These use radar to detect nearby vehicles and warn if a lane change is dangerous. That's because K-band police radar shares the frequency with BSM (Blind Spot Monitoring) systems. On this band less sensitivity is desirable. On K band the Redline XR placed midway between the Max 360 and Redline EX. For comparison purposes we included the latest version of the Redline, the EX. We tested against radar at our Hill/Curve test site. ![]() But it did benefit from our slow speeds over much of the loop, where its software automatically dialed back sensitivity to help keep it quieter. In this test the biggest advantage of GPS was denied the Max 360-it was seeing the route for the first time and hadn't yet locked out the door openers. In contrast, the Escort Redline XR was quieter with six false alarms, all on K band. The Escort Max 360 barked 10 false alarms, one each on X and Ka bands, the rest of them K-band. When we made one more lap with each contestant, both Escorts were run in Auto mode to minimize false alarms. We found that most were caused by radar-controlled door openers. On the first lap we logged the false alarms using a built-in model, the Escort Passport 9500ci. The Escort Redline XR delivered significantly better Ka-band range (blue and red bars) than its siblings, important since Ka is used by nearly all state police. Aside from 26 miles of freeways, the remainder was split evenly between city streets and county roads. To measure resistance to false alarms we created a 91-mile-long urban loop. Once paired, the smartphone displays real-time speedtrap warnings overlaid on a map and also controls the detector Using a special coiled Smart Cord with built-in Bluetooth, it links detector with smartphone, either iPhone or Android, and uses the smartphone's GPS. The same technology warns when a red light or speed camera is neared.Įscort Live ($99 MSRP) is an app available for the Redline to give it the same capabilities. The Max 360 uses it to combat false alarms from automatic door openers. The Escort Redline XR doesn't have the GPS of the other Escort. Most noticeable is that the LEDs remained crisp and readable on sunny days. We found it superior to the OLED display in the Max 360. The LED display is inset into the case, shielded from the sun and easily read. Unfortunately, the Passport Max 360 has plenty of both. Its housing is matte-black and there are no chrome buttons or eye-catching graphics on top to reflect annoying mirror images into the windshield on sunny days. The Escort Redline XR targets the sophisticated road warrior. The Escort Passport Max 360 (and 360c) antennas point fore and aft instead, allowing it to depict the direction of an incoming radar beam. Both are forward-facing, a move to heighten sensitivity and increase detection range. It's one of the few windshield-mounted detectors with dual radar antennae, for example. What gives the Escort Redline XR its long range is advanced technology, a clever design and premium components. But how does it stack up against the latest Escorts, like the Escort Passport Max 360? We decided to find out. The Escort Redline XR holds the record of the world's longest range-we measured 14.2 miles under perfect conditions. The following example shows a 1 value for a metric stream, which indicates that the compute instance corresponding to this metric stream didn't emit CpuUtilization metric data until 1:30.įor alarm troubleshooting, see Troubleshooting Alarms.Phenomenal range and quick response make the Escort Redline XR a favorite of enthusiasts. In the metric chart on the Create Alarm page, a dashed red line indicates the absence threshold. If OCI Compute adds a dimension to CpuUtilization, then the alarm is triggered, regardless of the presence of other metric streams. For example, consider the query CpuUtilization.absent(). Without groupBy, the alarm monitors all metric streams. ![]() If OCI Compute adds a dimension to CpuUtilization, and other metric streams (from other dimensions) aren't absent, then the alarm isn't triggered. The previous example query triggers the alarm when no metric streams exist for the instance. With groupBy, the alarm monitors grouped metric streams only. A new dimension creates an initially empty metric stream. ![]() Using groupBy prevents irrelevant alarm triggers when OCI introduces new dimensions. We recommend including groupBy in the query of the absence alarm.
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