NONLINEAR LABS C15 User manual

Quick Introduction to C15
Open the Preset screen by pressing
Preset . Select a preset by the encoder
or Dec/Inc .
When “Direct Load” is on, the preset will
be loaded instantly, otherwise Enter
will load the preset. Toggle “Direct Load”
mode by pressing so button .
Other preset banks can be selected by the
two so buttons .
The display shows the labels of the
Macro Controls to which the ribbons are
assigned (or “Not assigned”).
The letter “a” or “r” indicates if the touch
strip works as absolute or relative input
device. The last touched ribbon is
indicated by “<”. For this ribbon Funct
toggles between absolute and relative
input.
With Mode the upper ribbon can be
assigned to the currently selected
parameter.
The parameters of the synth engine can
be accessed by the 96 selection buttons.
The LED of the actuated button will light
up. Dots below the LED indicate if
additional parameters can be selected by
pressing the button multiple times.
The stack of selectable parameters is also
shown at the right side of the display .
You can step through it by using the
so button .
The selected parameter can be adjusted
by the encoder and Dec/Inc .
Pressing Default recalls the default
value. The resolution can be toggled
between coarse and fine by pressing
Fine .
For un-doing and re-doing editing steps
use Undo/Redo . Pressing both of
them at the same time will open the
undo list in the display .
Press Info to get information about a
parameter or a preset. The infos of Macro
Controls and presets are user-definable.
Certain elements include additional
functions which will be provided when
pressing
Edit
.
Examples of additional functions are
“Rename”, “Edit Info” (for presets, banks
and Macro Controls) as well as “Copy”,
“Paste”, “Delete” (for presets and banks).
Pressing Store opens the Preset
screen in Store mode.
With the so button you can choose
“Append”, “Overwrite” or “Insert”, creating
a new preset at the end of the list
(append), behind the selected preset
(insert), or overwriting the data of the
selected preset (overwrite).
The store location can be changed by the
encoder or Dec/Inc .
To finish the store process press Enter.
Pressing Store will cancel the
process. When storing a new preset the
text-input screen will open, so you can
edit the label.
With –/+ you can shi the
keyboard range up and down by octaves.
Holding one of the buttons while pressing
the second will shi the pitch by
semitones.
The most significant parameters can
follow movements of a Macro Control.
In order to assign a Macro Control to a
selected parameter, use so button
and select the desired Macro Control by
using the encoder or Dec/Inc .
When a Macro Control was assigned, use
so button to focus on the
modulation amount and adjust the
amount like a parameter. The modulation
amount of a parameter specifies intensity
and direction of its movement, tailing the
assigned Macro Control.
Macro Controls can follow movements of
multiple Hardware Sources. There are
eight Hardware Sources provided by the
C15: four connectors for external pedals,
two ribbons, the bender and
monophonic aertouch. In order to
assign a Hardware Source to a selected
Macro Control, use so button and
select the desired Hardware Source by
using the encoder or Dec/Inc .
When a Hardware Source was assigned,
use so button to focus on the
modulation amount and adjust the
amount like a parameter. The modulation
amount specifies intensity and direction
of the movement, tailing the assigned
Hardware Source.
Up to four Macro Controls (MC) can be
assigned to modify the sound of a preset.
You access them by their selection
buttons .
Their labels and info can be defined per
preset.
For the selected MC the LEDs of the target
parameters will blink.
The eight small bar graphs at the right
end of the display show the influence of
ribbons, pedals, etc.
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S .V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S .V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V. F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V .F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V. F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V. F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V. F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V. F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
Loading a Preset
Ribbon Functions
Edit PanelAdjusting a Parameter
Undo / Redo
Info
Edit
Storing a Preset
Note Shi
Assigning a Macro Control
Assigning Hardware Sources
Macro Controls

Env A
Env B
Env C
Gate
Envelope A
Oscillator A Shaper A FB Mix
Comb
Filter
RM
A
Envelope B
Envelope C
Gate
Output Mixer (Stereo)
Feedback Mixer Shaper
Shaper
State
Variable
Filter
Oscillator B Shaper B FB Mix
Flanger Echo ReverbCabinet Gap Filter
B
B
A
B
A
B
A B
L
R
L
R
FB
FB
FB
Comb
Comb
SVF
Comb SVF Eects
Reverb
Wet
Dry
Self
A
FB
Self
Env B Env C Env A Env A Gate
Env C Gate Env C
Env A Env C
Env A Env C Env B Env B Gate
Env B Env C
C15 Synth Engine Overview
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S .V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V.F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S .V.F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V. F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V .F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V. F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V. F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
–+
Funct Mode
Attack Decay 1 BP Level Deacay 2 Sustain Release
Attack Deacy 1 Decay 2 Level Vel Level KT Gain
Attack Deacy 1 BP Level Deacay 2 Sustain Release
Release Level Vel Level KT Level Vel Level KT Gain
Pitch Fluct Phase PM Self PM B PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Setup
Sound
Info
Shi
Fine
Default
Enter
Undo
Edit
RedoDec (–) Inc (+)
Preset
Store
Pitch Fluct Phase PM Self PM A PM FB
Drive Fold Asym Mix FB Mix Ring Mod
Comb S.V. F. Eects Reverb Drive Level
A – B Pitch Decay AP Tune Hi Cut PM
A B Comb S.V. F. Drive Level
A – B Comb Mix Cut O Reson Spread FM
Drive Tilt Mix Center Gap Mix
Rate Env Time Mod AP Mod Feedbk Mix
Voices Volume
Time Feedback Mix Size Color Mix
ENVELOPE A
ENVELOPE C ENVELOPE A
ENVELOPE B
ENVELOPE C ENVELOPE B
OSCILLATOR A
SHAPER A
OSCILLATOR B
SHAPER B
FEEDBACK MIXER
COMB FILTER
OUTPUT MIXER
STATE VARIABLE FILTER
CABINET GAP FILTER
FLANGER
MACRO CONTROLS UNISON MASTER
ECHO REVERB
Input Signal
Curve Output Signal
t
Output
Input
Shaper
Signal Flow
t
Attack
Level
Peak Level
Breakpoint
Level
Sustain Level
TimeNote On Note O
Decay 1 Decay 2 Release
Envelope
Other manuals for C15
14
Other NONLINEAR LABS Musical Instrument manuals