All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any
means, electronic, mechanical, photocopying, recording, or otherwise, without the expressed written permission of SOUND DEVICES,
LLC. SOUND DEVICES is not responsible for any use of this information.
Microsoft Windows is a registered trademark of Microsoft Corporation. Macintosh, OSX, and ProRes are registered trademarks of Apple,
Inc. DNxHD is a registered trademark of Avid, Inc. Other product and company names mentioned herein may be the trademarks of their
respective owners.
PIX 270i, and the sound waves logo are registered trademarks of Sound Devices, LLC.
Limitation of Liability
LIMITATION ON SOUND DEVICES’ LIABILITY. SOUND DEVICES, LLC SHALL NOT BE LIABLE TO THE PURCHASER OF THIS
PRODUCT OR THIRD PARTIES FOR DAMAGES, LOSSES, COSTS, OR EXPENSES INCURRED BY PURCHASER OR THIRD PARTIES AS A RESULT OF: ACCIDENT, MISUSE, OR ABUSE OF THIS PRODUCT OR UNAUTHORIZED MODIFICATIONS, REPAIRS,
OR ALTERATIONS TO THIS PRODUCT, OR FAILURE TO STRICTLY COMPLY WITH SOUND DEVICES, LLC’S OPERATING AND
INSTALLATION INSTRUCTIONS. TO THE FULLEST EXTENT PERMITTED BY LAW, SOUND DEVICES SHALL HAVE NO LIABILITY
TO THE END USER OR ANY OTHER PERSON FOR COSTS, EXPENSES, DIRECT DAMAGES, INCIDENTAL DAMAGES, PUNITIVE
DAMAGES, SPECIAL DAMAGES, CONSEQUENTIAL DAMAGES OR OTHER DAMAGES OF ANY KIND OR NATURE WHATSOEVER
ARISING OUT OF OR RELATING TO THE PRODUCTS, THESE TERMS AND CONDITIONS OR THE PARTIES’ RELATIONSHIP,
INCLUDING, WITHOUT LIMITATION, DAMAGES RESULTING FROM OR RELATED TO THE DELETION OR OTHER LOSS OF AUDIO
Table of Contents
OR VIDEO RECORDINGS OR DATA, REDUCED OR DIMINISHED AUDIO OR VIDEO QUALITY OR OTHER SIMILAR AUDIO OR
VIDEO DEFECTS ARISING FROM, RELATED TO OR OTHERewISE ATTRIBUTABLE TO THE PRODUCTS OR THE END USER’S USE
OR OPERATION THEREOF, REGARDLESS OF WHETHER SUCH DAMAGES ARE CLAIMED UNDER CONTRACT, TORT OR ANY
OTHER THEORY. “CONSEQUENTIAL DAMAGES” FOR WHICH SOUND DEVICES SHALL NOT BE LIABLE SHALL INCLUDE, WITHOUT LIMITATION, LOST PROFITS, PENALTIES, DELAY DAMAGES, LIQUIDATED DAMAGES AND OTHER DAMAGES AND LIABILITIES WHICH END USER SHALL BE OBLIGATED TO PAY OR WHICH END USER OR ANY OTHER PARTY MAY INCUR RELATED TO
OR ARISING OUT OF ITS CONTRACTS WITH ITS CUSTOMERS OR OTHER THIRD PARTIES. NOTWITHSTANDING AND WITHOUT
LIMITING THE FOREGOING, IN NO EVENT SHALL SOUND DEVICES BE LIABLE FOR ANY AMOUNT OF DAMAGES IN EXCESS
OF AMOUNTS PAID BY THE END USER FOR THE PRODUCTS AS TO WHICH ANY LIABILITY HAS BEEN DETERMINED TO EXIST.
SOUND DEVICES AND END USER EXPRESSLY AGREE THAT THE PRICE FOR THE PRODUCTS WAS DETERMINED IN CONSIDERATION OF THE LIMITATION ON LIABILITY AND DAMAGES SET FORTH HEREIN AND SUCH LIMITATION HAS BEEN SPECIFICALLY BARGAINED FOR AND CONSTITUTES AN AGREED ALLOCATION OF RISK WHICH SHALL SURVIVE THE DETERMINATION
OF ANY COURT OF COMPETENT JURISDICTION THAT ANY REMEDY HEREIN FAILS OF ITS ESSENTIAL PURPOSE.
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v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
Introduction
The PIX 270i is a rack-mountable, production video recorder with extensive audio and video processing capabilities. The foundation of the PIX 270i is hardware-based, 10-bit video up/down/cross
conversion, and hardware-based encoding to Apple ProRes and Avid DNxHD codecs. These features
allow for fast, reliable acquisition of video (at any standard HD or SD resolution and frame rate) and
audio (up to 64 tracks from Analog, AES, HDMI, SDI, MADI, or Dante sources) to ready-for-edit,
industry standard QuickTime .mov files.
Files are recorded simultaneously on (up to) 4 separate, 2.5” SSD storage devices via two front panel
PIX-CADDY slots and two rear panel eSATAp connections. This redundancy in local, removable
storage devices, coupled with standard, Ethernet-based file transfer features further reduces steps in
the production workflow. Gigabit Ethernet network ports enable remote access to recorded files and
the ability to transfer them quickly into a post-production environment.
Full-featured precision timecode and sync reference I/O using Ambient Clockit core technology is
provided to allow tight synchronization with external equipment in complex multi-machine configurations. The PIX 270i supports various external control options: RS-422, GPIO, SDI flags, Timecode
triggering, and an embedded web server for network-based remote control. Network Grouping
functionality enables linked, frame-synchronized recording and playback of multiple PIX 270i units
connected to a standard Ethernet network.
This User Guide details installation and operation of the PIX 270i. This User Guide corresponds to
PIX 270i firmware version 2.10. User Guide revisions are released at the same time as firmware updates and available online:
Several formatting features have been included to make navigating the guide easier.
