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Navigate to the Engineering – Safety Encoders screen on the GIS HMI.
Verify that the position value in ‘Target Home Position’ matches the main axis encoder. If they do not match the zero offset must be adjusted (see How to adjust the Telescope Safety Encoder).
Press ‘Set Safety Encoder Home Position’ push button.
Verify that the value in ‘AB Encoder Current Position’ now matches the main axis encoder.
Verify that any warnings associated with 'Encoder not homed' have disappeared.
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This procedure requires that the telescope main axis encoders be available and properly indexed. |
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