Quick Start Guide
ATTENTION
RISQUE D’ÉLECTROCUTION !
NE PAS OUVRIR !
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK, DO NOT REMOVE COVER (OR BACK). NO
USER-SERVICEABLE PARTS INSIDE. REFER SER-
VICING TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert
the user to the presence of non-insulated “dangerous voltage” within the product’s enclosure
that may be of sufficient magnitude to constitute a risk of electric shock.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the
appliance.
WARNING
TO PREVENT FIRE OR SHOCK HAZARD. DO NOT USE THIS PLUG WITH AN EXTENSION
CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE. TO PREVENT FIRE OR SHOCK HAZARD. DO NOT
EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. TO PREVENT ELECTRICAL SHOCK,
MATCH WIDE BLADE PLUG TO WIDE SLOT AND FULLY INSERT.
Copyright 2013
V1.5
Samson Technologies
45 Gilpin Avenue
Hauppauge, New York 11788-8816
Phone: 1-800-3-SAMSON (1-800-372-6766)
Fax: 631-784-2201
www.samsontech.com
Apple, Mac, Mac OS, and iPad are trademarks of Apple Inc., registered in the U.S. and
other countries.
IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is
used under license.
CAUTION
Any changes or modifications to the construction of this device which are not expressly
approved by the party responsible for compliance could void the user’s authority to operate
the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures.
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
If you want to dispose this product, do not mix it with general household waste. There is a
separate collection system for used electronic products in accordance with legislation that
requires proper treatment, recovery and recycling.
Private household in the 25 member states of the EU, in Switzerland and Norway may return their used
electronic products free of charge to designated collection facilities or to a retailer (if you purchase a similar
new one).
For Countries not mentioned above, please contact your local authorities for a correct method of disposal.
By doing so you will ensure that your disposed product undergoes the necessary treatment, recovery and
recycling and thus prevent potential negative effects on the environment and human health.
Important Safety Information
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s
instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat.
9. Only use attachments/accessories specified by the manufacturer.
10. Use only with the cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use
caution when moving the cart/apparatus combination to avoid injury from
tip-over.
11. Unplug the apparatus during lightning storms, or when unused for long
periods of time.
12. Refer all servicing to qualified personnel. Service is required when the apparatus has
been damaged in any way, such as power supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
13. This appliance shall not be exposed to dripping or splashing water and that no object
filled with liquid such as vases shall be placed on the apparatus.
14. Caution-to prevent electrical shock, match wide blade plug wide slot fully insert.
15. Please keep a good ventilation environment around the entire unit.
16. Always unplug cables by gripping the plug firmly, not by pulling on the cable.
Graphite M25 · USB Keyboard Controller
Introduction
Thank you for purchasing the Samson Graphite M25, compact USB keyboard controller!
The Graphite M25 gives you the performance and production control to easily integrate with
Windows or Mac digital production workstations. The keyboard can also be powered directly by
an Apple iPad (using the Apple iPad Camera Connection Kit or Lightning to USB Camera Adapter, not included), and can be used to control many iOS MIDI apps, like GarageBand. To capture
the dynamics of your performance, the Graphite M25 comes equipped with a 25-key velocity-sensitive keyboard. In addition, the Graphite M25 has four velocity-sensitive trigger pads with
aftertouch, which can be used for recording drum beats, triggering samples, or controlling midi
parameters.
The Graphite M25 also functions as a full-featured control surface with eight knobs, one master
encoder, and transport controls. Four programmable presets provide access to additional layers
of control. To take full advantage of the assignable functions, you will need to download the free
Graphite M25 editor from the Samson website (www.samsontech.com).
In these pages, you’ll find a detailed description of the features of the Graphite M25 keyboard
controller, as well as a guided tour of its control panel, and inst ructions for setup and use.
You’ll also find a warranty card enclosed. Please don’t forget to fill it out and mail it in so that
you can receive online technical support, and so that we can send you updated information
about this and other Samson products in the future.
We recommend you record your serial number in the space provided below, for future reference.
