OFFLINE

I have two garmin speed/cadence sensors which I use with a Bryton 50.  On one of the sensors the speed arm has broken off and so you can no longer get speed readings.  When I used this broken sensor with a Garmin 705 my speed was still reported.  When I use it with the Bryton 50 I get a speed of 0.  This suggests that when a speed/cadence sensor is detected that the GPS calculation of speed is superceded by that from the speed sensor.

Is this correct?

I would prefer that GPS always has priority and that if present, the speed sensor is only used when a GPS signal is not available.

OFFLINE

In my experience the speed/cadence sensor succeeds the GPS. I washed my bike awile back and moved the magnet on my wheel and didnt realize it.  I went for a ride and it showed zero speed, zero distance but registered the cadence which used a different magnet.  Once I moved it into position I got speed and distance readings again.

OFFLINE

Originally Posted by Steven Laycock:
I have two garmin speed/cadence sensors which I use with a Bryton 50.  On one of the sensors the speed arm has broken off and so you can no longer get speed readings.  When I used this broken sensor with a Garmin 705 my speed was still reported.  When I use it with the Bryton 50 I get a speed of 0.  This suggests that when a speed/cadence sensor is detected that the GPS calculation of speed is superceded by that from the speed sensor.

Is this correct?

I would prefer that GPS always has priority and that if present, the speed sensor is only used when a GPS signal is not available.

excusemy off topic, but you use garmin sensor with bryton without problems?

OFFLINE

I assume it would be find if the sensors are ant+  I use the bontrager Duotrap on my bike and it works fine.

OFFLINE

Every ANT+ sensor will work with the Rider 50.

OFFLINE

Sensor reading will always be priortized over GPS reading. Once Rider 50 detects combo sensor, it collects the data from the sensor instead of GPS.

OFFLINE

Sensor reading will always be priortized over GPS reading. Once Rider 50 detects combo sensor, it collects the data from the sensor instead of GPS.

OFFLINE

Makes sense to me - I suppose the sensor will always have a better quality than the GPS that can be good one second and loose quality the next second (e.g. riding in a forrest etc.).

OFFLINE

I'd prefer it the other way around, same as on the Garmin Edge series.  Speed sensors on wheels are very sensitive to tyre pressure to get the correct circumference.  I normally ride at 120 psi but I know that over the period of a week the pressure drops to 90 psi.  This can change the effective circumference of the wheel quite a bit when you weight in at 105kg.

I do agree that different riders have different needs so the user should be able to select which has priority so that the tree cover problem as outlined by Andreas doesn't cause problems.

OFFLINE

Originally Posted by Steven Laycock:
I do agree that different riders have different needs so the user should be able to select which has priority so that the tree cover problem as outlined by Andreas doesn't cause problems.

Agreed: there should be a choice for that.

OFFLINE

You already have that Choice!

OFFLINE

That was a bit cryptic.  Care to explain what you mean.

OFFLINE

Agree with Andy since GPS could be covered or interfered by objects.  That was also the idea when we first designed this function.  

OFFLINE

Originally Posted by Bryton Sport:
Sensor reading will always be priortized over GPS reading. Once Rider 50 detects combo sensor, it collects the data from the sensor instead of GPS.

I assume that the GPS map of the journey, climbs, etc? will still be captured?

OFFLINE

Yes, the other GPS functions will still work unless you turn off the GPS.