e2v ELIIXA+ User manual

User Manual
ELIIXA+ 16k/8k CP
Cmos Multi-Line Color Camera

ELIIXA+® 16k/8k CXP Color
2e2v semiconductors SAS 2014
Summary
1 CAMERA OVERVIEW .................................................................................4
1.1 Features ....................................................................................................................................................... 4
1.2 Key Specifications....................................................................................................................................... 4
1.3 Description .................................................................................................................................................. 5
1.4 Typical Applications.................................................................................................................................... 5
2 CAMERA PERFORMANCES............................................................................6
2.1 Camera Characterization ............................................................................................................................ 6
2.2 Image Sensor............................................................................................................................................... 7
2.2.1 True Colour Enhanced Mode (TCE) .........................................................................................................................................7
2.2.2 True Colour Single Mode (TCS) ...............................................................................................................................................8
2.2.3 Full Definition Single Mode (FDS) ..........................................................................................................................................8
2.2.4 Full Definition Enhanced Mode (FD Enhanced) .....................................................................................................................9
2.3 Response & QE curves.............................................................................................................................. 10
2.3.1 Quantum Efficiency ............................................................................................................................................................... 10
2.3.2 Spectral Response................................................................................................................................................................. 10
3 CAMERA HARDWARE INTERFACE ................................................................... 11
3.1 Mechanical Drawings................................................................................................................................ 11
3.2 Input/output Connectors and LED ........................................................................................................... 12
3.2.1 Power Over CoaXPress .......................................................................................................................................................... 13
3.2.2 Status LED Behaviour............................................................................................................................................................ 13
3.2.3 Trigger Connector .................................................................................................................................................................. 14
4 STANDARD CONFORMITY .......................................................................... 15
4.1 CE Conformity ............................................................................................................................................ 15
4.2 FCC Conformity .......................................................................................................................................... 15
4.3 RoHs Conformity........................................................................................................................................ 15
5 GETTING STARTED ................................................................................. 17
5.1 Out of the box............................................................................................................................................ 17
5.2 Setting up in the system........................................................................................................................... 17
6 CAMERA SOFTWARE INTERFACE .................................................................... 18
6.1 Control and Interface ................................................................................................................................ 18
6.2 Camera Commands................................................................................................................................... 19
6.2.1 Device Control ....................................................................................................................................................................... 19
6.2.2 Image Format ........................................................................................................................................................................ 20
6.2.2.1 Structure of the Sensor ........................................................................................................................................ 20
6.2.2.2 Forward/Reverse ................................................................................................................................................... 21
6.2.2.3 Test Image Pattern Selector.................................................................................................................................. 21
6.2.3 Acquisition Control............................................................................................................................................................... 22
6.2.3.1 External Triggers on GPIO Connector .................................................................................................................. 23
6.2.3.2 CXP Trigger............................................................................................................................................................ 23
6.2.3.3 Trigger Presets...................................................................................................................................................... 25
6.2.3.4 Rescaler ................................................................................................................................................................ 26
6.2.4 Digital I/O Control ................................................................................................................................................................ 27

