[(I agree with Techknight, but
As a note - Is the 5300 keyboard fully compatible with the 3400c? (just as a warning - i don't think i'd personally leave it in there permanently - but i'm not 100% sure about compatibility, but I don't think they are - it also may not matter much. They are labeled differently in the 5300 and 3400c manuals, respectively [i think the Kanga keyboard may also be labeled differently]).]
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