Coban GPS303F - Alarm Function; Low Battery Alarm; External Power off Alarm; GPS Blind Spot Alert

6.19 Alarm Function
6.19.1 Low battery alarm
6.19.1.1. Send SMS “lowbattery+password+space+on”, it will send
SMS “low battery+latitude/longitude” to authorized numbers 2 times in
total in 15 minutes interval when voltage of battery is going to be about
3.55V.
6.19.1.2 This function activates by default, send SMS
“lowbattery+password+space+off” to deactivate.
6.19.2 External Power off alarm
6.19.2.1 This function activates as default. Send
“ extpower+password+space+on” to activate, it will send SMS “power
alarm+latitude/longtitude” to authorized numbers every 3 minutes when
external power is cut off.
6.19.2.2 Cancel: Send SMS “ extpower+password+space+off” to
deactivate it.
6.19.3. GPS blind Spot alert
6.19.3.1 This function deactivates by default, send SMS
“gpssignal+password+space+on”, it will send alert SMS “no gps+last
valid latitude/longitude before lost signal” when no GPS signal is
received.