ELIIXA+® 16k/8k CXP Color
3e2v semiconductors SAS 2014
6.2.5 Counters and Timers Control ............................................................................................................................................... 28
6.2.5.1 Counters ............................................................................................................................................................... 29
6.2.5.2 Timers ................................................................................................................................................................... 29
6.2.6 Gain and Offset ................................................................................................................................................................ 30
6.2.6.1 White Balance ....................................................................................................................................................... 31
6.2.7 Flat Field Correction.............................................................................................................................................................. 32
6.2.7.1 Automatic Calibration .......................................................................................................................................... 33
6.2.7.2 Manual Flat Field Correction................................................................................................................................ 33
6.2.7.3 Save & Restore FFC............................................................................................................................................... 34
6.2.8 Statistics and Line Profile................................................................................................................................................ 35
6.2.9 Privilege Level .................................................................................................................................................................. 35
6.2.10 Save & Restore Settings .................................................................................................................................................. 36
7 APPENDIX A: Test Patterns......................................................................... 37
7.1 Fixed Horizontal Ramps ............................................................................................................................ 37
7.2 Color RGBW Fixed Pattern......................................................................................................................... 38
7.3 Vertical wave ............................................................................................................................................. 38
8 APPENDIX B: Timing Diagrams ..................................................................... 39
8.1 Synchronization Modes with Variable Exposure Time ........................................................................... 39
8.2 Synchronisation Modes with Maximum Exposure Time ........................................................................ 40
8.3 Timing Values ............................................................................................................................................ 40
9 APPENDIX C: Data Cables.......................................................................... 41
10 APPENDIX D: Lenses Compatibility .............................................................. 42
11 APPENDIX E : Frame Grabbers Compliance ......................................................... 44
12 APPENDIX F: Command Table ................................................................... 45
12.1 Category “Device Control”........................................................................................................................ 45
12.2 Image Format ......................................................................................................................................... 45
12.3 Synchro and Acquisition modes........................................................................................................... 46
12.4 Scan Direction........................................................................................................................................ 46
12.5 GenICam Trigger ........................................................................................................................................ 47
12.6 Digital IO Control ................................................................................................................................... 48
12.7 Counters..................................................................................................................................................... 48
12.8 Timers..................................................................................................................................................... 50
12.9 Rescaler.................................................................................................................................................. 50
12.10 Gain & Offset.......................................................................................................................................... 51
12.11 Flat Field Correction............................................................................................................................... 51
12.12 Save and restore User Configurations ................................................................................................. 52
12.13 Camera Status ....................................................................................................................................... 53
12.14 Line Profile Average............................................................................................................................... 53
13 APPENDIX G: Revision History ................................................................... 54

ELIIXA+® 16k/8k CXP Color
4e2v semiconductors SAS 2014
1CAMERA OVERVIEW
1.1 Features
Cmos Colour Sensor :
o16384 RGB Pixels, 5 x 5µm (Full Definition)
o8192 RGB Pixels 10x10µm (True Colour)
Interface : CoaXPress® (4x 6Gb/sLinks)
Line Rate :
oUp to 47500 l/s In 16k Full Definition Mode
oUp to 95000 l/s in 8k True Colour Mode
 Bit Depth : 24bits (RGB 8bits)
 Scan Direction
Flat Field Correction
 Low Power Consumption : <19W
 Compliant with Standard Lenses of the Market
1.2 Key Specifications
Note : All values in LSB is given in 8 bits format
Characteristics
Typical Value
Unit
Sensor Characteristics at Maximum Pixel Rate
Resolution
16384 or 8192
RGB Pixels
pixel size (square)
5 or 10
µm
Max line rate
8192 RGB Pixels True Color Mode
95
kHz
16384 RGB Pixels Full Definition Modes
47.5
kHz
Radiometric Performance at Maximum Pixel Rate and minimum camera gain
Bit depth
3 x 8
Bits
Response (Peak) : True Color or Full Def. Enhanced
Red
11.8
LSB 8bits/(nJ/cm²)
Green
11.2
LSB 8bits/(nJ/cm²)
Blue
7.8
LSB 8bits/(nJ/cm²)
Response non linearity
< 1
%
PRNU HF Max
3
%
Dynamic range
65
dB

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1.3 Description
e2v’s next generation of line scan cameras are setting new, high standards for line rate and image quality. Thanks to
e2v’s recently developed multi-line CMOS technology, the camera provides an unmatched 95,000 lines/s and
combines high response with an extremely low noise level; this delivers high signal to noise ratio even when short
integration times are required or when illumination is limited. The 5μm pixel size is arranged in four active lines and
dual line filter configuration allowing the camera to be operated in several modes: True colour mode with 10μm RGB
pixels to provide equivalent colour fidelity to 10μm pixel tri-linear solutions with advanced immunity to web variation
or Full definition mode with a unique16,384 RGB pixel resolution.
1.4 Typical Applications
Printing Inspection
High Resolution Document Scanning
Printed Circuit Board Inspection
Flat Panel Display Inspection
High Quality Raw material Surface Inspection
Functionality (Programmable via GenICam Control Interface)
Analog Gain
Up to 12 (x4)
dB
Offset
-4096 to +4096
LSB
Trigger Mode
Timed (Free run) and triggered (Ext Trig, Ext ITC) modes
SensorModes
True Color Enhanced : 8192 RGB Pixels of 10x10µm
True Color Single : 8192 RGB Pixels of 10x10µm
Full Definition Enhanced : 16384 RGB Pixels 5x5µm
Full Definition Single : 16384 RGB Pixels 5x5µm
Mechanical and Electrical Interface
Size (w x h x l)
100 x 156 x 36
mm
Weight
700
g
Lens Mount
M95x1
-
Sensor alignment ( see chapter 4 )
±100
µm
Sensor flatness
±35
µm
Power supply
Power Over CoaXPress : 24
V
Power dissipation –Typ. while grabbing
< 19
W
General Features
Operating temperature
0 to 55 (front face) or 70 (Internal)
°C
Storage temperature
-40 to 70
°C
Regulatory
CE, FCC and RoHS compliant

