25
12.
Troubleshooting
Problem
Solution
Device stops responding
Press reset button on the rear side. This does not erase
your data or settings.
Device does not reconnect to app Turn device off and on again, go to the settings in the
app and press on the Sensors tab. Make sure, that
Bluetooth is enabled in your telephone.
Speed/cadence sensors are not
found in bike computer mode
Make sure, that sensors are connected properly.
Magnets must be near enough the sensors. Turn the
wheels to wake the sensors up. Pair the sensors as
explained in 7.2.1.
Speed/cadence sensors are not
found in app mode
Make sure, that Bluetooth is enabled in your phone and
you have activated the Bike Computer package as
explained in 8. Go to the settings and Sensors, turn the
device off and on and wait until the device is found.
Firmware update gets stuck
Close the app and wait until the update window on the
Core disappears. Reset the device, if the update window
won’t disappear. Check the WiFi connection on your
phone, then start the app again and repeat the update
process.
Clearing user data/Restore
factory settings
Hold button A to open the settings screen. Tap button C
and choose “Reset to default”, press button B to
confirm.
Device does not power on
Charge the battery completely. If the battery is empty,
the device may only turn on after some hours of
charging.
13.
Specifications
Display
Approx. 5.08 cm / 1.87" FSTN; resolution: 128 x 60 pixels
Battery life
Max. 85 hours; using with continuous background
illumination: approx. 35 hours
Battery type
Li-Poly with 680 mAh
Charging time
1.5 hours
Dimensions / Weight
81 x 46 x 12 mm / 50g
Input & Output
4 b 1 reset button; Bluetooth 4.0 SMART;
buzzer; light sensor; background light
Memory
MCU 512k flash and external flash 2MB
Sensors
Speed/cadence, heart rate (not included)
Water rating
IPX5
Working temperature
-10° C to 60° C