Monitor TAD-214-W300, Installation Instructions & Operating Manual

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11.11. - GPS Operation
11.11.1. -
The unit’s position is requested using the Status command
above.
11.11.2. - For power saving reasons, the GPS can be turned off and on. To
turn the GPS on or off, send the unit the following messages: -
11.11.2.1. - Secret, gps, on
11.11.2.1. - Secret, gps, off
11.11.3. - Monitor can also report its current speed and direction of travel.
To query this, send the following message:
11.11.2.1. - Secret, gps
General Advice

If a low/loss of power warning is received the GPS unit should be
turned off to preserve the life of the back-up battery. (see GPS
Operation para 11.11.) This can always be turned back on to check
position. Reinstatement of the supply should be completed as
soon as possible as the back up battery will only last two or three
days (with GPS Off).