Motorola HPD 1000 User Manual - Page 21

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successfully, and was shut down and re-started without

disconnecting the radio from its power source.

The PGAM GPS hardware always operates in "autonomous

continuous acquisition mode" when the HPD radio is powered on.

Autonomous implies that you do not need to supply any assistance

data from an external source to the PGAM GPS hardware.

Continuous acquisition means that the PGAM GPS hardware is set

up to acquire location information periodically.

When the HPD modem is powered OFF, the PGAM GPS hardware is

put into low power mode. It stops attempting to acquire location

information periodically. However, it retains GPS information that

helps reduce the GPS signal acquisition time when the HPD modem

is powered backed on (warm start conditions).

Note: Power is always supplied to the GPS hardware unless the

modem is totally disconnected from it's power source. A

small amount of current is drawn during this period.

HPD™ 1000 Modem

General Modem Features