It was just a caution that Naim preamps may not like driving longish cables as they are not designed for that. Just to note, the Hicap outputs 3,2 and 1 carry the same preamp out L&R signals you’d find on the 202 Standard output. Naim’s advice is to run these through the power supply hence why using these outputs is advised.
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It won’t do any harm when connected to the Creek, but don’t connect your future 200 to the Standard output on the 202 when using a Hicap (Results in a paralleled power rail) connect it via the Hicap only.
Yes you’ll need the remote unfortunately to reassign the inputs.