MEITRACK P88L GPS Personal Tracker User Guide
Copyright © 2020 Meitrack Group All rights reserved. - 12 -
2. In this mode, heartbeat packets may be delayed. After the device is woken up, you need
to enable the GPS module first, and then a heartbeat packet can be sent. If the GPS
positioning time exceeds the preset heartbeat wakeup positioning time and the GPS is still
invalid, an invalid heartbeat packet will be sent. If the GPS is valid, a valid heartbeat packet
will be sent. Therefore, the heartbeat packet reporting interval will be affected by GPS
positioning time.
3. In sleep mode, SMS messages or calls can be used to wake the device up, or users can press
any button of the device to wake the device up.
3.3.12 Smart Working Mode
In the smart working mode, the working mode of the device is determined according to users'
habits, including the settings of GPS or WiFi frequent stop places and the data tracking time
interval.
1. If frequent stop places are set, when the device enters a frequent stop place, it stops data
uploading and determines that the trip ends. Then the scheduled tracking event is disabled.
When the device leaves the frequent stop place or the SOS button is triggered, the device
determines that the trip starts. Then the scheduled tracking event is enabled. If no frequent stop
places are set, no trip ending events will be generated.
2. When the data tracking time interval is less than or equal to five minutes, the GPS module
always works. When the data tracking time interval is greater than five minutes, the GPS module
may work or not. In this way, the device will determine whether it continues to work or enters
the sleep mode based on users' behaviors, so as to save battery power. But the condition is that
this action cannot affect the device's travel routes. After the smart working mode is enabled, the
heartbeat packet and deep sleep functions will be unavailable.
4 Main Device and Accessories
P88L tracker
Magnetic USB cable
Charger
CD download card
Lanyard
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