•Physical buttons on the PIX 270i are represented with capital letters (REC button, MENU, etc).
All physical button names are detailed in the Panel Descriptions section.
•Button combinations are represented with the plus (+) symbol. For example: “Press LCD + AUDIO” means to first hold down LCD, then press AUDIO, and finally release both buttons.
•Setup Menu items are indicated with this text: [Menu Category - Parameter], where the menu
category is one of the items in the list displayed when MENU is pushed, and the parameter is an
item in the list displayed when that category is selected (by pressing in on the Control Knob).
•Blue italicized text references sections of the user guide containing contextually relevant information. When viewing this document on a computer, this text can be clicked to jump to the named
section.
Video Mode and Audio Mode
Introduction
Throughout this User Guide, the terms Video Mode and Audio Mode will be used. The PIX 270i is
capable of recording video and audio together into a QuickTime .mov file (Video Mode) or recording audio only to a .wav file (Audio Only Mode). The mode is determined by the Setup Menu option
[System - Video/Audio Mode]. When set to [Video + Audio (QuickTime), the PIX 270i is in Video
Mode. When set to Audio Only Poly (Wave) or Audio Only Mono (Wave) the PIX 270i is in Audio
Mode.
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PIX 270i User Guide and Technical Information
Panel Descriptions
Front Panel
123546789
Panel Descriptions
1) Control Knob
The Control Knob can be both turned and
pressed. Use the Control Knob to navigate between menu settings and to select
menu items. Pressing during playback or
stop will toggle Shuttle mode. Turning
while playback is paused will jog forward
or backward by single frames.
2) AUDIO Button
Displays the Audio Screen. From the
Audio Screen: Select audio input sources,
Arm/disarm tracks, Set audio input gain
and delay, View audio input levels, and
Edit audio track names.
3) LCD Button
Toggles the On-Screen Display. Hold for
2 seconds to toggle LCD on/off. Press to
return to the Main View.
4) Handle
This handle is designed to provide a gripping point for tilting down the LCD.
101214131115
5) LCD Display
Displays operating information when the
On-Screen Display (OSD) is active(See
“On-Screen Display”, page 6), user in-
terface, source video, and playback video.
5-inch display; 800x480 resolution.
6) FILES Button
Displays the File List View. Press FILES +
Fast Forward (>>) during record or playback to add a Cue Marker. Press FILES +
Rewind (<<) to delete a Cue Marker.
7) MENU Button
Displays the Setup Menu.
8) Play Button
Plays the most recently recorded file
when pressed. In the File List View, plays
the selected file from the File List. Toggles
Play and Pause in Playback mode. Press
and hold Play to activate Loop Play
(Video Mode). (See “Playback”, page 34)
9) Stop Button
Stops an active recording or playback.
When Stopped, hold the Stop button to
display the next filename.
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PIX 270i User Guide and Technical Information
10) Fast Forward Button
When Stopped, press to cue up the next
file for Playback. During Playback or
Pause, press once to jump to the next Cue
Marker, press and hold to increase playback speed. Continue to hold for faster
speeds.
11) REC Button
Begins recording. Optional: Splits the
recording and begins writing a new
file when pressed while recording.
[System - Rec Button File Split]
12) Rewind Button
When Stopped, press to cue up the previous file for Playback. During Playback
and Pause, press once to jump to the
previous Cue Marker or beginning of the
file, press and hold to reverse playback
speed. Continue to hold for faster reverse
speeds.
Rear Panel
13) Headphone Volume Knob
Adjusts the overall volume of the headphones. NOTE: the headphone output is
capable of ear-damaging levels. Take care
when adjusting among signal sources.
14) Headphone Output 1/4”
TRS stereo headphone connector. Can
drive headphones from 8 to 100 ohms to
very high headphone levels.
15) USB Keyboard Input
USB A female connector to connect a USB
keyboard. Keyboards can be used to navigate, control, and enter metadata into the
PIX 270i. Keyboards with integrated USB
hubs are not compatible.
Input (top) accepts up to 64 channels of
MADI (AES10) digital audio. Output
(bottom) provides MADI (AES10) digital.
MADI connections use multimode fiber
and networks.
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PIX 270i User Guide and Technical Information
Panel Descriptions
4) MADI I/O (BNC)
Input (top) accepts up to 64 channels of
MADI (AES10) digital audio. Output
(bottom) provides MADI (AES10) digital
audio.
Output (bottom): Selectable genlock or wordclock output. Configured with Setup Menu option
[Timecode/Sync - Sync Out]. Input (top):
Selectable Genlock or Wordclock input.
Configured with [Timecode/Sync] Setup
Menu options Sync Ref - Video Playback
or Sync Ref - Audio Playback.
7) Digital Audio AES I/O (DB-25)
8 channels of AES digital audio input
and 8 channels of AES digital output. (See
“Connector Pin Assignments”, page 82)
8) Ch. 1-8 Analog Audio Output (DB-25)
8 channels of balanced, line-level analog
audio output. Configured with Setup
Menu option [Audio - Line Output]. (See
“Connector Pin Assignments”, page 82)
9) Ch. 1-8 Analog Audio Input (DB-25)
8 channels of balanced, line-level analog
audio input. (See “Connector Pin Assign-
ments”, page 82)
10) Analog Audio Inputs (XLR)
2 channels of balanced, line-level analog
audio inputs. If both XLR and DB-25
signals are connected, the signal will be
combined.
11) Analog Audio Outputs (XLR)
2 channels of balanced, line-level analog
audio outputs. Same signal as DB-25 Analog Audio outputs channels 1 and 2.
