Passport 9500ci: best install spots
Radar Roy says that putting 3 up front is not better. Something to do with timing and the jamming light interfering. Just FYI - I happened to be reading about this.
Oops! - I probably should have continued to read the thread. You guys have discussed it all and seem to know what you are doing.
Anyway - I am going with Laser Interceptor in the near future - it can also be used as a "parking assist" - haha - so it has a useful "primary" function. The performance of the Laser Interceptor seems to be better than the Escort Laser system. I was all stoked to get an Escort 9500 installed system, but now I think I am going with a 9500 stand alone unit on the dash with a simple wire hide along the windshield and dash area leading to the fusebox, and a laser interceptor installed system - for the best of both worlds. I really wish the Escort Laser thing was rated higher, but that Radar Roy guy and others all state that the Laser Interceptor is the best - so I'm buying into that idea.
Last edited by buddyk; Feb 19, 2012 at 11:41 PM.
The reason when you used the rear license plate shifter on the license plate on the front, the results were worse because when shooting the center of the car you could have possibly only activated the center shifter (without the headlight shifter firing), then when shooting the head lights then activated them causing two out of sync jamming algorithims to be sent back to the LIDAR gun. Another possibility is that the rear license plate shifter head may have more LEDs in it than the front shifters. Your results could be due to the competing jamming algorithms at the same intenisty vs. two competing jamming algorithms at different intensities.
(FRONT) (FRONT) (REAR)
I wonder if one arranged them driven by the following ports, if the chance of interference of the jam signal would be less likely or more likely?
(FRONT) (REAR) (FRONT)
The counter argument that the two ports (front ports and rear ports) are controlled by independent signal generating algorithms that could result in pulses shooting out that are out of sync and counter-productive, does sound valid , so minimizing the chance of both types of front mounted emitters broadcasting at the same time seems like good goal. I wonder that rear port driven front emitter being center vs a side would increase or decrease that possibility.
The indication from the counter argument supported by a supposed Passport source was that the rear emitter was the same (electrically) but clearly just has a different arrangement and density or aim to its IR emitter laser LEDs. I can imagine the rear-plate designed LED bar with its wider spread of LEDs could have them aimed at a wider swath (designed to be the lone emitter at center of one end of the car)... so its use with the more constrained focus of the front facing emitters does make a difference. Did anyone get any idea in testing what the fan out of the front emitters is? Aiming the front emitters (if mounting 3 front type emitters) so as to minimize the overlap, could help here.
As another option, I wonder (I may look into this) if one can modify the patch box they all plug in on to have the 3rd (rear) sensor/emitter also feeding and being driven by the front unit signal ports.. so all 3 front facing would then emit the exact same signal in sync. IE all 3 driven by the same jamming algorithm. (yeah, it voids the warranty) Any thoughts?
Looking at the circuit board, I can see where the front and rear ports are routed (2 of the signals on the bottom.. maybe the other 2 on the other side of the PCB), so having the signals driven by the same circuit may not be hard (if they official two fronts are electrically connected already, that is, and don't get independent power supplied via their own amps):
Last edited by Minok; Mar 10, 2013 at 08:04 PM.
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