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To turn off gps30 minutes will set the S030, but not set to S30.
(2) Hzz opened GPS to set the total time, not less than Lyy.
(3) 199 instruction set of the parameters are not lost restart, the reset will
(4) Only in exceptional power-saving mode, the device can be s
parameters of the timer switch 199, GPS, other modes will not.
2) Special power saving mode is on
Instruction format :188 + user password
for example: 1880000
Description: 199 instruction set when the device is successful, send 188 commands to take effect.
When you receive the confirmation code 188 instructions correctly, to switch to GPS mode power
saving mode, the sender replies to the confirmation message: GPS AUTO MODE ON OK. After
entering power-saving mode, the device 199 in accordance with the parameters set by instruction
time switch GPS, in order to achieve power saving purposes. Such as setting 1990000S030L01H03,
sending 188 to enter this mode, the device according to the 199 instruction set, turn off the GPS 30
(S030) minutes, and then open the 1 minute (L01), if the GPS in the open for 1 minute (L01)
localization, directly off GPS 30 min (S030). If a minute (L01) did not locate, will continue to open
the GPS 2 min (H03-L01). 2 minutes regardless of whether the GPS positioning, all will be closed
again for 30 minutes, again and again.
Note: Note: Note: Note: (1) switch to power saving mode GPS work, you must first set the command
parameters 199.
(2) Open the power-saving mode, off the stage in the GPS, GPRS sampling time and historical data
are uploaded will stop; in GPS positioning if the open stage, GPRS uploaded regularly and historical
data sampling will be back to normal.
(3) Open the power-saving mode, the GPS off stage, whether text mode or GPRS mode, the
location information if the request operations, such as 666, # 806, phone positioning, SOS, 4XX,
then the GPS would be immediately Open, read the latest GPS data until the arrival of the next
power cycle, and then turn off GPS.
(4) If you need real-time tracking, please use the GPS normally open mode.
3. Instructions to send location information periodically
