STwrench User Guide Working with Power Focus
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• Connect the SL cable between the STwrench and the cable box.
• Connect the red cable of the adapter to the connector named “I/O BUS” on the Power Focus
• Connect the grey cable of the adapter to the connector named “RS232(2)” on the Power Focus
See the chapter STwrench Cable Box for more information of Power Focus connectors.
To allow the STwrench to work with the Power Focus, the Power Focus mode must be activated as
follows:
1. Turn on the STwrench.
2. During the cell and gyroscope zero automatic adjustment, press the DOWN, OK and BARCODE
buttons on the wrench keyboard in that order:
3. At the end of the zero adjustment, the wrench goes into Power Focus mode, and the cable icon is
shown in the left-upper corner of the display:
For this mode, the Power Focus must be set properly. Enter the Tool → Configuration → Radio menu in
Power Focus and set as follows:
• T290 Primary Tool: STwrench cable
• T294 Serial Port: Serial 2
NOTE: To return to the normal working mode, perform the same procedure, pressing the
wrench buttons in the reverse sequence (BARCODE, OK and DOWN).