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[[Image:Jamming.gif|{{{general|size}}}|right]]
 
[[Image:Jamming.gif|{{{general|size}}}|right]]
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When a device detects GSM signal jamming, it activates the Jamming scenario. The device then starts a configurable timeout before responding that is intended to reduce false positives. After the timeout ends, the device generates an event record and digital output status is changed to 1 when configured If the device regains a GSM signal before the countdown ends, no event will be generated and output will not be controlled. This Digital Output activation can be used to trigger measures to disrupt potential thieves using GSM signal jamming to steal your vehicle.
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When a device detects GSM signal jamming, it activates the Jamming scenario. The device then starts a configurable timeout before responding that is intended to reduce false positives. After the timeout ends, the device generates an event record
 
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Connecting a Buzzer to the Digital Output to emit sounds as soon as jamming is detected is the most straightforward use of this scenario.
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The Digital Output can be directly connected to the vehicle's alarm system to ensure the thief can not avoid triggering it.
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It can also be connected to the central lock system to ensure that all the doors are locked.
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A relay can be used to disable the starter motor. Usually used with the Immobilizer scenario.
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Alternatively, the Digital output can also be connected to an LED visible to the driver to inform the driver when Jamming occurs.
      
'''Note that this scenario will not work with [[{{{model|FMB1YX}}}_Sleep_modes#Deep_Sleep_mode|Deep Sleep]], [[{{{model|FMB1YX}}}_Sleep_modes#Ultra_Deep_Sleep_mode|Ultra Deep Sleep]] and [[{{{model|FMB1YX}}}_Sleep_modes#Online_Deep_Sleep_mode|Online Deep Sleep]] modes, since they disable the device's GSM module to save power.'''
 
'''Note that this scenario will not work with [[{{{model|FMB1YX}}}_Sleep_modes#Deep_Sleep_mode|Deep Sleep]], [[{{{model|FMB1YX}}}_Sleep_modes#Ultra_Deep_Sleep_mode|Ultra Deep Sleep]] and [[{{{model|FMB1YX}}}_Sleep_modes#Online_Deep_Sleep_mode|Online Deep Sleep]] modes, since they disable the device's GSM module to save power.'''

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