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This is my 5th QCX/QMX kit and I'm "approaching with caution" so please excuse this somewhat obvious question!

I've noted that this ( QMX+ ) is a 6 layer board and requires longer soldering time and higher temperature in order to make good contact, particularly on the grounded components. My solder station will go up to 480 which is somewhat high ! I've soldered some of the capacitor's joints look more than suspect ! (mostly the grounded side ). My question is what is a safe temperature to solder without damaging any components ??

Thanks, in nervous anticipation !!!