12) Ethernet (RJ-45)
Attaches to 1G or 100M Ethernet networks. Provides Dante connectivity (See
“Dante Audio Inputs”, page 15), Network
Grouping (See “Network Grouping”, page
47), web access for remote control (See
“Web Interface - PIXNET”, page 50), and
network file service. (See “Storage and File
Management”, page 59)
13) RS-422 Control (DB-9)
Connects to RS-422 Controllers for external control of the PIX 270i. (See “RS-422”,
page 50)
14) External Drive Connections (eSATAp)
Connector for approved 2.5-inch SATA
drives. Sound Devices maintains a list of
tested and approved media for use with
PIX video recorders. Visit www.soundde-
vices.com/approved for an up-to-date list of
tested and approved media.
15) SDI Video I/O (BNC)
Input (right): Accepts 3G-SDI, HD-SDI, or
SD-SDI signal with up to 16 channels of
embedded audio. Output (left): Provides
3G-SDI, HD-SDI, or SD-SDI signal with
up to 16 channels of embedded audio.
16) GPIO Remote (Phoenix 10-pin)
Logic contact points for remote control.
(See “GPIO (General Purpose Input / Out-
put)”, page 57)
17) HDMI Video Input (HDMI)
Accepts HDMI (1.4a) signal with 8
channels of embedded audio. The PIX
270i does not record or display content
encoded with HDCP.
18) HDMI Video Output (HDMI)
Provides HDMI (1.3) signal with 8
channels of embedded audio. Audio
configured with Setup Menu option
[Audio - HDMI/AES Output].
19) USB Connection
Connect to a Windows computer to load
firmware with PIX Loader software
(Available on the Sound Devices website).
(See “Setup Management and Firmware
Upgrades”, page 68)
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PIX 270i User Guide and Technical Information
PIX-CADDY 2 (Optional)
The PIX-CADDY 2 is an accessory to connect approved 2.5” drives to the front-panel drive bays.
When removed from a PIX 270i, the PIX-CADDY 2 operates as a high-speed drive interface to Mac
OS and Windows computers via the onboard FireWire800, USB 3.0, or the optional PIX-DOCK Thunderbolt interface.
For reliable operation, it is imperative that the 2.5” drive be firmly screwed to the PIX-CADDY 2 with
the supplied screws. Some thinner drives may require the use of the PIX-SHIM accessory to ensure a
solid fit.
PIX-CADDY CFPIX-CADDY 2
5
2
6
7
3
8
1) FireWire 800
FireWire 800 connector. Requires a powered FireWire 800 or 400 port. Backward
compatible when using Firewire 800 to
400 cable.
2) eSATAp
High-speed data transfer over 5V
eSATAp. Requires a 5V powered eSATAp
port.
3) USB 3.0
High-speed data transfer over USB 3.0
(backward compatible with USB 2.0).
4) 2.5” Drive Slot
Connector for approved 2.5-inch SATA II
and SATA III drives. Sound Devices maintains a list of tested and approved SSD’s
or hard drives for use with PIX video
recorders. Visit www.sounddevices.com/ap-
proved for an up-to-date list of tested and
approved drives.
4
2
1
5) Activity LED
Illuminates when recording, playing,
reading, or writing to the attached 2.5”
drive. Do not remove the caddy while the
Activity LED is illuminated. LED does not
illuminate when connected to a computer’s
eSATA port.
6) Release Latches
Secures the PIX-CADDY 2 to the recorder.
Press both latches to remove the caddy
assembly.
7) Screw Holes
For reliable operation, it is imperative that
the 2.5” drive be firmly screwed to the
PIX-CADDY 2 with the supplied screws.
8) CF Slot
Connector for approved CompactFlash
media. Sound Devices maintains a list of
tested and approved CF cards. Visit www.
sounddevices.com/approved for an up-to-
date list of tested and approved drives.
Panel Descriptions
5
PIX 270i User Guide and Technical Information
Menu and Navigation
Main View
The Main View displays the live or playback video and the On-Screen Display. The Main View is the
default view which appears when no other views or menus are selected.
On-Screen Display
The On-Screen Display (OSD) provides information superimposed over the Main View. From the
Main View, LCD will toggle the OSD on and off. Items included in the OSD are configured with
the Setup Menu option On-Screen Display. When factory settings are loaded from the Quick Setup
menu item all OSD items are shown.
5. Input - VideoResolution and frame rate of the video input signal.
6. File Resolution/RateDisplays the resolution and frame rate of the file being recorded or played (Video Mode). In
7. File CodecThe presently selected video codec (Video Mode) or WAV Poly/Mono (Audio Mode). This infor-
8. Sync ReferenceThe current source of synchronization. This information will update for recording and playback.
Levels of audio tracks 1 and 2. Shown here in Top (wide) mode. Can be re-positioned with
Setup Menu option [On-Screen Display - Audio Metering]
Displays the selected network group in [Network - Network Group] as well as the
amount of units in that group in parentheses.
Audio Mode the file type (WAV) is displayed. The File Resolution/Rate field is displayed in
different colors to indicate conversion methods. (See “Video Scaling and Frame Rate
Conversion”, page 31)
mation will update for recording and playback.
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PIX 270i User Guide and Technical Information
Item Description
9. Cue MarkerCue marker and playback looping information is displayed here during record and playback.
10. TimecodeCurrent timecode and frame rate of the recording or playing file.
11. Audio SourceAudio sample rate, bit depth, and channel count. In Audio Mode, flashes red to indicate
12. RS-422 Status
13. IP AddressNetwork IP address of the PIX 270i
14. Drive 1-4 (D1-D4)
status
15. ABS TimeAbsolute Time: Displays the elapsed time of the file being recorded or played and the transport
16. File NameName of the current file. Holding Stop shows the next file name
Target drives, ABS Time, File Name, Timecode, and Cue Marker OSD fields change colors to indicate
the various transport states, White = Stopped, Red = Record, Green = Play/Pause, Blue = Rew/Fast
Forward/Shuttle.