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2CAMERA PERFORMANCES
2.1 Camera Characterization
Unit
True Color (8k)
Full Definition Single
Full Definition Enhanced
Typ.
Max
Typ.
Max
Typ.
Max
Dark Noise RMS
LSB
0.12
1.2
0.11
1.2
0.12
1.2
Dynamic Range
-
2125:1
-
2125:1
-
2125:1
-
RMS Noise (3/4 Sat)
LSB
2.2
-
2.15
4
2.2
4
Full Well Capacity
e-
(per color)
13650
-
13650
-
13650
-
SNR (3/4 Sat)
dB
40
-
40
-
40
-
Peak Response
(460/530/660nm)
LSB 8bits/
(nJ/cm2)
8/10/12
-
4/5/6
-
8/10/12
-
Non Linearity
%
0,3
-
0,3
-
0,3
-
Without Flat Field Correction :
FPN rms
LSB
0.21
1
0.23
1
0.22
1
FPN pk-pk
LSB
1
2
1
2
1
2
PRNU hf (3/4 Sat)
%
0.13
0,35
0.123
0,35
0.14
0,35
PRNU pk-pk (3/4 Sat)
%
1.1
3
1
3
1.25
3
Test conditions :
All values are given at Nominal Gain (0dB) : Preamp Gain x1, Amp Gain 0dB
Figures in LSB are for a 8bits format
Measured at exposure time = 400µs and line period = 400µs in Ext Trig Mode (Max Exposure Time)
Maximum data rate

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2.2 Image Sensor
The Eliixa+ Colour 16k sensor is composed of
two pairs of sensitive lines.
The Colour version has been completed with
RGB colour Filter and disposed as detailed
beside.
Each pair of lines use the same Analog to
Digital Column converter (ADC Column). An
appropriate (embedded) Time delay in the
exposure between each line this allows to
combine two successive exposures in order to
double the sensitivity of a single line.
This Time Delay Exposure is used only in the
Full Definition Enhanced mode (See Below).
2.2.1 True Colour Enhanced Mode (TCE)
10µm pixels (R,G,B)
Twice less pixels than B/W
Requires x3/2 the data flow of B&W
High Sensitivity True Color mode:
Equivalent to 6 x Pixels of 5µm (with
their respective colour filters).
“Full Exposure control” not needed in
TC as the TDI is not active (only
binning). The Exposure time can be
control as for a single line mode.
8192 Pixels
ADC Column
ADC Column
Intermediate Blind Pixel
Pixel Line A
Pixel Line B
Pixel Line C
Pixel Line D
Intermediate Blind Pixel
Web
Direction
Delay : 1 line
of 10µm
Double Green :
Vertical Binning
Double Red :
Vertical Binning
Double Blue :
Vertical Binning
Pixel 10µm
{RGB}
Double Green :
Vertical Binning
Green Pixels
averaging

ELIIXA+® 16k/8k CXP Color
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2.2.2 True Colour Single Mode (TCS)
10µm pixels (R,G,B)
Twice less pixels than B/W
Requires x3/2 the data flow of B&W
Sensitivity Half of the TCE mode:
Equivalent to 6 x Pixels of 5µm (with
their respective colour filters).
“Full Exposure control” not needed in
TC as the TDI is not active (only
binning). The Exposure time can be
control as for a single line mode.
Not sensitive to the Scanning direction
and the variation of the aspect ratio of
the image.
2.2.3 Full Definition Single Mode (FDS)
5µm pixels (R,G,B)
Same definition than B&W
Requires x3 the data flow of the B&W
Sensitivity is half of the TC mode
available : Equivalent to 3 x Pixels of
5µm (with their respective colour
filters).
“Full Exposure control” not needed in
this mode as the Time Delay Exposure
is not active. The Exposure time can be
control as for a single line mode.
Single Red
Single Blue
Pixel 10µm
{RGB}
One Pixel 10x10µm
grabbed
In the same time
Simple Green
Double Green
Web
Direction
Delay : 1 line
of 5µm
Single Green
Single Red
Single Blue
Blue or Red
Interpolated(*)
Pixel 5µm
{RGB}
Single Green
Web
Direction

