Vs. Ice Climber Dual (Japan) dip switch settings:
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Dip bank #1:

COINAGE LEFT SIDE: (dips 1-3)
 - 4 Coins/1 Credit        ON ON  OFF
 - 3 Coins/1 Credit        ON  OFF ON
 - 2 Coins/1 Credit        ON  OFF  OFF
 - 1 Coin/1 Credit*         OFF  OFF  OFF
 - 1 Coin/2 Credits         OFF  OFF ON
 - 1 Coin/3 Credits         OFF ON  OFF
 - 1 Coin/4 Credits         OFF ON ON
 - Free Play               ON ON ON
LIVES LEFT SIDE: (dips 4-5)
 - 3*                                   OFF  OFF
 - 4                                    OFF ON
 - 5                                   ON  OFF
 - 7                                   ON ON
UNKNOWN: (dip 6)
 - Off*                                         OFF
 - On                                          ON
UNKNOWN: (dip 7)
 - Off*                                             OFF
 - On                                              ON
 - Off*                                             OFF
 - On                                              ON


Dip bank #2:

COINAGE RIGHT SIDE: (dips 1-3)
 - 4 Coins/1 Credit        ON ON  OFF
 - 3 Coins/1 Credit        ON  OFF ON
 - 2 Coins/1 Credit        ON  OFF  OFF
 - 1 Coin/1 Credit*         OFF  OFF  OFF
 - 1 Coin/2 Credits         OFF  OFF ON
 - 1 Coin/3 Credits         OFF ON  OFF
 - 1 Coin/4 Credits         OFF ON ON
 - Free Play               ON ON ON
LIVES RIGHT SIDE: (dips 4-5)
 - 3*                                   OFF  OFF
 - 4                                    OFF ON
 - 5                                   ON  OFF
 - 7                                   ON ON
UNKNOWN: (dip 6)
 - Off*                                         OFF
 - On                                          ON
UNKNOWN: (dip 7)
 - Off*                                             OFF
 - On                                              ON
 - Off*                                             OFF
 - On                                              ON

* - default setting