Serial number: ____________________________________________
Date of purchase: __________________________________________
With proper care and maintenance, your Graphite M25 will operate trouble-free for many years.
Should your keyboard ever require servicing, a Return Authorization (RA) number must be
obtained before shipping your unit to Samson. Without this number, the unit will not be accepted. Please call Samson at 1-800-3SAMSON (1-800-372-6766) for an RA number prior to
shipping your unit. Please retain the original packing materials and, if possible, return the unit
in its original carton. If your Graphite M25 was purchased outside of the United States, contact
your local distributor for warranty details and service information.
5
Features
The Samson Graphite M25 utilizes state-of-the-art technology and is engineered to the finest
detail. Here are some of its main features:
• 25-key velocity-sensitive keyboard
• Pitch Bend and Modulation ribbon strips
• Four velocity-sensitive trigger pads with aftertouch (two banks) for drum sounds and
samples
• CC Mode to set trigger pads to send control change messages
• Eight assignable knobs for hands-on control over your DAW and virtual instruments
• Transport controls
• Four global Presets for extended control
• Program mode for sending program change information
• Compact design, perfect for live performance and studio applications
• Dedicated Octave up, Octave down, and Sustain buttons
• USB plug and play and bus powered
System Components
• Samson Graphite M25 USB Keyboard
• One (1) USB Cable
• Graphite M25 Owner’s Manual
Minimum System Requirements
Windows (PC)
• Windows XP/Vista/Win 7/Win 8
• 800MHz or higher, 256MB RAM or larger, USB port
Mac OS
• Mac OS X 10.4.9 or higher
• 733MHz or higher, 512MB RAM or larger, USB port
Apple iPad
• iOS v4.2 or higher
6
Graphite M25 · USB Keyboard Controller
Quick Start
Computer
1. Connect the Graphite M25 to your computer or iPad* using the supplied USB cable. The
unit will receive power and transmit MIDI data via the USB connection.
If the Graphite M25 is connected to a non-powered USB hub, it may not receive enough
power to turn on. It is recommended that you connect the Graphite M25 directly to your
computer or to a powered USB hub.
2. Launch your DAW or virtual instrument software.
3. Set the Graphite M25 as the MIDI Input and MIDI Output device.
*To connect directly to an iPad, you will need to use the Apple iPad Camera Connection Kit or
Lightning to USB Camera Adapter (not included).
7
Front Panel Controls and Functions
1. Trigger Pads - The four backlit velocity-sensitive trigger pads with aftertouch can send MIDI
note, velocity, and aftertouch messages or when the CC button is pressed send control
change information. The setting of the Trigger Pads note and control change information
can be set using the computer editor, as either toggle or momentary style buttons.
2. Transport Buttons - The five transport buttons control universal Rewind, Fast Forward, Stop,
Play and Record functions (respectively) in the factory default setting. They can also be
assigned to control different parameters. If you encounter a stuck (hanging) note, press
the Rewind and Fast Forward buttons together to send a Panic command to all ports and
channels.
3. Assignable Knobs - The eight knobs send continuous control change data. You can set up to
32 different parameters using the four presets.
4. PROG Button - Press this button to send program change information via the Function keys
(0–9). Press the key labeled ENTER to send the desired program change message. When
the PROG button is pressed, the button lights red and the keys will not send note information.
5. PRESET Button - Press this button to choose one of the four available presets. Presets are
recalled by pressing one of the Trigger Pads. Each preset can have unique parameters
assigned to the Trigger Pads, Transport buttons, Assignable Knobs, and Modulation ribbon
strip.
6. CC Button - When pressed, the button lights red and the Trigger Pads change from sending
note information to control change information.
8
Graphite M25 · USB Keyboard Controller
Front Panel Controls and Functions
7. PAD Bank Button - The Trigger Pads are configured into two pad banks, with different set-
tings configured to each pad. Press the PAD button to toggle between the two banks.