ELIIXA+® 16k/8k CXP Color
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2.2.4 Full Definition Enhanced Mode (FD Enhanced)
5µm pixels (R,G,B)
Same definition than B&W
Requires x3 the data flow of the B&W
Sensitivity is the same as the TC mode
available : Equivalent to 6 x Pixels of
5µm (with their respective colour
filters).
“Full Exposure control” is activated in
this mode as the Time Delay Exposure
is active.
Delay : 1 line
of 5µm
Double Green
TDE
Double Green
TDE
Double Red
TDE
Double Blue
TDE
Blue or Red
Interpolated(*)
Pixel 5µm
{RGB}
Web
Direction

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2.3 Response & QE curves
2.3.1 Quantum Efficiency
2.3.2 Spectral Response
This Response is for a single 5x5µm pixel of each color (True Color Single or Full Definition Single modes).
Spectral response (Chip 1240-005 - f/3.5 - With glass)
0
1
2
3
4
5
6
7
8
9
350 400 450 500 550 600 650 700 750 800 850 900 950 100
0105 0110 0
Wavelength (nm)
Spectral Response (LSB 8-bit/(nJ/cm²))
Blue
Green blue
Green red
Red
B&W

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3CAMERA HARDWARE INTERFACE
3.1 Mechanical Drawings
Z
X
Y
The Step file is available on
the web :
www.e2v.com/cameras

ELIIXA+® 16k/8k CXP Color
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3.2 Input/output Connectors and LED
Sensor alignment
Z = -9.4 mm
±100µm
X = 9 mm
±100 µm
Y = 50mm
±100 µm
Flatness
±25 µm
Rotation (X,Y plan)
±0,1°
Tilt (versus lens mounting plane)
50µm
USB Connector
For Firmware
upgrade
Trigger Connector
Multi-Colored
LED for Status
and diagnostic
CoaXPress
Connectors

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3.2.1 Power Over CoaXPress
The ELIIXA+ CXP is compliant with the Power Over CoaXPress : There is no Power connector as the power is delivered
through the Coaxial Connectors 1 and 2.
In the Standard, the Power Over CoaXPress allows to deliver 13W (under 24V) per Channel.
The ELIIXA+ CXP requires 19W then two connectors are required for the power : The two first are used for this purpose.
If you want to Power ON the Camera you have to connect the Coaxial connector output 1 of the camera to the coaxial
connector 1 of the Frame Grabber.
Note 1 : Only the connector 1 position is mandatory. They other 3 connectors can be inverted but the camera still needs
the 2 first connectors to get it power and be able to start up.
Note 2 : Removing the 2 first connectors will shut down the Camera : You can reset the Camera by quickly ( less than 1s )
connect/disconnect the Connector CXP1 but after a longer shut down, you’ll have to reboot the PC with the Camera full
connected to the frame grabber in order to synchronize the discovery of each power line.
Note 3 : With some frame grabber you have access to a specific command (from the Frame Grabber interface) for
shutting down/up the power of the CoaxPress : This solution, with the complete reboot, is the better solution to ensure
a complete power On of the Camera.
3.2.2 Status LED Behaviour
The Power LED behavior detail is the following :
Colour and State
Meaning
Off
No power
Solid orange
System booting
Fast flash green Shown for a minimum of 1s even if the link
detection is faster
Link detection in progress
Slow flash alternate red / green
Device / Host incompatible
Slow pulse green
Device / Host connected, but no data being transferred
Slow pulse orange
Device / Host connected, waiting for event (e.g. trigger,
exposure pulse)
Solid green whenever data transferred (i.e. blinks
synchronously with data)
Device / Host connected, data being transferred
500ms red pulse In case of multiple errors, there shall be at
least 200ms green before the next error is indicated
Error during data transfer (e.g. CRC error, single bit error
detected)
Fast flash red
System error (e.g. internal error)

