Contents:
Starting the Alarm
Press and release the Start Button (marked on lid).
LEDs 1,2,3 will simultaneously flash on for 1 second, then turn off.
Watch the indicators:
LED 1 on: communication with the GSM module started successfully, then
LED 2 on: the alarm is registered in the GSM network and ready to receive and send SMS.
If you get different results, check the troubleshooting section (below). |
If your SIM card allows phone calls, test your alarm with a call. Your alarm will decline the call. |
Arming & Disarming
These commands control the trigger, the siren, and Standby Mode.
If the securing pin is removed, the alarm is automatically armed.
This occurs in any state,
you must then send the disarm command,
the alarm will then confirm that is has been disarmed.
How to enable the trigger:
If alarm is in standby
Check if securing pin is not inserted, otherwise remove it
If alarm is on
Check if securing pin is not inserted, otherwise remove it
If you disarmed before, send SMS “arm”
Note: the alarm exits standby mode after:
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After the alarm has been triggered (and the siren is blaring), “arm”:
Turns off the siren,
Resets the Alarm,
On battery power, sets the alarm to “Standby Mode”.
If USB power is present, then “arm” won’t put the alarm in standby.
When an alarm loses USB power, the Alarm will stay on until:
battery power becomes critically low, or
another arm command is received.
When an alarm loses USB power, the Alarm will stay on until:
battery power becomes critically low, or
another arm command is received.
If you don’t “arm” your alarm while solely using the battery, your alarm will stay on until the battery power is critically low.
The alarm will then send SMS messages to all Alert Recipients, and
automatically “arm” to save energy.
See: “Power Management” for a more detailed explanation. |
“Disarm” does not put the alarm in Standby Mode.
“Disarm” does not put the alarm in Standby Mode.
Alarm Information
Battery charge exceeding 85% is considered “full”.
Battery charge exceeding 85% is considered “full”.
GSM signal strength is a number from 0 to 31.
Higher is stronger.
This table contains values and the equivalent RSSI.
Returned value | Equivalent RSSI (dBm) | Condition |
0 - 9 |
| Marginal |
10 - 14 |
| OK |
15 - 19 |
| Good |
20 - 31 |
| Excellent |
The quality of the signal is highly dependent on the location and environment.
The quality of the signal is highly dependent on the location and environment.
In the event you need to contact GB support, please include this information to speed up your solution. This data will also be included with the Alarm’s original packaging.
In the event you need to contact GB support, please include this information to speed up your solution. This data will also be included with the Alarm’s original packaging.
LAC and CID is basic information about the GSM tower to which the alarm is connected.
The CID is unique for each cell tower in each country (and operator), so it is possible to roughly geo-locate the alarm even when a GPS signal is jammed or unavailable.
The Cell ID and location of each tower/transmitter is not publicly shared by carriers - but this data is publicly shared on certain open Internet websites.
Example: http://www.opencellid.org.
LAC and CID is basic information about the GSM tower to which the alarm is connected.
The CID is unique for each cell tower in each country (and operator), so it is possible to roughly geo-locate the alarm even when a GPS signal is jammed or unavailable.
The Cell ID and location of each tower/transmitter is not publicly shared by carriers - but this data is publicly shared on certain open Internet websites.
Example: http://www.opencellid.org.
GPS signals may be weak inside a building - but are clearer when removed (as when stolen). |
Power management
The alarm is designed to work on both USB power or battery only. We added power management features to the firmware to ensure performance, safety, and maximize battery life. We highly recommend you operate on USB power.
USB power operation
Once USB power is connected, the alarm will automatically startup and come off Standby Mode. This allows you to program your alarm remotely without pressing the Standby/Reset Button. The alarm is also faster off standby when it needs to send an alarm SMS, since the GSM module is running and already connected to the GSM network. While USB power is connected, the built-in battery is charged until it reaches ~85%. Charging is slow (to minimise the risk of overheating and limited power provided by USB port) and from 0 to 85% can take up to 48 hours. Use the function status to determine battery condition. The alarm will periodically check battery status by itself.
When USB power is lost (i.e. the BATM power was disconnected from the grid during a robbery), the alarm will continue to operate in the same state as when it had power (the GPS will be trying to get an actual position, the siren will continue to honk, etc) however indicator LEDs (1,2,3) will be shutdown after a while to conserve battery power.
The alarm will continue in this state until the battery is down to ~3%, then the alarm will send the SMS ("Battery critically low, alarm will turn off") to all Alert Recipients and automatically “arm” to save any remaining power. The endurance of the battery is almost impossible to predict as it depends upon many factors: siren use, GSM transmission power, GPS signal strength, and the initial status of battery charge. Depending on these things, it can last from hours to days.
Battery only operation (Standby Mode)
The alarm can run on battery only. Power consumption in Standby Mode is so tiny that the alarm could operate for up to a year. You can’t program your alarm remotely (since it is on standby), until you take it off standby (press the Start Button). The alarm also won’t check the battery status in this mode, so you are responsible for periodic charging of the battery. If the alarm is triggered, it takes about 10 seconds to boot the GSM module and register with a GSM network, and in the case of a weak network signal it can take even more time. The alarm checks the status of the battery right after the GSM module boots, and if it is weaker than 5%, the alarm will return into Standby Mode. This feature is present to save the battery from total discharge, because deep discharging harms the battery and significantly reduces life expectancy .
Operating Notes:
This manual is valid for FW version: 1.00
Alarm SMS Retries
The alarm SMS is sent to all programmed telephone numbers once the alarm is tripped, and again every hour thereafter. This will continue until you disarm (turn off) the alarm.
Location Age
Once powered up, the alarm will be constantly trying to the get current GPS coordinates. Once the alarm receives an SMS location request, the alarm reply type depends on the age of the coordinates. If the coordinates were updated in the last 30 seconds, the alarm regards it as the current position. If the GPS coordinates are older, the alarm will send them as the last known location with the elapsed time since acquisition (e.g. 1540 s ago).
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