User's Manual

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Musashi 5 AKA Board Instructions

Features

• Combination board – works in both the Viking and Excalibur, with

Humphrey or MAC solenoids

• Based on the Musashi 5 software

• Includes 5 fire modes: uncapped semi-auto, adjustable semi-auto, PSP

ramping, PSP burst, and NXL full-automatic

• Continuously monitors the trigger switch through the entire firing cycle

• Adjustable ABS programming prevents first shot drop-off

• AMB (anti-mechanical bounce) and CPF (cycle percentage filter)

algorithms help to eliminate mechanical and switch bounce

• Power efficient software lengthens battery life

• Programming mode allows changes to debounce, dwell, loader delay,

AMB, ABS dwell, fire mode, fire mode max rate of fire, eye mode,

Viking bolt delay, cycle percentage filter, ramp start, board mode,

Excalibur solenoid delay, Excalibur watch delay, Excalibur bolt close

delay, and Excalibur eyes off rate of fire

• All settings are stored in non-volatile memory so they are not lost when

battery is disconnected

• One-touch startup enables the marker to fire instantly

• Three eye modes: delayed, forced with force shot, and test with LED

rate of fire indicator

• Low battery indicator software

Installation

Installation of the M5 AKA board is relatively easy, but care must be taken so as

not to pinch or damage the wiring.

1. Remove the front and rear grip frame screws with a 1/8” Allen (hex)

wrench.

2. Gently pull the grip frame away from the body, being careful not to

jerk any wires.

3. Unscrew the two nylon mounting screws that hold the stock board in

place and gently lift the board out of the grip frame.

4. Remove one plug at a time from the stock board and transfer it to the

matching socket on the M5 AKA board. Every socket is labeled on the

M5 AKA board, but it is easier if you transfer each plug over, one at a

time. One edge socket (labeled “sol 2”) is unused if installing in a

Viking.

5. Carefully place the M5 AKA board into the grip frame, making sure

that all the wires are tucked out of the way and do not get pinched.

6. Secure the M5 AKA board using the two nylon screws.

7. Test to make sure everything works by turning the marker on.

8. Carefully put the grip frame back onto the main body of the Viking or

Excalibur. As you do this, make sure none of the eye or solenoid wires

are pinched between the body halves. The wires must be contained

within the body cavity where they will not be damaged.

9. Secure the grip frame to the marker body, using the front and rear

frame screws.

LED Indicator

The multi-color LED that shines out the data port shows which mode of operation

the marker is currently in:

Rapid Blinking Red At startup this indicates an exhausted battery

Rapid Blinking Yellow At startup this indicates a low battery

Rapid Blinking Green At startup this indicates a good battery

Solid Blue Ball in breech, ready to fire

Slow Blinking Blue Breech empty (marker will still fire if in

Excalibur mode)

Slow Blinking Yellow Eye malfunction; clean eyes or make sure the

gun is being fired with paint and air

Slow Blinking Red Eyes disabled

If using a Viking, the rate of fire is limited to 20

balls per second in fire mode 1; otherwise

capped at fire mode max rate of fire for fire

modes 2 – 5

If using an Excalibur, the rate of fire is limited to

the Excalibur eyes off rate of fire setting.

Power Operation

Sliding the power switch to the “on” position turns the marker on. The battery

indicator will show the current power level of your battery with a flickering red,

yellow, or green LED. It will then show a solid or blinking blue LED, depending

on the presence of an object in the breech. Every time the marker is turned on, the

eyes are enabled.

Eye Operation & Logic

The eyes are enabled when the marker is first turned on. The eyes can be toggled

on and off by holding down the trigger for 3 seconds.

If used, the eye system cycles the marker as fast as possible. During each shot the

eyes watch for the bolt to return, ending the current firing cycle and starting

another as quickly as the pneumatics allow. If the eye system is continually

blocked (e.g. putting your finger in front of the eyes) and is unable to see the bolt

return after every shot, the max rate of fire will be reduced to about 12 balls per

second to prevent further chopping, and the LED will slowly blink yellow to

indicate an eye malfunction. The only way to show the true speed of the M5 AKA

board is to fire the marker with paint and air.

To determine if the eyes are working correctly, insert an object into the breech.

Check to see if the LED changes from blinking blue to solid blue and then back to

blinking blue once the object is removed.

Programming

The tournament lock must be disabled in order to change settings on the board. By

default the tournament lock is disabled. To toggle the tournament lock:

1. Turn the marker off.

2. Ground the left two pins of the programming connector together with a

conductive object (see arrow in picture below).

3. Turn the marker on.

4. The LED will continuously flash red or green to indicate the status of

the tournament lock (red is lock ON, green is lock OFF).

To change settings you must enter programming mode. While the marker and the

tournament lock are off, pull and hold the trigger and turn the marker on. This will

initiate the programming mode, showing a rainbow sequence, and then stop on

solid green. Pulling and releasing the trigger quickly will toggle between the

different programming modes:

Green Debounce

Purple Dwell

Yellow Loader delay

Blue AMB (anti-mechanical bounce)

Red ABS dwell

White Fire mode

Teal Fire mode max rate of fire

Flickering Green Eye mode

Flickering Purple Viking bolt delay

Flickering Yellow CPF (cycle percentage filter)

Flickering Blue Ramp start

Flickering Red Board mode

Flickering White Excalibur solenoid delay

Flickering Teal Excalibur watch delay

Alt Green/Blue Excalibur bolt close delay

Alt Red/Blue Excalibur eyes off 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.

Summary of content (3 pages)

PAGE 1
Power Operation Sliding the power switch to the “on” position turns the marker on. The battery indicator will show the current power level of your battery with a flickering red, yellow, or green LED. It will then show a solid or blinking blue LED, depending on the presence of an object in the breech. Every time the marker is turned on, the eyes are enabled. Eye Operation & Logic The eyes are enabled when the marker is first turned on.
PAGE 2
Programming Example If you want to set the dwell to 20, you should: 1. Make sure the marker is powered off and the tournament lock is disabled. 2. Pull the trigger and turn on the marker. 3. The LED goes through a rainbow sequence then shows green. This is the debounce mode. 4. Quickly pull and release the trigger 1 time to switch to the dwell mode. The LED will show purple. 5. Pull and HOLD the trigger until the LED turns off. 6. Release the trigger. The LED will blink out the current setting. 7.
PAGE 3
Viking bolt delay – If using a Viking this setting determines how long the eyes are ignored after the dwell time ends. Some delay is necessary to allow the bolt to move far enough forward so the eye system does not mistake a small gap between a paintball and the bolt face for a bolt return. The default is 10 ms and may be set from 1 to 25 ms.