Vectronic Aerospace Globalstar TT5 User manual

Project:
TT5 Globalstar
Trap Transmitter
Title:
User's Manual
Document No.: TT5 User’s Manual
Version: 1
Last Change: 05.06.2020

VECTRONIC Aerospace
Doc. No.: TT5 User’s Manual
Date: 05.06.2020
This design is the property of VECTRONIC Aerospace GmbH. Unauthorized duplication or distribution to a third party is prohibited.
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Name
Date
Signature
Prepared by
Christian
Schütte
18.04.2011
Edited by
Chris Samek
05.06.2020
Checked by
Approved by
Authorized
by

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Doc. No.: TT5 User’s Manual
Date: 05.06.2020
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DOCUMENT CHANGE RECORD
Issue
Date
Item(s) Affected
Description
1
05.06.2020
-
Initial Issue

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Doc. No.: TT5 User’s Manual
Date: 05.06.2020
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1Table of Contents
1The Transmitter...................................................................................................................5
2Mounting Instructions.........................................................................................................6
2.1 Connecting the trap ................................................................................................................. 6
2.2 Positioning of the transmitter .................................................................................................. 7
2.3 Resetting the trap..................................................................................................................... 7
3Operation.............................................................................................................................8
3.1 Standby Mode.......................................................................................................................... 8
3.2 Normal Mode .......................................................................................................................... 8
3.3 Alarm Mode ............................................................................................................................ 8
4Status Messages ..................................................................................................................9
5Lifetime calculation ..........................................................................................................10
Table of Figures
Figure 1: TT5 Trap Transmitter in Stand-by mode....................................................................5
Figure 2: Left: The elongated magnet is inserted into the transmitter box and can be attached
to the trap by a rope or wire. If the trap is triggered, the magnet has to be pulled
out of the box by the rope to set off an alarm. Right: Triggered trap transmitter,
elongated magnet is removed from transmitter box.................................................6
Figure 3: Example for triggering the trap: A) The trap is connected to the transmitter’s magnet
by a rope or wire. B) When the trap is triggered, the rope/wire pulls the magnet out
of the transmitter box. The transmitter sends an alarm message every 30 minutes
for 10 hours. After that you will receive one Email per day....................................6
Figure 4: Trigger Magnet...........................................................................................................7
Figure 5: Status email in HTML ................................................................................................9
Figure 6: Alarm email ................................................................................................................9

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1The Transmitter
The Trap Transmitter TT5 is a small grey box as shown in Figure 1. The top side is labelled
“TOP” and must not be covered or painted since this would obstruct satellite communication.
In the corners you find several mounting holes to attach the TT5 to a mounting structure.
Make sure that the TOP-side points away from the mounting structure and towards the
sky.
The sticker on the gives you information about the ‘ESN’, ID and ‘CH’. ESN is the
communication ID of the transmitter. Write down this number as this will help you identify
the transmitter once you receive status or alarm messages. The ID is the serial number of the
TT5 and can also be used to identify the transmitter. CH is the transmission channel of the
Globalstar transmitter. Transmission channel is either A (North America) or C (rest of the
world).
On one side there is a patch of hook-and-loop tape. Here you can attach the standby magnet
which is used to switch the transmitter ON (Normal Mode, magnet is removed) or OFF
(Stand-By Mode, magnet is attached).
The trigger magnet is located opposite of the standby magnet. This magnet is the connection
between trap and trap transmitter.
Figure 1: TT5 Trap Transmitter in Stand-by mode

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2Mounting Instructions
2.1 Connecting the trap
The trigger magnet consists of an elongated magnet that reaches into the TT5 body. To trigger
an alarm, it has to be pulled out of the box (Figure 2).
Figure 2: Left: The elongated magnet is inserted into the transmitter box and can be attached to the trap
by a rope or wire. If the trap is triggered, the magnet has to be pulled out of the box by the rope to set off
an alarm. Right: Triggered trap transmitter, elongated magnet is removed from transmitter box.
The magnet can be connected to the trap with a rope. Make sure that the rope connecting the
trap to the magnet is
1. stretched tightly enough to pull the magnet out of the box if the trap is triggered (see
Figure 3),
2. can move freely and cannot be entangled when the rope is moved by the triggered trap.
Figure 3: Example for triggering the trap: A) The trap is connected to the transmitter’s magnet by a rope
or wire. B) When the trap is triggered, the rope/wire pulls the magnet out of the transmitter box. The
transmitter sends an alarm message every 30 minutes for 10 hours. After that you will receive one Email
per day.

