Caterpillar — Programming Inputs and Outputs
Operation · PRCM
From a Caterpillar service manual — check it applies to your exact model before use.
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Procedure
- Select output (characters 1-4) using UP and DOWN buttons.
- Press LEFT and RIGHT to go to the logical relation state.
- Toggle logical relation with UP and DOWN buttons.
- Press LEFT and RIGHT to go to input selection.
- Select input subset with UP and DOWN buttons.
- Press LEFT and RIGHT to select the entire field of inputs.
- Select input code with UP and DOWN buttons.
- Press LEFT and RIGHT to proceed to the select all state.
- Press SELECT to accept changes or LEFT/RIGHT to reject them.
- Press ENTER to exit the programming mode.
Source: Caterpillar service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.