Midway Hydro Thunder 25in Upright Service Manual

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GAME OPERATION
DESIGN PHILOSOPHY
This game uses an “Arcade Computer” to control its functions. The “Arcade Computer” is a hybrid cross
between the custom game computer circuits used in most games and the personal computers found in
many offices. The “Arcade Computer” uses a familiar case enclosure with a motherboard, plug-in cards, a
modular power supply, disk drives, etc., but it has been optimized specifically for playing this game. This
design permits improved upgrade and service access...

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OPERATOR CONTROLS
CABINET CONTROLS
♦ The DIP Switches set some system variables. You can set other variables in the menu system.
♦ The Monitor Remote Control Board allows you to adjust the video display for optimum viewing.
♦ The Cabinet POWER Switch turns off the entire game, but does not reset game variables.
♦ The Computer POWER Switch turns off the computer. It is internally located. Use it for servicing.
CONTROL SWITCHES
♦ TEST MODE Button causes the game to enter the menu system. Press...

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GAME FEATURES
STARTING UP
Each time the game is first turned on or power is restored, it begins executing code out of the boot ROM.
These self-diagnostic tests automatically verify and report condition of the CPU and the game hardware. If
any of the individual tests fails, the game may display an error message.
Once all Power-up tests are complete, the game goes into the “attract mode”. Scenes and sounds from a
typical game alternate with previous high scores in an endless pattern until game...

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MENU SYSTEM
SYSTEM OVERVIEW
A series of on-screen menus present game variables and diagnostics. The Main Menu screen allows the
operator to view information, make changes, or verify equipment operation. Each Sub Menu screen
displays one specific group of choices. Detail Menus present data or run the required tests. You must be
at the Detail Menu level to detect errors, make changes, or activate tests. The operator control switches
are used to move through the menus, select items, and start...

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OPERATOR MENU
MAIN OPERATOR MENU SCREEN
The Operator Menu is the top-level screen of the Menu System. It presents the general categories of
operator selectable items. All subsequent screens show more detail than this one. This screen does not
permit changes. This is the only menu that allows the operator to exit from the menu system by choosing
Start the Game.
Unlock and open the door to use the operator control switches. Press the TEST button to enter the
Operator Menu screen. Use the...

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GAME AUDITS
GAME AUDITS MENU SCREEN
The Game Audits Menu provides the operator with options for various summaries of the game statistics
and audits. Detailed reports give statistics based on player selections and performance.
To view a report, use the operator control switches to select the Game Audits Menu and a specific report.
Press TEST to activate the report. Follow the on-screen instructions to continue to other menu screens.
Use the information in these reports to keep records of the...

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GAME STATISTICS
GAME STATISTICS SCREEN
The Game Statistics report displays general information about coin counts and game usage. Use the
operator control switches to select Game Statistics from the Game Audits menu. Press TEST to enter
the Game Statistics display. This screen reports information but does not permit changes.
The Coin Count and Bill Count items permit the operator to assess currency collection. The other items
present information on game operation.
Reset, link, and sync...

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AUDITS TOTALS
AUDITS TOTALS SCREEN
The Audits Totals display additional information about player statistics and ability. This information
assists the operator in understanding game usage and profitability. Use the operator control switches to
select Audits Totals from the Game Audits menu. Press TEST to enter the Audits Totals display. This
screen reports information but does not permit changes.
Free Games Won remains at zero if the bonus and award options are set to OFF. Refer to the...

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AUDITS BY TRACK
TYPICAL AUDITS BY TRACK SCREEN
The Audits by Track report gives operators more specific information about player choices and ability.
Use the operator control switches to select Audits by Track from the Game Audits menu. Press TEST to
enter either display. This screen reports information but does not permit changes.
There are several pages of these audits. The name of the track appears at the top of the page. Press the
VOLUME UP or VOLUME DOW N buttons to move through these...

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AUDITS BY BOAT
TYPICAL AUDITS BY BOAT SCREEN
The Audits by Boat report gives operators more specific information about player choices and ability.
Use the operator control switches to select Audits by Boat from the Game Audits menu. Press TEST to
enter either display. These screens report information but do not permit changes.
There are several pages of these audits. The name of the boat appears at the top of the page. Press the
Volume Up or Volume Down buttons to move through these pages.