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Dip switches used by this game
4nin-uchi Mahjong Jantotsu
Manufactured by
Sanritsu,
Released in
1983
ROM Version:
4nin-uchi Mahjong Jantotsu
Dip Switch:
SW1
1
2
3
4
5
6
7
8
Function
Option
On
Coinage
1 Coin/1 Credit*
Off
1 Coin/2 Credits
On
On
Off
Player vs. CPU timer decrement speed
110*
On
Off
Off
130
Off
On
Off
150
Off
Off
Off
170
On
On
On
30
On
Off
On
50
Off
On
On
70
Off
Off
On
90
On
On
On
Player vs. Player timer decrement speed
100
On
Off
On
120
Off
On
On
140
Off
Off
On
160
On
On
Off
180*
On
Off
Off
200
Off
On
Off
220
Off
Off
Off
240
Dip Switch:
SW2
1
2
3
4
5
6
7
8
Function
Option
Off
Off
Off
Difficulty
Easy*
On
On
On
Hard
Off
Off
On
Normal
On
Service Mode
Off*
Off
On
Off
Play BGM
Off
On
On*
On
On
Background Color
Black
Off
On
Blue*
On
Off
Green
Off
Off
Purple
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