Self-test
•
2P
MIN
shows the minutes played as a 2-player game.
•
AVG
shows the average game time in minutes
and
seconds.
The
game
time
histogram
is
shown in the middle of the
screen. The histogram shows the length
of
games played
in 15-second increments, except as indicated.
All
statistical information is accumulated from the last
time the statistics were reset.
To
reset the statistics, hold
the player 1 joystick to the right, the player 2 joystick to
the left, and press the player 2 start button. The message
WORKING
appears
for
about
6 seconds
and
then
the
screen will
be
redrawn with all values zeroed.
To
go
on
to the next test, press the player 1 start button.
Coin Options
The coin options screen indicates the current coin option
settings
and
is
used to change those settings.
Push the player
1 joystick left or right to select which op-
tion to change. Push the player 2 joystick left or right to
change the values
of
the selected option. Note that the
factory default
of
each option
is
highlighted in green.
• COIN MODE indicates the current cost of each game.
• The
RIGHT
and LEFT MECH MULTIPllER options each
allow you to set various coin denominations.
• BONUS
ADDER
is
used to vary coin denominations or
reward players
who
insert more than
one
coin at a
time. The option
of
Free
Play
is
also included as one
of
the BONUS ADDER selections.
To
cancel the coin option changes
and
restore the origi-
nal settings, press the player 2 start button.
NOTE
If
you replace the
EEROM
at location 65F
or
if
a hardware problem occurs, the coin op-
tions change
to
the
default (green) settings.
Press the player 1 start button to set the game for the op-
tions selected
and
go
on
to
the next screen. Exiting from
the coin options screen by turning off the self-test switch
will
not
set the game for the selected coin options.
Game Options
The game options screen indicates the current game op-
tion settings
and
is
used to change those settings. Push
the player
1 joystick left or right to select which option to
change,
and
push
the player 2 joystick left or right to
change the value of the selected option. Note that the
factory default of each option
is
highlighted in green.
• DIFFICULTY controls the overall difficulty level of the
game.
•
ATTRACT
MUSIC controls
whether
or
not
music
is
played during the Attract mode (once every
10
minutes).
• AUTO HIGH-SCORE-TABLE RESET automatically resets
2-2
Tetris
the high-score table after 2000 games if no player has
achieved a high score in the last
200
games.
To
cancel the game option changes and restore the origi-
nal settings, press the player 2 start button.
Press the player 1 start button to set the selected options
and go
on
to the next screen. Exiting from the game op-
tions screen by turning off the self-test switch will
not
set
the selected game options.
EEROM
Reset Options
The
EEROM
reset options screen is used to clear
or
set
certain areas of the
EEROM
(nonvolatile memory). Move
the player
1 joystick left or right to move the red box to
the desired option. Note that the factory default
of
each
option
is
highlighted in green.
• RESET HIGH-SCORE TABLE sets the High-Score Table
entries to the defaults stored in
ROM.
•
SET
OPTIONS TO FACTORY DEFAULTS sets the coin
and
game options to
the
factory defaults
stored
in
ROM.
• INI11AIJZE EEROM initializes the data in
EEROM.
You
should
only
use
this
when
you have replaced the
EEROM
device located at
65F
because this clears all
accounting information.
To cancel the
EEROM
reset options
and
restore the origi-
nal settings, press the player 2 start button.
Press the player
1 start button to perform the selected re-
sets
and
go on to the next screen.
It
may take
up
to eight
seconds to perform the requested resets. If you exit from
the
EEROM
reset
screen
by
turning
off
the
self-test
switch,
none of the reset options will
be
performed.
Video Display Tests
You
can use the following tests to adjust the video display:
• Screen Pattern Tests
Move the player
1 joystick left
or
right to select
among the convergence, color purity, and several
other screen patterns. Press the player 2 start button
to change colors within each pattern.
• Color Test
• 256-Color Test
To move from one test to the next, press the player
1
start button.
Audio Test
The audio test indicates the condition
of
the music and
sound-effects circuits.
SOUND NUMBER indicates the sound selected by moving
the player 2 joystick left (decrements number)
or
right
(increments number). To hear the sound, press the player
2 start button one or more times. Pulling the player 2 joy-
stick down (towards you) silences the audio.
Pressing the player
1 start button returns to the Switch
Test portion of the self-test.
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