[Audio - Sample Rate] does not match [Timecode/Sync - Sync Ref - Audio Only].
RS-422 is displayed when [Remote Control - RS-422] is on.
Displays the status and remaining record time of each drive (when video input is present) or remaining space in GB (when no video input is present), Offline (when no
media is present), Mounting (when media is becoming ready), No Fmt (when
media is not formatted), Network (when drive mode is Ethernet File Transfer), or
R/O (when drive mode is Read Only). An asterisk indicates that the drive is On in
[File Storage - Drive record/Network Mode]. When recording, all drives that are be-
ing written to are displayed in red. When Stopped or in Playback, the green drive is the current
default playback drive. Drive status field is orange when a drive is busy.
status (Stop, REC, Play, Fast Forward, and Rew).
Menu
Press MENU (keyboard: F1) to enter the Setup Menu. Most settings of the PIX 270i are accessed and
changed from the Setup Menu. Navigate between menu items by turning the Control Knob and
pressing it to select. When in a menu, press MENU to go back to the previous screen.
Menu & Navigation
The Setup Menu is not accessible when in Record or Playback. If the Setup Menu is open when record or
playback is engaged, the Setup Menu will close and return to the Main View.
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PIX 270i User Guide and Technical Information
Audio Screen
From any screen, press AUDIO (keyboard: F3) to view the Audio Screen. The Audio Screen displays
all audio input levels and provides configuration of Track Arming, Track Naming, Input Source
selection, Input Gain, and Input Delay. The Audio Screen by default displays 16 tracks at a time. This
can be changed to 8, 16, or 32 track displays in [Audio - Audio Screen Meters].
To make adjustments in Audio Screens:
1. Rotate the Control Knob to move the blue highlighter to the desired track.
2. Press the Control Knob to focus the highlighter on parameters for the track. The highlighter
will become orange.
3. Rotate the Control Knob to move the orange highlighter to the desired parameter.
4. Press the Control Knob to edit the highlighted parameter.
5. Rotate the Control Knob to adjust the value or seing. If editing Track Names, use the the onscreen keyboard or aached USB keyboard.
6. Press the Control Knob to save the new seing. The highlighter will become blue and once
again highlight the entire track.
Menu & Navigation
Headphone Source
Highlighted Track
Drive Statuses
Timecode Value
Expanded Meters
Sync Source/Sample Rate
Timecode Frame Rate
Transport StatusAbsolute Time
File Name
Press AUDIO while viewing an Audio Screen to toggle Expanded Meters. Input Source, Gain, and
Delay parameters are removed to accommodate for higher resolution meters.
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PIX 270i User Guide and Technical Information
Other audio related settings are accessible from the Setup Menu option Audio.
File List
Press FILES (keyboard: F2) to display the File List; A list of all of the recorded takes. Takes are arranged chronologically and grouped by Reel. Turn the Control Knob to highlight an item. Press Play
to start playback of the highlighted take. Press the Control Knob (Press and hold for multi-file clips)
to perform functions based on which item is highlighted.
1
2
3
678
1) Next Take
Information for the next take.
2) Current Take
Information for the current take. Item is
red while recording.
3) Reel Group
A group of clips organized by reel number. Takes below are part of the indicated
reel. Number in brackets indicates number of clips in the reel. Press Control Knob
to expand or collapse list of takes in this
reels.
4) Multi-File Take
Take consisting of multiple files. Number
of files in the take represented by number
in brackets. Press Control Knob to expand
or collapse list of files in this take. Press
and hold Control Knob to access details
for all files in the take.
5) Take
Represents a single take. Press Control
Knob to view Take Details Screen or edit
metadata. Press Play to play take immediately.
6) Name
The name or number of the take, file,
or reel. Number in brackets indicates
amount of clips in the reel or amount of
files in the take.
7) Date and Time
Date and time the take or reel was created.
8) Size
Total size of the take, file, or reel.
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5
Menu & Navigation
9
PIX 270i User Guide and Technical Information
The selected drive is displayed on the top of the screen. To view the contents of other drives, scroll
to the top of the list; A pop up box appears with a list of all available drives. Select the desired drive
and press the Control Knob.
While in the File List press FILES to collapse all Reel folders and multi-file takes to ease file navigation.
Take Details Screen
From the File List, highlight a file and press the Control Knob to view the Take Details Screen. To
view Multi-file Take details, highlight the menu item with the file extension then press and hold the
Menu & Navigation
Control Knob. Details include:
• Start timecode
• Timecode frames-per-second
• Timecode user bits
• Video resolution and rate
• File creation date and time
• Video codec/ Broadcast Wave
• Media
• File size
• Duration
• Audio Format
10
File functions are also available in the Take Details Screen:
• Delete: Deletes the take or le (Conrmation dialog). (See “Deleting a File”, page 66)
• Notes, Scene, Take, Track Names, and Circled: Edit iXML / bEXT metadata of audio takes. (See
“Metadata”, page 61)
• Add to Play List: Adds the audio or video take to the Play List. (See “Play List”, page 37)
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
• Remove from Play List: Removes the audio or video take from the Play List. (See “Play List”, page
37)
• Empty Play List: Empties the entire Play List. (See “Play List”, page 37)
Metadata Screen
The Metadata screen gives you quick access to certain metadata for the previous, current, and next
WAV recordings, letting you change the data in an instant.
The metadata you can edit includes:
SceneUse any alphanumeric value to name the scene.
Ta keUse numeric values to name the take.
CircledOptions include: Yes | No
NotesType any brief notes maually or select from a pre-defined, customizable list of 20 most commonly used phrases.
To access the Metadata screen, do one of the following:
• Press AUDIO + MENU.
• From an attached keyboard, press Ctrl+M.