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3.2.3 Trigger Connector
Camera connector type: Hirose HR10A-7R-5SB or compliant
Cable connector type: Hirose HR10A-7P-5P (male) or compliant, Provided with the Camera
IN1/IN2 are connected respectively to Line0/Line1 and allow to get external line triggers or the forward/Reverse
“Live” indication.
On the Connector side, the 120Ωtermination is validated only if the input is switched in LVDS or RS422. The
electrical schematic is detailed below :
Signal
Pi
n
LVDS IN1+ / TTL IN1
1
LVDS IN1-
2
LVDS IN2+ / TTL IN2
3
LVDS IN2-
4
GND
5
1
2
3
5
5
4
Receptacle viewed from camera back

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4STANDARD CONFORMITY
The ELIIXA+ cameras have been tested using the following equipment:
A shielded Trigger cable
A 10m CoaXPress Cable for the data transfer, certified at 6Gb/s
e2v recommendsusing the same configurationto ensure the compliance with the following standards.
4.1 CE Conformity
The ELIIXA+ cameras comply with the requirements of the EMC (European) directive
2004/108/CE (EN50081-2, EN 61000-6-2) (see next page).
4.2 FCC Conformity
The ELIIXA+ cameras further comply with Part 15 of the FCC rules, which states that: Operation is subject to the
following two conditions:
This device may not cause harmful interference, and
This device must accept any interferencereceived, including interferencethat may cause undesired operation
This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to part 15 of
the FCC rules. These limits are designed to provide reasonable protection against harmful interferencewhen the
equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.Operation of this equipment in a
residential area is likely to cause harmful interferencein which case the user will be required to correct the interference
at his own expense.
Warning: Changes or modificationsto this unit not expressly approved by the party responsible for compliance
could void the user's authority to operate this equipment.
4.3 RoHs Conformity
ELIIXA+ cameras comply with the requirements of the RoHS directive 2011/65/EU.

ELIIXA+® 16k/8k CXP Color
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ELIIXA+® 16k/8k CXP Color
17 e2v semiconductors SAS 2014
5GETTING STARTED
5.1 Out of the box
The contains of the Camera box is the following :
-One Camera ELIIXA+
-Trigger connector ( Hirose HR10A-7P-5P-male or compliant)
5.2 Setting up in the system
The Compliant Lenses and their accessories are detailed in Appendix E
There is no CDROM delivered with the Camera : This User Manual , and any other corresponding documents
can be dowlaoded on the Web site.
Main Camera page : www.e2v.com/cameras
 Select the appropriate Camera Page (ELIIXA+)
FOV
Focal Plan
Sensor Plan
f
L
w
s
w
f
FOV
L
=

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6CAMERA SOFTWARE INTERFACE
6.1 Control and Interface
The ELIIXA+ CoaxPress Camera is compliant with GenICam 2.1 and the SFNC 1.5 standards.
This means that the Camera embeds its own definition and parameter description in an xml file.
Most of these Parameters are compliant with the SNFC. The specific parameters (non SNFC) are still compliant with
GenICam and can be detailed through the GenICam API process to the application.
The Frame Grabber software is supposed to propose a feature Brother, based on GenICam, which lists and allows the
modification of the parameters of the Camera.
This feature brother based on GenICam API uploads the xml file of the parameters description embedded in the Camera.
Then the following description of the parameters and commands is based on the GenICam name of these parameters.
Behind each parameter is a register address in the Camera memory.
The mapping of these registers is not given in this manual because it can change from one version or the firmware to the
next one.

