1 Warning Caution: • Pb free solder has a higher melting point that standard solder; Typicall the melting point is 50 - 70°F (30 - 40°C) higher. Please use a soldering iron with temperature control and adjust it to 750 ± 20°F (400 ± 10°C). In case of using high temperature solder- ing iron, please be careful not to heat too long.
3 Disassembly and Assembly Instructions 3.1. Disassembly Instructions 1. Remove the battery cover. 2. Unhook the housing B by inserting something like a slotted screwdriver into the bottom cavity as shown in the figure below. 3. Loosen a screw. 4 Schematic Diagram...