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12. Nixie tube mounting order
Nixie tube mounting is most responsible work, because it is very difficult to de-solder its wires
without PCB damage if they mounted incorrectly. You must follow our step-by-step assembly
instructions. For clock six pcs IN-14 nixie tubes are necessary.
12.1. For each tube cut wires until ~15-30 mm length. By using long nose pliers, smooth out an each
tube wire.
12.2. One by one begin to install tubes into the PCB relevant placement holes. Lead marked by black
bar is anode. You must insert it into the hole of placement marked by [N1 … N6].