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6.2 Camera Commands
6.2.1 Device Control
These are Identification values of the Camera. They can be accessed in the “Device Control” section
Feature
Description
DeviceVendorName
Get camera vendor name as a string (including ‘\0’)
DeviceModelName
Get camera model name as a string (including ‘\0’)
DeviceFirmwareVersion
Get camera synthetic firmware version (PKG version)
as a string (including ‘\0’)
DeviceVersion
Get camera version as a string (hardware version)
(including ‘\0’)
DeviceManufacturerInfo
Get camera ID as a string (including ‘\0’)
DeviceUserID
Get device user identifier as a string (including '\0')
DeviceID
Read Serial Nb
ElectronicBoardID
Read Electronic Board ID
DeviceSFNCVersionMajor
1
DeviceSFNCVersionMinor
5
DeviceSFNCVersionSubMinor
0
DeviceTemperatureSelector
Device Temperature selector
DeviceTemperature
Read Main board internal temperature (format signed Q10.2 = signed 8 bits, + 2 bits below
comma. Value from -512 to +511) in °C
DeviceScanType
Linescan
Standby
Disable : Standby mode (“False”)
Enable : Standby mode (“True”), no more video available but save power and temperature
Status Register
StatusWaitForTrigger
Bit 0: true if camera waits for a trigger during more than 1s
Status trigger too fast
Bit 1: true if camera trigger is too fast
Reserved for Factory
Bit 2 to 7
StatusWarningOverflow
Bit 8: true if a an overflow occurs during FFC calibration or Tap balance (available only for
integrator/user mode)
StatusWarningUnderflow
Bit 9: true if a an underflow occurs during FFC calibration or Tap balance (available only for
integrator/user mode)
Reserved for Factory
Bit 10
Scrolling direction
Bit 11: 0 : forward, 1: reverse
StatusErrorHardware
Bit 16 : true if hardware error detected
A standby mode, what for ?
The Standby mode stops all activity on the
sensor level. The power dissipation drops down
to about 6W. During the standby mode, the grab
is stopped
Once the Standby mode turned off, the Camera
recovers in less than 1ms to send images again
from the sensor.
Internal Temperature
25
30
35
40
45
50
55
60
65
70
75
0
5
7
10
20
30
40
50
60
70
80
90
100
110
120
130
140
Time (mn)
°C
Standby Off
Standby On

ELIIXA+® 16k/8k CXP Color
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6.2.2 Image Format
Feature
Description
SensorWidth
Get sensor physical width : 16384
SensorHeight
1
WidthMax
Mapped on SensorWidth : 16384 or 8192 in binning mode
HeightMax
1
Width
Mapped on SensorWidth : 16384 or 8192 in binning mode
Height
1
InputSource
Signal source from CMOS sensor, processing chain activated
SensorMode
0 : True Color Enhanced Mode (8192 pixels outputted)
1 : Full Definition Single Mode (16386 Pixels Outputted)
2 : Full Definition Enhanced Mode (16386 Pixels Outputted)
3 : True Color Single Mode (8192 pixels outputted)
PixelFormat
0x0401: RGB Mono8
Color Selection
Disable color components
Bit 0 : Disable Red color
Bit 1 : Disable Blue color
Bit 2 : Disable Green colors (both GreenRed and GreenBlue)
TestImageSelector
0ff: Image pattern disabled
Grey Horizontal Ramp: Set image pattern to a Grey Horizontal Ramp,
White: Set image pattern to a full White pattern.
Gray Pattern: Set image pattern to a gray pattern (Half Dynamic)
Color RGBW Pattern : Set image pattern to a RGB+W Pattern,
GreyVerticalRampMoving: Set image pattern to Grey Vertical Ramp Moving
6.2.2.1 Structure of the Sensor
Full Exposure Control
As the « Full Definition Enhanced » color mode is performing an internal Time delay exposure on the Four
Color lines, normally, the variation of the Exposure time should not possible in this sensor mode.
Thanks to an e2v licensed solution, two of the Exposure controlled mode (Ext Trig with internal or
External exposure control) are still available in this color mode.
The “Free Run” synchronization mode (line Trigger and Exposure time controlled internally) is not
available in the “FDE” color mode.
ADC
Col
ADC
Col
Memory node
Pixel Line A
Pixel Line B
Pixel Line C
Pixel Line D
Memory node
Green « Blue »
Pixels (GB)
Green « Red »
Pixels (GR)
GB
GB
GB
GR
GR
GR
Pn-1
Pn-1
Pn
Pn+1
Pn+2
Pn+3
Pn-1
Pn
Pn+1
Pixels in « Full Definition » modes :
Pn= R(n-1), GB(n) , B(n)
Pn+1 = R(n+1), GR(n+1), B(n)
In Full Enhanced, each color is issued
from the summation of 2x pixels (with
a delay between each exposure)
Pixels in « True Color » mode :
Pn= R(n), GB(n) , B(n)
Blue and Red are issued from the binning
of 2 pixels.. Green is calculated from the
averaging of 2x 2 pixels binning (GB+ GR)