If accessing the Metadata screen while recording, focus will be on the Scene field for the current take, so
that field will be highlighted. If accessing the Metadata screen while in standby (stopped) mode, the Scene
field for the next take will have the focus and appear highlighted.
To navigate the Metadata screen, do any of the following:
• Turn the Control knob to scroll vertically.
• Press the REW or FF buttons to move horizontally.
• From an attached keyboard, use the Arrow keys to navigate vertically or horizontally.
• Press the Control knob to make a selection.
Scrolling down and beyond the Notes field will display a customizable, predefined phrase list, letting you
make quick notes with the most common wording. Scroll up to exit the list and return to the Metadata
screen.
Menu & Navigation
11
PIX 270i User Guide and Technical Information
Phrase List
Menu & Navigation
The phrase list is a feature that lets you predefine a list of up to twenty most commonly used phrases, which can be added to WAV files as part of the Notes metadata. This list, once defined, can be
used via the Metadata screen or the Take Details screen.
To define the phrase list:
1. Press the MENU buon.
2. Select File Storage > Phrase List Manager. The Phrase List appears.
3. Select Add New Phrase.
4. Enter the text for that phrase.
Take Details Screen
While detailed file information is available via the FILES button, the Metadata screen also provides
quick access to viewing take details for the previous, current, or next WAV recordings.
To access the Take Details View from the Metadata screen:
1. Use the Control knob to scroll up to the column header row: PREVIOUS CURRENT NEXT
2. Press the REW or FF buons to move horizontally to select the previous, current or next take.
3. Push in the Control knob to display the details for the chosen take.
LCD
From the Main View, press LCD to toggle the On-Screen Display (OSD)
on or off, press and hold LCD for two seconds to turn off the LCD, press
again to turn on. From all other views, press LCD to return to the Main
View. The LCD Control Panel provides adjustments to the LCD backlight, image brightness, image contrast, image chroma, and button backlight. To access the LCD Control Panel, press LCD + Control Knob. The
parameter with the orange slider bar is the selected parameter. To toggle
through the parameters press the Control Knob. To adjust the setting,
turn the Control Knob. Press LCD again to exit back to the Main View.
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v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
Inputs and Outputs
Video Inputs
The PIX 270i accepts video input signals over HDMI, HD-SDI, and single link 3G-SDI Level A and B.
The PIX 270i does not accept analog video signals. See the Specifications section for a complete list of
supported frame rates.
HDMI
The PIX 270i accepts HDMI version 1.4a video and audio. Supported video resolutions and rates
are listed in the Specifications section. The PIX 270i HDMI input accepts up to 10-bit, 4:4:4 video,
up to 8 channels of embedded audio. The PIX 270i also accepts Sony’s proprietary timecode over
HDMI. In Video Mode, the digital audio embedded in the HDMI stream (32 kHz – 192 kHz) is
always re-sampled to 48 kHz. In Audio Mode it is re-sampled to the sample rate determined by the
[Timecode/Sync - Sync Ref - Audio Only].
720p30/29.97, 720p25, and 720p24/23.976 are not supported on the HDMI input or the HDMI output.
HDCP copy protection prevents direct digital-to-digital copying of copyrighted material. Protected
DVDs, Blu-Rays, and streaming content with HDCP encryption is not valid content and will be ignored
by the PIX 270i.
SDI
The SDI input on the PIX 270i accepts video with embedded audio (up to 16 channels) and embedded SMPTE timecode. This connection accepts digital video up to 12-bit, with up to 4:4:4 color sampling. Unlike the HDMI interface, which auto-negotiates rates between devices, what comes out of a
camera’s SDI output is received by the PIX 270i with no auto-negotiation or sample rate conversion.
The PIX 270i supports 3G-SDI single link, but not dual-link HD-SDI.
Timecode over SDI is not available when recording in standard definition
Video Outputs
Both HDMI and SDI outputs are active simultaneously. This allows for conversion from SDI to
HDMI and HDMI to SDI.
The output video signal source is the signal present at the currently selected video input (Setup
Menu option [Video - Video Input]), except during video playback. The resolution and frame rate of
the output stream is determined by the Setup Menu option [Video - File Resolution/Rate] setting,
except during video playback. The SDI Output is capable of sending HD (4:2:2 10-bit) or 3G (4:4:4
12-bit), this is set in [Video - SDI Output Type].Video playback signal is sent to the HDMI and SDI
Outputs.
Inputs & Outputs
13
PIX 270i User Guide and Technical Information
Standard Definition video is always output using HD Mode because 3G does not support Standard
Definition.
The output video stream contains up to 16 tracks of embedded audio for SDI and 8 tracks for HDMI.
Timecode and record start and stop flags are included on the SDI output.
Timecode overlay can be added to the HDMI and/or SDI output signal in
[Video - Video Output OSD]. The timecode overlay is displayed in various colors to indicate the current transport state of the PIX 270i: White = Stopped, Red = Record, Green = Playback.
Audio Inputs
The PIX 270i can record up to 64 tracks from a variety of audio input sources in both Video and Audio modes:
Input Type CountConnector(s)GainDetails
Analog8
AES Digital81-8: DB-25 (CH 1-8 AES IN/OUT)
HDMI Digital81-8: HDMI Input
1-8: DB-25 (CH 1-8 LINE IN)
1-2: XLR (LINE IN 1/2)
Inputs & Outputs
SDI Digital161-16: SDI Input
Dante641-64: Ethernet
MADI64
1-64: Optical SC (MADI IN)
1-64: BNC (MADI IN)
Off, -25
to 20 dB
Off, -25
to 50 dB
Off, -25
to 20 dB
Off, -25
to 20 dB
Off, -25
to 20 dB
Off, -25
to 50 dB
Balanced, Line-level. Channels 1-2 on DB-25
connector are summed with respective XLR connectors.
