Gps Antenna; Serial Peripherals; Example Installations - Triadis Engineering Glide Computer and Navigation System Owner's Manual

3.6 GPS antenna

3.7 Serial peripherals

3.8 Example installations

The power supply is connected at Port A. If Altair is used with
Vega, the supplied Vega-Altair cable conveniently passes power
from Altair to Vega and no further wiring is required. Otherwise,
a special cable may need to be fabricated. When Vega is connected
to FLARM, Vega supplies power to the FLARM unit.
Note that Altair supplies power only to Vega and FLARM; all
other peripherals need their own power supply.
Take care that the power supplied has the correct polarity, other-
wise damage to the device may occur.
It is recommended that the aircraft has a second or third battery
installed with individual switches or a crossover switch, in order
to provide a degree of redundancy to the system.
For the PRO version, the internal GPS has an external antenna
that must be connected to the antennae port at the rear of the de-
vice. The antenna should be mounted in a suitable location with
an unobstructed view of the sky, and located away from other GPS
antennae where possible.
In typical installations, Altair needs to be plugged into an external
GPS source.
Integration with external serial devices requires a special cable to
connect Altair's Port A (DB15 connector at X1), to what is usually
an RJ45 IGC standard plug for glider instruments. A standard
cable is supplied with Altair enabling it to be connected to two
external devices. The connectors are described in Appendix D.
Some intelligent variometers, such as Vega, have a serial pass-
through. This means that a GPS device such as FLARM can be
connected to the variometer, then the variometer connected to Al-
tair.
System diagrams of a minimal and fully-optioned installation are
presented in Figures 3.1 and 3.2. Peripherals can typically be
added after the initial installation; though this may require chang-
ing the main power/data cable.
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