Solved: Potential alert issue with the ALP + RC M under the 25mph limit?

Vortex

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I met up with a guy today to test out his new ALP setup. I got there a few min before he did and when he arrived, I started shooting him with my PL3 as he got closer. It was IPT the whole way to me. When he got to me, he told me he wasn't getting any alert at all which really surprised me. I went back to look at the video (since I was shooting my phone through the viewfinder just to get some footage of laser guns in action for later) and noticed I first picked him up at 23 mph, under the 25 mph threshold.

Now I understand that the ALP won't fire under 25 mph, but he drove the entire length of the ~1500 ft long course and got up to around 40 mph without ever getting a single alert from the ALP. Nothing. This really surprised and concerned me. Even if the ALP's aren't going to fire, they should at least be detecting and alerting which being actively targeted. Effectively it was like he wasn't running any laser equipment at all and had no idea he was being actively shot.

Now I don't know if this is a bug with the ALP, with the RC M, or something about integrating the two, so I'm tagging both @BestRadarDetectors and @Jon at Radenso just in case.

After he arrived and we started testing normally, he was getting both alerts and jamming front and rear when over the speed threshold. His jammers are set to the 60 sec warm-up time after being shot where they don't alert again for a minute after the ALP's AutoJTK, but that wouldn't apply for the initial time he gets hit if he's under the limit.
 

Rossm812

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Wait, I thought the threshold was 20mph....

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Wait, I thought the threshold was 20mph....

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Oh it's probably 20 mph then. I forgot the exact number off the top of my head and knew it was something around there.

Edit: Looking back at the ALP's website, the default is 18 mph.
 
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Rossm812

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Neither here nor there the lack of alert is troublesome and concerning.

Assuming the latest firmware and factory reset after loading the firmware, and the configuration is all correct that could be a big problem

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Randy at Radenso

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Which version RC M and ALP Firmware is he using? Is he using a TX sensor? What does he have the ALP config settings as and what are his RC M laser settings?

Need way more info to troubleshoot - I'd suggest having him contact our support like with the answers above and they can help him.
 

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I don't know what version of the RC M and ALP he's using. He was running 2 Reg + 1 Tx up front. 1 Reg + 1 Tx rear. He's going back to his installer to get USB ports run for the ALP (he picked up the car before that part was completed) so he can go in and update the ALP and change settings.

I checked his RC M settings and it's set to laser detection on front and rear (for the RD), jammer on, and unlimited jam time.
 
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System

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If you have TX sensor(s) a stand-alone ALP system won't jam if initially targeted under the threshold neither. The no alert is troubling, but that might have a role in the no alert
 

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If you have TX sensor(s) a stand-alone ALP system won't jam if initially targeted under the threshold neither. The no alert is troubling, but that might have a role in the no alert
The no alert is due to settings. He probably has under LID set to parking instead of detection.

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The no alert is due to settings. He probably has under LID set to parking instead of detection.
That could be the case. It's not the default option, but perhaps the installer set it that way?

Either way, it's still strange that laser detection (much less jamming) won't activate if you first get shot below the speed limit and then drive up above the threshold. I can understand if you don't want the jammer to fire under X speed as a protective measure, but why continue to keep it in parking mode if the user is getting shot by laser? Shouldn't the jammer at least warn the user in some way as they progressively speed up?
 

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Its not the default setting but either the customer or dealer chose the setting which is why its quiet. I have seen some dealers even increase the speed limit above 40mph. People sometimes choose it in Banned areas so if pulled over there are no alerts and they do not have to worry about profiles.

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Its not the default setting but either the customer or dealer chose the setting which is why its quiet. I have seen some dealers even increase the speed limit above 40mph. People sometimes choose it in Banned areas so if pulled over there are no alerts and they do not have to worry about profiles.

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I understand that, but why would it continue to remain in parking mode as the user crosses over the threshold and continues to accelerate while the LEO targets them?
 

