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Musashi 3 NYX Chip Instructions
Features
• Built on the Musashi code base (hybrid debounce scheme)
• Includes three fire modes: uncapped semi auto, capped semi auto, and
modified NXL/PSP
• Continuously monitors the trigger switch through the entire firing cycle
• ABS programming prevents first shot drop off
• AMB algorithms help to eliminate mechanical bounce
• Power efficient software lengthens battery life
• Programming mode allows changes to debounce, dwell, loader delay,
AMB, fire mode, and fire mode max rate of fire
• All settings are stored in non-volatile memory so they are not lost when
power is disconnected
• One-touch startup enables the marker to fire instantly
• Automatic 15-minute idle power down saves batteries
• Force shot allows the marker to be fired when the eyes are enabled but
no object is present in the breech
Installation
Removal and installation of the chip on a NYX board must be carefully done to
ensure the chip and the electronics are not damaged.
Begin by removing the grips from the left side of the marker. This will expose the
entire circuit board. The chip is located in a socket near the bottom of the grip
frame. To remove, gently pry under each end with a small flathead screw driver.
Alternate sides until it is far enough out to remove with your fingers. Insert the
new chip, making sure it is aligned properly. A notch in one end of the chip lines
up with a notch in the socket and the white drawing on the surface of the board. If
the marker will not turn on and it is not due to a low battery or broken battery
harness, you may have installed the chip backwards.
LED Indicator
The multi-color LED that lights up on the back of the grip frame shows which
mode of operation the marker is currently in:
Solid Green Ball in breech, ready to fire
Solid Red No ball in breech
Slow Blinking Green Eye malfunction, max rate of fire reduced
Slow Blinking Red Eyes disabled, rate of fire limited to 20 balls per
second in mode 1; otherwise capped at fire
mode max rate of fire for fire modes 2 and 3
Power and Eye Operation
Pressing and releasing the power button turns the marker on. A solid red or green
LED in the grip frame indicates that the marker is ready to be fired.
The eyes are enabled when the marker is first turned on. To disable the eyes press
and hold the power button for 1 second. The LED will start slowly blinking red to
indicate the eyes are turned off.
To turn the marker off, press and hold the power button for 1 second again. The
marker will power down.
To determine if the eyes are working correctly, insert an object into the breech.
Check to see if the LED changes from red to green, and then back to red once the
object is removed.
The tournament lock must be disabled in order to change settings on the chip. The
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dip switch functions as the tournament lock. To disable the tournament lock,
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make sure the 4
turned off, pull and hold the trigger and turn the marker on. This will initiate the
programming mode, showing a rainbow color sequence. Then the LED will settle
on green.
Pulling and releasing the trigger quickly will toggle between the different
programming modes:
Green Debounce
Red Dwell
Orange Loader Delay
Flickering Green AMB
Flickering Red Fire Mode
Flickering Orange Fire Mode Max Rate of Fire
When the LED is lit for the desired setting, press and hold the trigger until the
LED goes out. When you release the trigger, the LED will blink to show the
current setting. For example, if the current setting for debounce is 5, the LED will
blink green 5 times. Once the LED stops blinking, you have 2 seconds to begin
entering the new setting.
To enter the new setting, pull the trigger the desired number of times. For example,
to set the debounce to 2, you must pull the trigger 2 times. Every time you pull the
trigger the LED will light. After all settings have been changed, turn the marker
off, using the power button.
Programming Example
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dip switch is in the ON or UP position. While the marker is
Programming
If you want to set the dwell to 20, you should:
Make sure the marker is powered off and the tournament lock is disabled (4
dip switch in the UP/ON position).
Pull the trigger and push the power button to turn on the marker.
The LED shows green. This is the debounce mode.
Quickly pull and release the trigger 1 time to switch to the dwell mode. The
LED will show red.
Pull and HOLD the trigger until the LED turns off.
Release the trigger. The LED will blink out the current setting.
When the LED stops blinking, enter the new setting by pulling the trigger 20
times.
Wait until the LED turns back on, indicating programming has been
completed.
Turn the marker off.
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Settings
Debounce – The Musashi software features a hybrid debounce scheme that uses
microcontroller cycles to debounce the pull of the trigger and ½ ms time
increments to debounce the release. This results in a very effective debounce
algorithm that does not hinder the user at any setting. At low debounce settings,
however, it may cause the marker to read switch bounce as additional pulls, falsely
generating shots or near full automatic fire. The setting ranges from 1 to 50 and is
defaulted at 5. Debounce is only used in fire modes 1 and 2 (semi-automatic
unlimited and capped). In modified NXL/PSP mode the debounce is locked at a
high setting.