Selectable between AES or HDMI with Setup
Menu option [Audio - HDMI/AES Select]
Selectable between AES or HDMI with Setup
Menu option [Audio - HDMI/AES Select]
See Dante Audio Inputs for full details
See MADI Audio Inputs for full details
Maximum amount of recording tracks is affected by sample rate. (See “Recording”, page 25)
Analog Audio Inputs
The PIX 270i has eight, high-performance, line-level analog audio inputs.
XLR (1-2)
The XLR balanced inputs accept line-level signals. These inputs are shared with Channels 1 and 2 of
DB-25 Analog Audio Input connector. Channels 1 and 2 of this connector are summed with channels
1 and 2 of the DB-25 connector, respectively.
DB-25 (1-8)
Eight analog, line-level inputs are provided on the DB-25 Analog Audio Input connector. This connector is wired in the Tascam fashion (See “Connector Pin Assignments”, page 82). Channels 1 and 2
of this connector are summed with channels 1 and 2 XLR Analog Audio Inputs, respectively.
Digital Audio Inputs
The PIX 270i accepts digital audio from HDMI, SDI, AES/EBU, MADI, and Dante inputs. All digital
inputs are sample rate converted. This helps ensure synchronization of digital audio from multiple
sources. In Video Mode, audio is sampled at 48kHz. In Audio Mode, the sample rate is determined
by the [Audio - Audio Mode Sample Rate] when [Timecode/Sync - Sync Ref - Audio Only] is set
to Internal. Otherwise, the Audio Mode sample rate is determined by the selected synchronization
reference.
14
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
AES3
The PIX 270i accepts AES3 (AES/EBU) digital signals with sampling rates from 32 kHz up to
192 kHz and bit depths up to 24-bits. In Video mode, AES3 inputs are sample rate converted
to 48 kHz. In Audio Mode, the sample rate conversion is determined by Setup Menu option
[Timecode/Sync - Sync Ref- Audio Only]. see Audio Mode
All AES3 input signals must be clocked to the same rate.
MADI (AES10)
The PIX 270i accepts 64 channels of digital audio with sampling rates from 32 kHz up to 96 kHz and
bit depths up to 24-bits. MADI Inputs 1 to 64 are derived from the MADI Input BNC connector and
the MADI Input SC (optical) connector on the rear panel. The MADI connector used is configured
with Setup Menu option [Audio - MADI Input]. When this option is set to Auto-Detect, signal for
each channel will be derived from whichever MADI Input connector has signal. If signal is present
on the same channel in both MADI Input connectors, the signal from the SC (optical) connector will
be used.
HDMI / SDI Embedded Audio
The PIX 270i accepts 8 channels of embedded digital audio on the HDMI Video Input or 16 channels
of digital audio on the SDI input.
Dante Audio Inputs
Dante delivers an easy-to-setup, self-configuring, plug-and-play digital audio network that uses
standard Internet Protocols over 100Mb and/or Gigabit Ethernet. Dante reliably distributes multichannel digital audio with sub-millisecond latency and sample-accurate record and playback
synchronization over CAT 5 cabling. Up to 64 Dante audio channels can be selected in any combination from any Dante audio device on the same Dante network. Should they be necessary, sample rate
converters are automatically activated for all Dante audio inputs.
An input Source can be set to an available Dante channel from the PIX 270i or from the Dante
Controller application (Available from Audinate’s website: http://www.audinate.com/) running on a
computer attached to the network. To select a Dante source from the PIX 270i, follow the instructions
in the Choosing Audio Sources section of this guide (See “Choosing Audio Sources”, page 16).
To route Dante channels with the Dante Controller application:
1. Open the Dante Controller application.
2. Select the Routing tab. This table displays Dante devices with available outputs (“Dante
Transmiers”) horizontally, and Dante devices with available inputs (“Dante Receivers”)
vertically. PIX 270i units will be represented by their PIX names per Setup Menu option
[Network - This PIX’s Name].
3. Click the plus symbol (+) where the column of the desired Dante transmiing device intersects with the row of the PIX 270i you wish to set input sources on. This expands the table to
display a matrix of the transmiing device’s outputs to the PIX 270i’s inputs.
4. Click the slots in the matrix where you wish to route or un-route audio channels. A green
circle with a check mark will appear in slots that are routed.
Inputs & Outputs
15
PIX 270i User Guide and Technical Information
Inputs & Outputs
Dante Redundancy
When [Network - Dante Redundancy Mode] is set to On, the PIX 270i’s Primary and Secondary
Ethernet ports both transmit Dante Audio data over separate networks. This provides a fail safe of
the Dante system if one of the networks should fail.
In Dante Redundancy Mode, two separate networks must be run and they CANNOT be connected to one
another. Connect any computer running Dante Controller to the PIX 270i’s PRI Ethernet network.
See http://www.audinate.com/ for further information on the Dante protocol.
Sample Rate Converters
All digital inputs have Sample Rate Converters. These help ensure synchronization of digital audio
from multiple sources.
Choosing Audio Sources
Audio Input Source is selected in the Audio Screen in the Source column. To setup an input:
16
1. Press AUDIO to access the Audio Screen. If the Source column is not visible, press AUDIO
again to reveal it.
2. Rotate the Control Knob to select the desired track.
3. Press the Control Knob to focus the highlighter on the selected track’s parameters. The high-
lighter will become orange and focus on a single column in the track.
4. Rotate the Control Knob to highlight the Source column.
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
5. Press the Control Knob to open the Audio Source options window. Select the general type of
input to be used from O, Line In, HDMI/AES In, MADI In, or SDI In and press the Control
Knob again to open up all options for that input type.
6. Press the Control Knob to make a selection and exit the Audio Input Source options window.
Dante sources must be connected in order to select them as audio input sources.
