In article , David Harris
writes

Hi,

Just need to recharge the NiCad internal battery on my 7100 before selling.

Unless you mean the 4 x AA cells there is no internal Nicad battery.
There is a 5.5v, .22f backup capacitor for CPU/memory retention.

Anyone confirm the correct polarity on the external power socket ?

Centre pos or centre neg ??

Centre.

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Cheers,
JC
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