Dwell – The amount of time the solenoid is energized each time the marker is
fired. The default is 18 ms. The range is 10 to 30 ms. Too low of a dwell may lead
to inconsistency or drop off. Too high of a dwell can cause bad air efficiency.
Loader Delay – Adds a slight delay after the eye has seen a ball and the bolt is
cycled, causing the gun to fire. If not using force fed loaders, it may be necessary
to increase this setting to prevent chopping. A setting of 1 means no loader delay,
AMB – Allows the user to adjust the anti-mechanical bounce feature. Mechanical
bounce occurs with the Matrix due to the kick generated during each shot and can
cause the marker to “run away,” firing even after the trigger has been released.
AMB helps stop markers from going full auto when the trigger is pulled very
slowly. The default is 2 and may be set from 1 to 5 (1 being off). AMB is only
used in fire modes 1 and 2 (semi-automatic unlimited and capped). In modified
NXL/PSP mode AMB is disabled.
The default is 2 and may be set from 1 to 50. which is the fastest.
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Fire Mode – Included are three different fire modes (default is 1):
1. Semi-automatic, unlimited rate of fire
2. Semi-automatic, capped rate of fire
3. Modified NXL/PSP, capped rate of fire
Setting 1 is normal semi-automatic with an unlimited rate of fire while the eyes are
enabled. When the eyes are turned off, the max rate of fire is set to 20 balls per
second.
Setting 2 is semi-automatic with a capped rate of fire. It simply limits the
maximum balls per second that can be fired. The cap is set by the Max ROF
setting.
Setting 3 is a modified NXL/PSP fire mode that works as follows:
• The first 3 shots of a string are semi automatic
• After the 4
to pull the trigger
• If the trigger is released, the marker will stop firing immediately
• If the trigger is not pulled after releasing within 1 second, the 3-shot
In normal operation, continually pulling the trigger faster than 5 to 6 pulls per
second will effectively give the user full automatic at the max rate of fire. If the
user stops shooting then resumes within 1 second, the marker will return to the
max rate of fire. If the user stops shooting for more than 1 second, the next 3 shots
will be semi-automatic. On the 4
Fire Mode Max ROF – The maximum rate of fire setting only applies to the 2
and 3
second in ¼ balls per second increments. The default is 3, which is roughly 14.5
balls per second. Oscillator inconsistencies from chip to chip make it impossible
to time perfectly, so the only true way to check rate of fire is to use a Pact Timer or
ballistic chronograph. The red radar chronographs commonly found at fields are
NOT reliable.
Setting BPS Setting BPS Setting BPS
1 14.0 9 16.0 17 18.0
2 14.25 10 16.25 18 18.25
3 14.5 11 16.5 19 18.5
4 14.75 12 16.75 20 18.75
5 15.0 13 17.0 21 19.0
6 15.25 14 17.25 22 19.25
7 15.5 15 17.5 23 19.5
8 15.75 16 17.75 24 19.75
25 20.0
Dip Switches:
Dip 1 ABS toggle, UP/ON for ABS enabled
Dip 2 Not used, leave UP/ON
Dip 3 Not used, leave UP/ON
Dip 4 Tournament lock, UP/ON for lock disabled
Force Shot – In th e event the eyes are enabled, the breech is empty, and the user
wants to fire a clearing shot, a force shot can be initiated by pulling and holding
the trigger for ½ second. This is useful with force fed loaders that sometimes push
a ball slightly into the detents where the eyes are unable to see it. After force
firing, the next ball will load, and operation will continue as normal.
ABS – ABS (anti-bolt stick) programming helps to eliminate first shot drop off.
First shot drop off occurs when the lube and o-rings settle or “stick” inside the
marker after it has been sitting. The next shot fired will be lower in velocity
because the bolt has to break free. ABS will slightly increase the dwell to
compensate if the marker is left sitting for 15 seconds. Due to the design of the
Matrix, this should not increase velocity if the low pressure regulator is set
correctly and all o-rings are intact.
A tip for setting the debounce and AMB – Although AMB is meant as a safety
feature to stop run-away markers, it also has the unfortunate side effect of hiding
bounce. To test your marker for bounce, shoot it as fast as possible with a single
semi-automatic count starts over
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fire modes. The max rate of fire is adjustable from 14 to 20 balls per
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shot the marker will add shots as long as the user continues
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shot it will resume a faster fire rate.
Additional Features
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finger. If you have bounce, you’ll see and hear double shots for individual pulls.
This means you need to turn up your debounce. The slow pull test in use by some
judges is not realistic for finding guns that have the debounce set too low.
Additional Information
www.tadaotechnologies.com
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