11
2.11 History data upload and Delete function
Command
：
BLIND,
A
#
A=1
：
OFF
；
A=0
：
ON
Clear command:
CLR,BLIND#
More than 128 positions can be saved, the blind zone data read is first-in first-out;
2.12 Early sleep mode
In order to reduce the power consumption, the device will not continue to work and
directly enter the sleep state under those abnormal status:
The device does not recognize the SIM card;
Cellular module resets 6 times continuously;
Device resets 6 times continuously;
Failed to connect to the server (single IP 3 times, dual IP 2 times each);
No response from server after sending upload data three times in a row.
VCC voltage is lower than 2.9V;
After VCC is lower than 2.7V or devices resets 6 times continuously, if the upload
interval is less than 60 minutes, the sleep time will be changed to 60 minutes in
mandatory ;
2.13 Low Voltage Shutdown
Device will immediately enter the low-power mode and will not wake up;
VCC voltage is lower than 2.7V;
VCC voltage is lower than 2.9V and the device has been continuously reset 6
times and the power is <=2%;
2.14 Connection timeout
Normally the maximum duration time of each wake-up of the device is 15 minutes.
2.15 Network and Bands lock
Command
：
SEARCH,
P[
;
BandNBiot
;
BandCAT-M1]
#
