(3) Third card
Dialing code: switch 2 upward, switch 1 / 3 / 4 downward
(4) Fourth card
Dialing code: switch 3 upward, switch 1 / 2 / 4 downward
(1) First card (The white part is the switch position)
Dialing code: Switch 1 / 2 / 3 / 4 downward
(2) Second card
Dialing code: switch 1 upward, switch 2 / 3 / 4 downward
