# Pairing STRwrench to STpad

1. In the STpad Home page, tap Measuring devices.

2. On the upper-right corner of the Measuring devices page, tap Add

3. In the Measuring devices type window, tap STRwrench.

   After selecting STRwrench, the Connection category is automatically displayed.

   The General category is automatically filled after the pairing process.

4. In the Connection category, configure the following parameters:

   - Connection type: not available. It is set to IRC-B.

   - Trace read: select one of the following option for the trace reading from the STRwrench:

     - Always: the traces are always read.

     - NOK only: only NOK traces are read.

     - Never: the traces are never read.

   - Residual double results: select the check box to save torque/angle values of both the Residual point and the Peak point.
     If the check box is not selected, only the torque/angle values of the Residual point are saved.

   - Residual max torque behavior: select the check box to have a Not OK result status of the test, when the residual point is within the limit and the peak point goes beyond the maximum torque.
     If the check box is not selected, the result status of the test is OK , when the residual torque is within the limit and the peak point goes beyond the maximum torque.

5. In the Connection category, tap on Pair.

6. Switch on the STRwrench and press on the keyboard in this sequence: ON/OFF (), UP/LEFT (), SELECT () and DOWN/RIGHT ().

7. When the STRwrench is in the Waiting PIN status, tap Pair on the STpad.

8. At the end of the pairing process, on the Pairing window tap OK.

9. On the upper-right corner of the Add STRwrench page, tap Save.

For further information, refer to STpad Configuration Manual.