TAG Heuer power connection PTB 605 Small 4 pole bayonnet front view 1: GND2: N.C.3: +12 -18V DC 4: charger PTB 606 3 pole plug front view 1: GND2: charger3: + 12 – 15V DC PTB 605-2 (Printer) Small 4 pole bayonnet front view 1: GND2: N.C.3: +12 -18V DC 4: charger CP705 (v1) Small 4 pole bayonnet front view 1: GND2: printer charger3: + 12 – 18V DC 4: timer charger CP520 CP705 (v2) 3 pole plug front view 1: GND2: charger3: + 12 – 15V DC HL2-31 Small 4 pole bayonnet front view 1: GND2: – impulse3: + 6 – 12V DC4: + impulse HL650 3 pole plug front view 1: GND2: charger3: + 12 – 15V DC HL920 HL930 Small 4 pole bayonnet front view 1: GND2: + 12V DC3: + 18 – 24V DC 4: charger HL960 HL990 HL965 5 pole bayonnet front view 1: GND2: N.C.3: + 12 – 18V DC4: GND5: + 12 – 18V DC