OT-2 Attachment Steps
To install the Heater-Shaker on your OT-2:
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Choose the supported deck slot you want to use for the module and press it gently into place. 
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Holding the module, use the T10 Torx screwdriver that came with it to turn the anchor screws clockwise to tighten the anchors. The module is secure when it doesn’t move while gently pulling on it and rocking it from side to side. Warning The shaking motion of the Heater-Shaker requires anchoring to help ensure it does not dislodge itself while in operation. 
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Connect the USB cable to the module and to a USB port on your OT-2. 
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Connect power cable to the module. The Heater-Shaker has an asymmetrical 4-pin power connector. When connecting the power cable to the module: - Match the connector's flat side to the flat side of the module's power port.
- Aligned cables attach easily; misaligned cables do not.
- Do not plug the power cable into a wall outlet until instructed to do so.
   
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Connect the power cable to a wall outlet. Gently press the on/off switch to turn the module on. 
If the temperature and status LCDs are illuminated, the module is powered on.
When successfully connected, the module appears in the Instruments and Modules section on your robot’s device detail page in the Opentrons App. From there, you can control the module’s labware latch or run a test shake (see the Software Control section below). The Heater-Shaker does not require calibration on an OT-2. At this point, the module is ready to use.