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Old 26th April 2006 | 16:20
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From: MIRSI hold - give or take...
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Hi Gufo,

Yep - that's why you have to do it without any AC power being applied - hence 1) Cold aircraft 2) BAT on 3) STANDBY POWER switch to BAT etc. etc. - that shoud pretty much guarantee that it's not XFER BUS 1 supplying the power

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