IRDA-WELDER T-890 USER MANUAL
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5). Press “F2” button, the lamp starts heating up according to the setting temperature.
6) Each temperature wave purposes as follows:
Wave one; use the same with soldering the less lead paste, like 85Sn/15Pb 70Sn/30Pb
Wave two; use the same with unsoldering the less lead paste, 85Sn/15Pb 70Sn/30Pb
Wave three; use the same with soldering the more lead paste, like 63Sn/37Pb
60Sn/40Pb.
