Dell Bluetooth Keyboard Folio WK415 - Manual (Page 10)

10 │ Troubleshooting
Communication
Type
Bluetooth Low Energy (BLE)
Operating range Up to 10 meters
Operating voltage 3.0 VDC
Operating current 20 mA
Power consumption when
Bluetooth is on 750 µA
Batteries
Slots
Two
Type Coin-cell non-rechargeable battery
Life span (approximate) 12 months
Operating voltage 2.5 V–3.0 V
Keyboard Environment
Operating temperature
0°C to 60°C
Storage temperature -40°C to 70°C
Operating humidity
(maximum) 90% relative humidity, non-condensing
Storage humidity (maximum) 95% relative humidity, non-condensing
Troubleshooting
Check for the following symptoms and solutions if you are experiencing
problems connecting the keyboard to your tablet.
Keyboard is not turning on
1. Check if the insulation strip is removed.
2. Check if the batteries are installed properly.
3. Try replacing the batteries with new batteries.
4. Slide the power switch on the keyboard and make sure the
power-status light turns on.