8. OCTAVE +/– Buttons - Press the OCTAVE buttons to shift the octave of the keyboard up or
down a maximum of four octaves, to extend the range of the keyboard. Each time you press
the OCTAVE button, the range of the keyboard shifts up or down 12 notes. The buttons
blink progressively faster as the keyboard’s octave shifts in each direction. Press both buttons to set the keyboard to the default range.
9. SUSTAIN Button - Press this button to sustain (hold) currently held notes. Release the but-
ton to stop notes from being held.
10. Master Encoder - This continuous encoder sends continuous control data. The Master En-
coder is preset from the factory to send volume messages on MIDI channel 9. The encoder
can be assigned to control different parameters using the computer editor.
11. PITCH BEND Ribbon Strip - Slide your finger to raise or lower the pitch of notes played on the
keyboard.
12. MODULATION Ribbon Strip - Slide your finger to send modulation messages. Modulation is
usually used to add vibrato or other expressive effects to a sound being played.
13. Function Keys - In PROG mode, the last 11 keys of the keyboard are assigned to numerical
digits (0–9), and ENTER. To Send a program change message, press the PROG button,
then enter the program number by pressing the numbered keys. When the program number
is entered, press the ENTER key to transmit the program number information. The Graphite
M25 will exit the program mode, and the Function keys will transmit note information.
14. USB Connection - Connect the included USB-mini cable from this port to the USB connec-
tion on a computer to provide power to the keyboard, as well as to send and receive MIDI
data.
9
Editing Parameters
The Graphite M25 features 19 controls which settings can be customized using the Graphite
M25 computer editor, which can be found on the Samson website (www.samsontech.com). The
following information outlines the available parameters for each control that can be adjusted.
Trigger Pads: Note
Note: Sets the MIDI note name that the Trigger Pad will transmit.
MIDI Channel: Sets the specific MIDI channel that the Trigger Pad will use to transmit note data.
Mode: Sets the behavior of the pad. If set to toggle, the pad acts like a switch, sending a note
on message when first pressed, and a note off message when pressed a second time. When set
to momentary, the pad sends a note on message when pressed down and a note off message
when the pad is released.
Trigger Pads: CC
Control Change: Sets the control change number that the Trigger Pad will transmit.
MIDI Channel: Sets the specific MIDI channel that the Trigger Pad will use to transmit control
change data.
Mode: Sets the behavior of the pad to either toggle or momentary.
Transport Controls
Control Change: Sets the control change number and name that the Transport Control button will
transmit.
MIDI Channel: Sets the specific MIDI channel that the Transport Control button will use to
transmit data.
Mode: Sets the behavior of the button to either toggle or momentary.
Assignable Knobs
Control Change: Sets the control change number and name that the knob will transmit.
MIDI Channel: Sets the specific MIDI channel that the knob will use to transmit data.
Master Encoder
Control Change: Sets the control change number that the Master Encoder will transmit.
MIDI Channel: Sets the specific MIDI channel that the Master Encoder will use to transmit data.
Modulation Strip
Control Change: Sets the control change number that the Modulation strip will transmit.
MIDI Channel: Sets the specific MIDI channel that the Modulation strip will use to transmit data.
10
Graphite M25 · USB Keyboard Controller
Specications
Keyboard 25-key, semi-weighted, velocity sensitive
Controls
Encoder 1
Knobs 8
Trigger Pads 4
Transport Controls 5 (Rewind, Fast Forward, Stop, Play, Record)
Ribbon Strips Pitch Bend, Modulation
Key Range Octave +/–
Operation Controls SUSTAIN, CC Mode, PROG, PRESET, PAD
Presets 4
Functions Keys 0-9, Enter
MIDI MIDI over USB
Power USB Bus Power
Accessories USB Cable
Dimensions 14.3” x 6.14” x 1.68”
Weight 1.43 lbs
363 mm x 156 mm x 42.75 mm
.65 kgs
11
Samson Technologies
45 Gilpin Avenue
Hauppauge, New York 11788-8816
Phone: 1-800-3-SAMSON (1-800-372-6766)
Fax: 631-784-2201
www.samsontech.com
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