For quick general audio source configurations use [Audio - Audio Input Quick Setup]. (See “Setup
Menu Options”, page 71)
Input Gain Control
Audio Input Gain is set in the Audio Screen in the Gain column. To adjust the gain of an audio track:
1. Press AUDIO to access the Audio Screen. If the Gain column is not visible, press AUDIO
again to reveal it.
2. Rotate the Control Knob to select the desired track.
3. Press the Control Knob to focus the highlighter on the selected track’s parameters. The high-
lighter will become orange and focus on a single column in the track.
4. Rotate the Control Knob to highlight the Gain column.
5. Press the Control Knob to edit the gain value. Turn the Control Knob to adjust the gain in 1
dB increments. Gain is adjusted in real time. The available gain range depends on the audio
input source. (See “Audio Inputs”, page 14)
6. Once the desired gain value is set, press the Control Knob to exit the gain window.
Input Gain can be linked in [Audio - Input Gain Linking]. When linked, adjust any channel’s gain
value to adjust the gain of all channels. Gain offsets from channel to channel are maintained. If this is
not desired, unlink the gain and set all gain values to the same value, then re-link input gain.
Input Delay Control
Audio Input Delay is set in the Audio Screen in the Delay column. Delay is adjustable from 0 to 400
mS. To adjust the delay of an audio track:
1. Press AUDIO to access the Audio Screen. If the Delay column is not visible, press AUDIO
again to reveal it.
2. Rotate the Control Knob to select the desired track.
3. Press the Control Knob to focus the highlighter on the selected track’s parameters. The high-
lighter will become orange and focus on a single column in the track.
4. Rotate the Control Knob to highlight the Delay column.
5. Press the Control Knob to edit the delay value. Turn the Control Knob to adjust the delay in 1
mS increments.
6. Once the desired delay value is set, press the Control Knob to exit the delay window.
Inputs & Outputs
Input Delay can be linked in [Audio - Input Delay Linking]. When linked, adjust any channel’s delay
value to adjust the delay of all channels. Delay offsets from channel to channel are maintained. If this
is not desired, unlink the delay and set all delay values to the same value then re-link input delay.
17
PIX 270i User Guide and Technical Information
Audio Outputs
Analog Audio Outputs
The eight analog outputs of the PIX 270i are active-balanced, line-level outputs (+18dBu max). At factory default, the source of the Analog Line Outputs 1-8 is tracks 1 to 8, respectively. Any of the available 64 Tracks can be sent to the Line Outputs. Line Output routing is set in [Audio - Line Output].
Digital Audio Outputs (HDMI/AES)
AES and HDMI Outputs are active at all times but these two outputs share the same source. At
factory default, the source of the HDMI/AES Outputs 1-8 is tracks 1 to 8, respectively. Any of the
availabe 64 Tracks can be sent to the HDMI/AES Outputs. HDMI/AES Output routing is set in
[Audio - HDMI/AES Output].
SDI Audio Outputs
The SDI video output embeds up to 16 channels of digital audio. At factory default, the source of the
SDI Audio Outputs 1-16 is tracks 1 to 16, respectively. Any of the available 64 Tracks can be sent to
the SDI Output. SDI Output routing is set in: [Audio - SDI Output].
Dante Audio Outputs
Inputs & Outputs
Tracks 1-64 are permanently routed to Dante Outputs 1-64 respectively. Up to four PIX 270i units can
be daisy-chained using their built-in internal Ethernet switches. If using five or more PIX 270i units,
Sound Devices recommends using an external Ethernet Switch in a star configuration.
MADI Audio Output
Both the SC Optical and BNC MADI outputs provide 64 channels of digital audio. At factory default,
the source of the MADI Audio Outputs 1-64 is tracks 1 to 64, respectively. Any of the available 64
Tracks can be sent to the MADI Output. MADI Output routing is set in: [Audio - MADI Output].
Headphone Output
The PIX 270i is capable of driving headphones to extremely high sound pressure levels. Hearing experts
advise against exposure to high sound pressure levels for extended periods.
The PIX 270i’s headphone output is a flexible tool for monitoring audio. The headphone level is
adjusted using the Headphone Volume Knob.
To quickly select a headphone source, press and hold AUDIO then turn the Control Knob. The Headphone Source can also be selected in the Setup Menu option [Audio - HP Source]. To solo a track,
enter the Audio Screen, highlight the track, then press AUDIO + LCD. The solo headphone source
will be indicated on the top-left of the Audio Screen (HP: Solo8 for example). To stop solo of a track,
highlight the soloed track, then press AUDIO + LCD.
Warning Bells are sent to the headphone monitor to alert the user of various states such as transport
changes, and errors such as No Media Connected or No Input Signal Detected. The loudness of these
warning bells is adjustable from Off, -60 to -12 dBFS in [System - HP Warning Bell Level]. At factory
default, the warning bells are set to -40 dBFS.
18
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
Ethernet
The PRI and SEC Ethernet ports on the rear panel of the PIX 270i are used for a variety of PIX 270i
functions/features:
• Dante (64-Channel Audio I/O over network) (See “Dante Audio Inputs”, page 15)
• Network Grouping (See “Network Grouping”, page 47)
• File Transfer (Samba) (See “Transferring Files”, page 66)
• Web Browser Control (See “Web Interface - PIXNET”, page 50)
Up to four PIX 270i units can be daisy-chained using their built-in Ethernet switches. If using five or
more PIX 270i units, Sound Devices recommends using an external Ethernet Switch in a star configuration.
The PIX 270i can either be allocated an IP address from a DHCP server (recommended) or over Linklocal networking. Link-local networking is a protocol which automatically allocates a 169.254.x.x IP
address in the absence of any DHCP server. If a DHCP server is available, the PIX 270i will automatically use it if [Network - Auto IP Settings] is set to On.
