
If the aircraft does not carry such a FLARM® receiver connected to the
TM250, other gliders nearby that have a FLARM® transmitter can still
being detected and indicated on the TM250 graphically and acoustically.
This is achieved through a raw, non-directional detection of the signal
strength of a nearby FLARM® transmitter inside the TM250. In this case,
however, it is not possible to indicate the direction, distance, altitude, or
position of such targets. Also, no transmission to other gliders occurs.
For traffic display and warning, four different types of targets are
distinguished depending on the respective equipment of these aircraft.
1. FLARM® targets
Aircraft, particularly gliders, with a FLARM® system: As long as no
external FLARM® receiver is connected to the TM250, the recognition of
the FLARM® equipped airplanes is based merely on the detection of the
signals, and will be shown in the counter, but not on the “map”.
Due to their low radio transmission power, FLARM® targets can only be
detected in smaller distances than the other target types.
2. Mode S targets
Aircraft with a Mode S transponder without ADS-B "out" function (not
"extended squitter" capable): The Mode S Transponder sends out the
ICAO 24bit address that allows identifying the transmitter. A rough
estimate of distance and approach rate of each transponder is
determined by measuring the field strength of these transmissions.
3. Mode AC targets
Aircraft with non-Mode-S-capable (older) transponder: The transponder-
transmissions contain either the altitude (Mode C) or the Squawk
(Mode A). It is technically not possible to always distinguish between
these two transmissions – for safety reasons, in these cases the
information is always interpreted as altitude, what may lead to
unnecessary warnings. As additionally the AC transmissions do not
contain the 24bit address of the Mode S signal, it is not impossible, that
one and the same aircraft, due to transmitting both Mode S and
7 Document No.: 03.310.010.71e / Revision: 2.10
TM250 / P/N 250TM-(xxx)-(xxx)
Some aircraft will not be detected at all, as they have neither
, due to the
a
n warning
system and may only be used as supportive means for
the surrounding
airspace and to comply with all applicable rules and
Operation and Installation
Mode AC, is detected multiple times. A rough estimate of distance and
approach rate of each transponder is determined by measuring the field
strength of these transmissions.
4. ADS-B targets
For aircraft with a Mode S transponder that is ADS-B "out" capable: The
position information transmitted by these aircraft can be used directly for
the traffic display and for determination of dangerous proximities.
a transponder nor a FLARM® device activated.
Other aircraft will be detected multiple times
manifold signal evaluations – the theoretical maximum is
four-time detection (ADS-B, Mode S, Mode AC, FLARM®).
This device is not a certified anti-collisio
airspace observation.
The pilot is still obliged to observe
regulations for safe flight operations..
8Document No.: 03.310.010.71e / Revision: 2.10
TM250 / P/N 250TM-(xxx)-(xxx)
view radius
between views
Operation and Installation
2 OPERATION
2.1 Operation Controls
ON/OFF
Increase of the
Decrease of the
view radius
Change
ON/OFF Power Switch
1. TFC view – increase of the view radius
PLUS
2. SETTINGS – modification of values
1. TFC view – decrease of the view radius
9 Document No.: 03.310.010.71e / Revision: 2.10
MINUS
MODE
2. SETTINGS – navigation through the menu
(down)
Change between the views TFC, SETTINGS,
and INFO
TM250 / P/N 250TM-(xxx)-(xxx)
Operation and Installation
2.2 Switching On/Off
The device is turned on with the ON/OFF switch. After switching it on,
the following indication is shown:
Company logo
(Example)
This announcement can be skipped over by pressing any key.
Software-Version
2.3 Traffic Display
After the initial start screen, the display changes to traffic view (TFC).
Other available views are the configuration pages (SETTINGS) and the
information page (INFO). Changing between these four views is done
with the key.
2.3.1 Layout of the Traffic View
(Mode S, Mode AC, FLARM)
Viewing radius
(Zoom level)
Visual Alarm
Reception of
traffic data
Range circles
Traffic items
(ADS-B+FLARM)
Flight level
GPS reception
10Document No.: 03.310.010.71e / Revision: 2.10
GPS Track
TM250 / P/N 250TM-(xxx)-(xxx)
Operation and Installation
Around the own aircraft symbol there are two range circles that are
always arranged in a way that the external one corresponds to the
selected viewing radius. The inner range circle corresponds to half of the
selected viewing radius.
In the lower line, the current flight level, GPS track and the quality of
GPS reception are indicated.
Other details of various representations and symbols are described in
the following section.
2.3.2 Symbols and Representations of the Traffic View
Indication Explanation Remarks
Rotating Bar
Reception of traffic data
(FLARM®, Mode S or ADSB)
GPS reception:
GPS: no GPS reception
2D: only horizontal position
3D: horizontal position and
altitude
GPS track
Flight level
"NoFL" indicates that only
GPS altitude is available
Shown in the upper right
corner of the display
Shown in the lower right
corner of the display
Current track as determined
by the internal GPS module
Based on barometric
altitude (as transmitted by
the own aircraft transponder
in the ADS-B report)
Adjustable with and .
Viewing radius (zoom level)
11 Document No.: 03.310.010.71e / Revision: 2.10
Symbol of own airplane
Possible values are 1 NM,
2 NM, 4 NM, and 8 NM.
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