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| Place the battery -4- with the positive terminal downwards in the sender unit (positive terminal is marked on housing). |
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| Now place the contact plate -3- on the battery -4-. |
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| Place battery -2- with the positive terminal downwards on the contact plate and secure. |
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| Bring transmitter unit upper part -1- together with transmitter unit lower part -5- and clip together. |
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| Then clip transmitter unit to the key. |
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