Concox GS503 - Radio, Monitor, and Emergency Functions; FM Radio Operation; Monitoring and SMS Commands; SOS Emergency Call Procedure

Message tone: 11 groups
Key tone: Silent / Click / Tone/ human voice
Note: After selecting human voice, there would has voice broadcast when dial numbers.
● Volume
Ringtone: Turn the ringtone up or down.
Keypad tone: Turn the keypad tone up or down.
●Warning tone type
The warning tone type for option：Ring only/Vibrate only/ Vibrate and ring/Ring after vibrate/Quiet only.
5.6.3 Reset to the factory settings：Enter password 1122 to reset the factory settings.
5.7 FM radio
5.7.1 Turn on the radio：In standby status，long press FM key to turn on the radio.
5.7.2 Turn off the radio：In radio operation interface，long press FM key to turn off the radio.
5.7.3 Operating procedure: After turn on the radio you will enter into listening interface. Press navigator up and down key
to set the frequency channel. Add or reduce 0.1 for each time by press navigator up or down key once. You can also input
the frequency directly, press call key in listening interface to select【manually input】menu to input frequency manually,
select【automatically search】menu to search frequency channel by phone automatically. Select【Frequency channel list】
to search often used channel，press * key in listening interface to listen last channel and # for the next one.
Note: When install earphone, there are two ways to switch earphone mode to hand-free mode: long press 0; change from
FM menu.
6. Monitor
SOS numbers can send SMS command to monitor.
SMS command： MONITOR#
Note：SOS number is not equal to familiarity number.
After the mobile get reply Ok, then it will dial the SOS number. Once the call gets through, it enters monitor status.
7. SOS emergency call
Press SOS key for more than 3 s（will active GPS function automatically）， the phone will vibrate one time with alarm tone ,
the phone will dial the existed SOS numbers by cycles until any of SOS numbers answer the phone. The phone will dial the
SOS number for 3 times maximum if there is no answer. After dialing the SOS number, it will send google map link to SOS
numbers.
Note：1 To cover this function you need set SOS number successfully in advance.
2 If the platform function turns off, the device would not receive Google map link.
8. GPS timing and locating function.
The GPS will be activated and its led will start to flash once the mobile power on. If the GPS locate successfully within 5
minutes, the GPS data will be uploaded to platform and then the GPS led will keep solid bright and go off after 20s.
If the phone is placed inside room all the time or other places which have no GPS signal there，the phone will turn off the
GPS after searching signal for over 5 minutes. At this moment, the phone will start timing and locating system no matter
the phone is located successfully or not, default timing and locating is 30 minutes, that is to say, the phone will start GPS