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2.2 Positioning of the transmitter
Mount the transmitter in a way that the side labelled ‘TOP’ is always pointing upwards. This
side MUST NOT be covered or painted. Always make sure that the top side has a view to the
sky that is as clear and unobstructed as possible (e.g. not covered by rocks, trees, …)
otherwise transmission performance might be degraded or even impossible!
To trigger the transmitter, the magnet has to be pulled out of the transmitter box. Make sure
that the box is mounted in an angle that allows the magnet to be pulled out of the box and that
nothing obstructs the path of the magnet or the rope!
2.3 Resetting the trap
After the trap has been triggered, it is necessary to attach the external magnet for at least two
minutes to reset the transmitter to Stand-by mode. After removing the magnet, it will return to
Normal mode. If this is not done, the transmitter will stay in Alarm Mode and will not send a
new alarm message if the trap is triggered again.
Figure 4: Trigger Magnet

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3Operation
The Trap Transmitter is always in one of three operating modes:
- Standby Mode
- Normal Mode
- Alarm Mode
3.1 Standby Mode
When the exterior standby magnet is attached, the Trap Transmitter is in ‘Standby Mode’. In
this mode the transmitter does not transmit any messages. Once the magnet is removed, the
transmitter will enter ‘Normal Mode’.
3.2 Normal Mode
In this mode the transmitter will send two status messages per day, which are transferred to
you by email. The first of these messages will be sent immediately (max. 40 seconds) after the
magnet has been removed. When the trigger magnet is removed (i.e. the trap has been
triggered), the transmitter will switch to ‘Alarm Mode’.
3.3 Alarm Mode
In ‘Alarm Mode’, the transmitter will send a status message every 30 minutes for 10 hours (20
messages in total), indicating that the trap has been triggered, and the transmitter will start
counting the time since the trigger event. These messages will be transferred to you as email
and optional as text message (SMS).
When the exterior standby magnet is attached to the transmitter again, the transmitter will
return to ‘Standby Mode’ (after a maximum of 40 seconds) and the time since the last
triggering of the trap will be reset.
When the trap transmitter is not reset manually, the transmitter will automatically return to
‘Normal Mode’ after 10 hours; it will transmit two status messages a day. The time since the
last trigger event will still be counted and given in the status messages.

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4Status Messages
Every message that is sent by the trap transmitter is received by VECTRONIC Aerospace and
forwarded to you via email. Once a status message (trap has not triggered) is received, you
will get an email like this if HTML is enabled in your mail application (actual appearance of
the email might vary, depending on your mail application):
Figure 5: Status email in HTML
If display of HTML email is disabled, you will see
VECTRONIC Aerospace
Trap has NOT yet triggered.
Trap ESN: 0-367220
Sequence number: 258
Estimated remaining lifetime: 13633 days
In case of an alarm message (trap has triggered) you will get an email like this:
Figure 6: Alarm email
If display of HTML email is disabled in your mail application, you will see
VECTRONIC Aerospace
*** TRAP HAS TRIGGERED ***
Trap ESN: 0-368019
Sequence number: 259
Time since triggering: 120 minutes
Estimated remaining lifetime: 13632 days

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Doc. No.: TT5 User’s Manual
Date: 05.06.2020
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In addition to the status and alarm emails, VECTRONIC Aerospace can send a text message
(SMS) to the (mobile) phone number(s) provided, upon reception of the first two alarm
messages received for a single ESN. This service is liable of charges. The content of the text
message (SMS) will be like this:
TRAP HAS TRIGGERED!
ESN: 0-368019
Trigger is 120 minutes old
5Lifetime calculation
With each message you will receive the “Estimated remaining lifetime”. The number of days
given here is the number of days the Trap Transmitter would work in Stand-by Mode. Each
sent message needs the same amount of energy as one day in Standby Mode. As a result, in
Normal Mode, “Estimated remaining lifetime” will reduced by two days per day. If the trap is
triggered (Alarm Mode), “Estimated remaining lifetime” will be reduced by one day per
message, which would be a maximum of 20 days, if the Trap Transmitter is not reset to
Normal Mode within the first 10 hours after the trap has been triggered.