Juniper Systems Allegro DOS Manual - Manual (Page 154)

154 Allegro DOS Owner’s Manual
Remove the protective cap from the connector labeled GPS ANT
(save the cap for future use). Screw the antenna cable into the
connector.
You have completed the steps to attach the antenna to the Allegro
GPS Expansion pod.
GPS Pod Setup Program
The following are the default GPS pod settings:
Com Port: Com3 – not changeable
Protocol: TSIP
Baud: 9600
Data Bit: 8 – not changeable
Parity: None
Stop Bit: 1
Connect the GPS. The Allegro must be outside in clear sky conditions
(this means free from tree foliage, buildings, power lines, etc.) to
receive a new GPS almanac. The receiver can take up to 20 minutes
to establish and receive the almanac.
Note: If your parameters do not match, some GPS programs produce an
error message when attempting to activate the GPS pod. This error means
the communication parameters in the GPS program do not match the
GPS pod. Go back to the GPS programs setup page and check to make sure
those settings are the same settings as the settings on your Allegro’s GPS
Receiver Port Settings screen.
Tips for Using the GPS Expansion Pod
Keep the following tips in mind while using the Allegro with the
GPS expansion pod:
When attempting to receive GPS signals, get the clearest view
of the sky as possible. Obstructions such as buildings, trees,
mountains, and your body can keep signals from reaching the
receiver.
Do not cover the antenna with anything while you are using the
system.
The antenna can be mounted on a vehicle or a pole, a longer
cable is required to do this. Contact our Sales Department for
details.
Using the GPS expansion pod, and GIS or GPS software running
on the Allegro may cause the Allegro battery to drain at a
faster rate. This rate depends on the software and how much
processing is taking place.
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