SPY HUNTER
Manufacturer: Bally Midway
Year: 1983
Genre: Racing
Orientation: Vertical 
Conversion Class: See Pinouts
DIP Switch Settings:
gkam@newbridge.com
DIP SW. 1 (@ B3 on Sound I/O board)
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sw 1-9:  Not used
sw 10:   0 = Norm. operation
         1 = Freeze video

DIP SW. 3 (@ D14 on Sound I/O board)
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sw 1:   1 = sound i/o diagnostic mode
        0 = normal mode
sw 2:   1 = RAM/ROM test mode
        0 = normal mode
sw 3:   1 = oscillator test mode
        0 = normal mode
sw 4:   1 = filter test mode
        0 = normal mode

Note: - if sw 1 is 0, all other switches are ineffective.
      - during RAM/ROM test, "fast" yellow LED flash = bad ROM,
        "slow" = bad RAM
      - for other settings, see self-test mode.