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Knowledge Base: Bluetooth Pairing and BiSym Zeroing

Overview

Use this article to (1) pair the tablet to Bluetooth (2) connect/configure BiSym for the first time (3) zero and reset BiSym calibration when needed.

Procedure

Part A — Pairing to Bluetooth

  1. On the tablet home screen, open Settings (gear icon).
    BiSym Pairing and Setup (1)
  2. Click on “Connections” (Samsung One UI) or “Connected Devices” (stock Android) and then choose “Bluetooth”
    BiSym Pairing and Setup (3)
  3. In “Available devices”, click on the available device to pair to your BiSym board (the name should start with “BiSym” or “RTN”).
    BiSym Pairing and Setup (4) 

    On some non-Samsung (stock Android) devices, you may need to click on “Pair New Device” to access the pairing screen.
    Teclast Bluetooth (3)Teclast Bluetooth (4)

Part B — Connecting to BiSym

  1. Click on the BiSym icon on the home screen.
    BiSym Pairing and Setup (5)
  2. On the main screen of BiSym, click on the three dots in the upper right corner, then click on “Configuration”
    BiSym Pairing and Setup (6)
  3. In the password dialog box, enter “mobility” as the password.
    BiSym Calibration (2)
  4. Click on Select Device button.
    Select Device 
  5. If there is only one BiSym device paired, the app should connect to that device automatically. If there are more than one paired BiSym devices, choose from the list in the dialog.
    BiSym Pairing and Setup (7)

Part C – Configuration Screen
BiSym Config Diagram

Part D — Zeroing BiSym weights

  1. Connect the BiSym harness to the LiteGait without any additional weight on the harness.
  2. Ensure the harness/straps are unloaded and motionless (nothing touching the harness and no floor contact).
  3. In the BiSym app, open Configuration (three dots → Configuration) and enter the password mobility if prompted.
  4. Press the Zero button to set the zero.
  5. Press Apply to save and exit, then confirm readings are at/near zero with the harness still unloaded.

 

Troubleshooting

BiSym will not connect

  • Confirm Bluetooth is enabled on the tablet.

  •  

    Verify BiSym is powered and in range.

  •  

    In the BiSym app, use Select Device again and reselect the correct device.

     

  • If multiple devices are paired, ensure you select the correct “BiSym/RTN” entry.

Cannot access configuration

  • Re-enter the Configuration password and confirm correct capitalization.

Zero is inaccurate / readings offset

  • Ensure harness/straps are attached, unloaded, and completely motionless before pressing Zero.
  • Confirm nothing is contacting the harness/straps (no hands, floor contact, etc.).
  • Press Apply after any changes, then re-check the reading.

Settings do not appear to save

  • Confirm you pressed Apply to save and exit.
  • Reopen Configuration to verify the change persisted.

Support Contact Information

If issues persist after performing the troubleshooting steps, contact technical support:

  • Phone: (480) 731-3123
  • Email: Service@litegait.com
  • Website: https://litegait.com/page/service-contact-us