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I understand that, but why would it continue to remain in parking mode as the user crosses over the threshold and continues to accelerate while the LEO targets them?
In parking mode there is no laser defense. If an alert comes in during parking mode it will be ignored. If customer wants to be alerted stick with the default setting which is detection below the LID Speed. I dont know anyone besides a handful of people that use the parking mode below the speed setting.

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In parking mode there is no laser defense. If an alert comes in during parking mode it will be ignored. If customer wants to be alerted stick with the default setting which is detection below the LID Speed. I dont know anyone besides a handful of people that use the parking mode below the speed setting.

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Why does the jammer STAY deactivated (parking or detecting) when the driver then drives faster than the speed threshold?
 

Godowsky17

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Weird things happen when you shoot at an ALP below the threshold and then drive over it. I have the typical setting of detection only below 18mph, and when I get shot below 18mph and then accelerate above 18mph the system behaves oddly and will keep alerting but will not jam.

The solution to this is to set the ALP to detection below 18mph and not to parking mode, so that you will be aware you're being shot at and not accelerate over the speed limit. I can't see any reason to set it to parking mode in your area where jammers are legal. I agree it would make more sense for it to be programmed differently, but I don't think it's a bug, it's normal operation.
 

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I agree that it makes sense for people to have it in detection only mode under 18 mph in certain situations. For the people who want it to not detect at all, I could see that being useful in case they get pulled over in a banned area and a cop shoots their car to see if they have jammers and if alarms and lights go off. With parking mode only, there’s no indication that you have jammers. Great.

What I don’t understand is why the jammers would need to stay disarmed at speed. Here’s the video from today where I shot the car with ALP’s (Mercedes at the beginning). The driver never got an alert and it was full IPT.


I can understand the desire not to have an alert when stopped. I just don’t understand why the system should stay disarmed and not alert the driver once they’re at speed.
 
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BestRadarDetectors

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Why does the jammer STAY deactivated (parking or detecting) when the driver then drives faster than the speed threshold?
If you re-trigger above setting it will alert. Best thing user can do is use the external led if he wants to be aware of current status.

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thefrog1394

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If you re-trigger above setting it will alert. Best thing user can do is use the external led if he wants to be aware of current status.

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So no alert in pro mode, only indication would be external LED? What about the HiFi control pad LED?
 

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So no alert in pro mode, only indication would be external LED? What about the HiFi control pad LED?
If you are in parking mode there would be no alert regardless of pro-mode being ebabled. Please review my posts above to understand what is going on.

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thefrog1394

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I can understand the desire not to have an alert when stopped. I just don’t understand why the system should stay disarmed and not alert the driver once they’re at speed.
Definitely an edge case, but I could imagine circumstances where this could cause an issue. Someone accelerating aggressively from a stoplight without noticing a hidden LEO for example. The exhaust, wheel spin, etc could draw attention and encourage the LEO to lock on before limit is hit.

The video you posted is actually another interesting one. A LEO targeting every car coming around the bend like that would catch someone accelerating hard out of the turn to above PSL. Not sure if the typical LEO behavior is to stay targeted once a speed is acquired like you did or not though. But I guess if this "bug" (feature?) becomes known, it could be a new tactic to defeat jammers.

In the grand scheme of things probably not something I'd lose sleep over, but a good reminder that at low speeds with the TX head or HW4 you shouldn't count on being protected in 20/25mph zones. I'm also a big proponent of not speeding in 20/25mph zones b/c of the increased risk of pedestrian death if you hit someone, so maybe this is a good thing.
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If you are in parking mode there would be no alert regardless of pro-mode being ebabled. Please review my posts above to understand what is going on.

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Yea, I get that. I am asking whether there would be an alert above the LID limit even if in pro mode if initially targeted when below the LID limit. I'm guessing the answer is no. I'm also wondering if the LED on the HiFi control pad would illuminate in this situation.
 
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