Alternatively, the IP address can be configured manually. When Setup Menu option
[Network - Auto IP Settings] is set to Off, Setup Menu options [Network - IP Address],
[Network - Subnet Mask], and [Network - Gateway] are enabled. When these settings are improperly set, the PIX 270i may be unreachable in the network or may cause conflicts resulting in other
devices in the network being unreachable. Consult with an IT technician to determine the appropriate settings when connecting to a large network.
The PIX 270i uses on-board Auto-MDIX (crossover detection) to allow for direct connection to a computer or to a network.
Dante uses a separate IP Address which is configured automatically when connected to other Dante
devices. This IP Address is displayed when connected to a computer running Dante Controller, a
free-of-charge application available from Audinate. See the following link for details about Dante
Controller’s capabilities.
http://www.audinate.com/
In Dante Redundancy Mode, two separate IP Addresses are used by Dante. (See “Dante Redundancy”,
page 16)
Ethernet
19
PIX 270i User Guide and Technical Information
Video Monitoring Features
The PIX 270i includes various monitoring features to assist with exposure and focus. These functions
only affect signal on the LCD display and will never affect the recorded video or the video output
signal.
Exposure Assist
+
FILES
Video Monitoring Features
LCD
Exposure assist features mark areas of the video image based on the exposure level. With over- or
under-exposed areas of the image clearly marked, adjustments can be made on the camera to ensure
that the signal reaching the recorder has a proper exposure. Exposure Assist is enabled by pressing
LCD + FILES. When Exposure Assist is enabled, “EXP” is displayed on the OSD in yellow text.
When exposure assist is enabled, False Color or Zebra stripes will be overlaid on the LCD monitor
signal. The Setup Menu option [LCD Monitor - Exposure Assist] determines which mode will activate when exposure assist is toggled on.
The following image is a luminance ramp signal displayed on a PIX 270i with no exposure assist enabled. Screen shots in the following sections show the effect of the various Exposure Assist features
on this test signal.
False Color
20
False Color exposure assist mode replaces pixels with a specific color relative to the luminance level.
The two types of False Color (selectable from Setup Menu option [LCD Monitor - Exposure Assist])
are 12-step and 4-step.
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
12-step False Color mode divides the monitor signal into 12
luminance ranges and assigns a color to each.
4-step False Color mode divides the monitor signal into 4
ranges and assigns a color to all but one range (this range is
displayed without chroma). The table below illustrates the
colors as they relate to luminance levels (IRE).
12-step
100-108 Red
95-99 Orange
85-94 Yellow
79-84 Light Yellow
59-78 Light Grey
53-58 Pink
49-52 Medium Grey
43-48 Green
23-42 Dark Grey
13-22 Light Blue
3-12 Blue
0-2 White
4-step
101+ Red
99-100 Orange
3-98 N/A
0-2 Blue
Zebras
Zebra stripe exposure assist mode overlays diagonal stripes over areas that are in a defined luminance range (Zebra 1) or above a defined luminance threshold (Zebra 2). The range for Zebra 1 is 5%
above and below the IRE value of Setup Menu option [LCD Monitor - Zebra 1 Level]. The range for
Zebra 2 is everything above the IRE value of Setup Menu option [LCD Monitor - Zebra 2 Threshold].
The options for Zebra display (selectable from Setup Menu option [LCD Monitor - Exposure Assist])
are Zebra 1, Zebra 2, or both Zebra 1 and Zebra 2 simultaneously.
Video Monitoring Features
21
PIX 270i User Guide and Technical Information
Video Monitoring Features
Zebra 2
70 IRE (+/- 5%)
Zebra 1
85 IRE
Focus Assist
+
LCD
Focus Assist features mark sharp edges in the video image to assist in focusing on the desired subject. Focus assist is enabled pressing LCD + MENU. The word “FOCUS” is displayed in yellow text
on the OSD when Focus Assist is enabled. There are two available Focus Assist modes: Peaking and
Edge Enhance.
Peaking
Peaking finds sharp edges in a video (based on luminance) and replaces pixels in those areas to highlight the edges.
The Setup Menu option [LCD Monitor - Peaking Sensitivity] sets sensitivity level of the Peaking
filter. A setting of High will be more sensitive and highlight more edges.
The Setup Menu option [LCD Monitor - Peaking Background Contrast] is used to adjust the area of
the video image that is not highlighted while Peaking is enabled.
MENU
22
The color of the Peaking marks can be set with the Setup Menu option
[LCD Monitor - Peaking Color].
The following image comparison demonstrates the effect of Peaking on an image with a shallow
depth-of-field and a short focal length (top) and a longer focal length (bottom).
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
PIX 270i User Guide and Technical Information
Edge Enhance
The Edge Enhance filter uses an algorithm which enhances the variation of the luminance of all
edges present in the video image. The following image comparison demonstrates the effect of Edge
Enhance on an image with a shallow depth-of-field and a short focal length (top) and a longer focal
length (bottom).
Video Monitoring Features
23
PIX 270i User Guide and Technical Information
Zoom
+
AUDIO
Video Monitoring Features
LCD
The Zoom function enlarges the video image to a 1:1 pixel ratio. To toggle Zoom on and off, press
LCD + AUDIO. When Zoom is enabled, “ZOOM” is displayed on the OSD in yellow text and all
other OSD elements are hidden. When zoomed, turning the Control Knob moves vertically and Rewind and Fast Forward buttons move left and right, respectively.
Flip Display
Some mounting situations require the PIX 270i (or camera) to be upside-down. The
LCD output can be vertically inverted to facilitate upside-down operation with the
Setup Menu option [LCD Monitor - Verical Flip Display]. The Setup Menu option [LCD Monitor - Horizontal Flip Display] option reverses the LCD output signal hoizontally (mirror
image).
Vertical and Horizontal flipping affect the video image on the LCD screen only. Recorded content and
HDMI/SDI outputs are not affected.
24
v. 2.10 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
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