143 • Appendix A: RK Link Phone App GX-3R Pro Operator’s Manual
3. Press “Pairing disconnection”. The GX-3R Pro is disconnected from the phone but remains on
and functional.
4. If BLE Auto Shut Off When Idle, accessible in the Datalogging or SDM-3R Program, is
selected (factory setting), the GX-3R Pro’s Bluetooth stays on for 5 minutes after
disconnection. After 5 minutes, the GX-3R Pro’s Bluetooth gets shut off to conserve battery
life. If you want to pair to the GX-3R Pro after 5 minutes of disconnection, you will need to
turn the Bluetooth back on in Display Mode.
If BLE Auto Shut Off When Idle, accessible in the Datalogging or SDM-3R Program, is
deselected, the GX-3R Pro’s Bluetooth stays on indefinitely after disconnection. You can
pair to the GX-3R Pro at any point after disconnection.