This is from an SP1105 PSR sheet that's for a 3 coin Pinball chip...closest one I have...>>>
SELF TEST MODE
Pressing the self test switch or the Bet One Credit player switch “pages” forward through the self test mode, and pressing the Play Max Credits player switch pages backward.
To move through the options pages within page zero <0>, turn the jackpot reset key.
To change settings within an options page, press the Spin Reels player switch.
The Change switch is not used to set self test options in this version.
During a tilt condition, only the WAMM machine address and the bill acceptor tilt mode can be selected or altered.
The numbers appearing below enclosed in < > represent the self test page number, [ ] represent the option number, and { } represent the setting.
The self test pages appear in the following order:
Reel Game
Volume Control <0> [3] Sets the volume for all sounds and music produced by the sound generator (for the reel game).
Options range from loudest volume level {1} to lowest volume level {9}.
This option defaults to {1} on cold power up.