No yes – Kannad Marine PRO PLB User Manual
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8
Getting the best from the PLB
General use
Once activated, position the PLB so that the antenna is pointing straight up towards 
the sky so that it has the best all-around view of the sky. The position of the COSPAS-
SARSAT satellites can affect when an alert signal is received. Careful positioning so 
that the maximum amount of sky is in view will produce the optimum performance. 
 
Get the best from GPS PLBs 
Position the PLB so that the antenna is pointing skyward and the GPS zone is 
clear of any obstructions. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Do not obstruct the area marked GPS Zone on top of the PLB
The PLB should be positioned to have the clearest possible view of the sky. 
Obstructions such as tree cover, deep canyons, ravines, caves, overhangs and 
shadowing objects can block out the view of GPS satellites and may inhibit GPS 
signals from reaching the PLB. 
 
Even if the GPS PLB initially fails to acquire a valid GPS position, the first alert 
message will still be transmitted within 2 minutes of activation. The PLBs position will 
be determined as if it was a standard PLB without GPS. 
 
NO
YES