Dejero LIVE+ GoBox User manual

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LIVE+ GoBox
User Guide
January 2015
D-UG112-002
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Dejero Labs Inc.
412 Albert Street, Suite 100
Waterloo, Ontario, N2L 3V3
[phone]
Copyright, Trademarks, and Patents
Copyright © 2014 Dejero Labs Inc.
Dejero and Dejero LIVE+ are trademarks of Dejero Labs Inc. All other trademarks are the property of their
respective owners.
Dejero products or portions thereof are protected by patents granted and pending.
Symbols and Conventions
This document uses the following symbols and conventions:
Note: Shares important related information, reminders, recommendations, and
suggestions
Caution: Means that the action you take could cause harm to your
equipment/device, cause you to lose data, or void your warranty.
Warning: Describes an action that could cause you physical harm. Follow the
guidelines in this document or the device itself when handling electrical
equipment.
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Contents
Warranty and Liability ................................................................................................................... 4!
Safety Warnings and Hazards ...................................................................................................... 4!
The Dejero LIVE+ Platform........................................................................................................... 7!
About the Dejero LIVE+ GoBox .................................................................................................... 7!
What’s included ............................................................................................................................ 8!
LIVE+ Portal.................................................................................................................................. 8!
Powering the GoBox..................................................................................................................... 9!
Starting the GoBox ..................................................................................................................... 10!
Connection ports......................................................................................................................... 10!
Connect video............................................................................................................................. 11!
Connect Ethernet........................................................................................................................ 11!
Connect IFB................................................................................................................................ 12!
Specify camera input type .......................................................................................................... 12!
DC output.................................................................................................................................... 12!
USB ports ................................................................................................................................... 13!
Device Ready screen.................................................................................................................. 13!
Mode selection............................................................................................................................ 15!
Video window.............................................................................................................................. 15!
Start, stop, and configuration options ......................................................................................... 15!
Configuring the transmitter ......................................................................................................... 16!
Configuring the connection type ................................................................................................. 18!
Transmitting live.......................................................................................................................... 20!
Store & Forward.......................................................................................................................... 21!
File transfer................................................................................................................................. 25!
Remote Control........................................................................................................................... 27!
Auto Start.................................................................................................................................... 27!
Troubleshooting .......................................................................................................................... 28!
Error messages .......................................................................................................................... 30!
Technical specifications.............................................................................................................. 35!
Additional help ............................................................................................................................ 36!
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Warranty and Liability
Reasonable care has been taken in
preparing the information in this
document. However, this document
may contain omissions, technical
inaccuracies, or typographical errors.
Dejero Labs Inc. does not accept
responsibility of any kind for
customers’ losses due to the use of
this document. Product specifications
are subject to change without notice.!
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Due to the nature of wireless
communication, transmission and
reception of data can never be
guaranteed. While Dejero strives to
provide high-quality video
transmission without significant
delays, environmental and cellular
network conditions beyond Dejero’s
control may result in data delay,
corruption, or loss.
Dejero accepts no responsibility for and is not liable for any loss or damage, including, but not limited to,
revenue or personal injury, resulting from delays in, errors in, or failure to transmit or receive data using
the Dejero LIVE+ Platform.
Warranty on the Dejero LIVE+ GoBox is voided if the case is opened. For details, see Handling and
Operating Conditions below.
Safety Warnings and Hazards
Read this section in its entirety before operating the LIVE+ GoBox.
RF Exposure Notice
The LIVE+ GoBox wireless modems are subject to the same RF exposure compliance requirements and
FCC safety regulations as other radio modems that are approved for laptop use.
Explosive Atmosphere
The LIVE+ GoBox should be powered off in an area with a potentially explosive atmosphere; such as
fuelling areas, fuel or chemical transfer or storage areas, below deck on boats, or in areas where the air
contains chemicals or particles; such as grain, dust or metal powders. It is rare, but there is potential for
PC-like devices, such as the LIVE+ GoBox to generate sparks, which could trigger an explosion. Do not
store the LIVE+ GoBox in the compartment of a vehicle that contains flammable gas, liquid, or explosives.
Blasting or Construction Sites
The Dejero LIVE+ GoBox should be powered off in areas where blasting is in progress, where explosives
may be present, or near any other equipment that is susceptible to radio interference.
Hospitals
The Dejero LIVE+ GoBox should be powered off near medical equipment or life support systems, or near
any other equipment that is susceptible to radio interference. Hospitals or other medical facilities often

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ask visitors, patients, and staff to switch off all electronic devices in some areas. Please make sure that
you follow any local rules and regulations.
Aircraft
The Dejero LIVE+ GoBox should be powered off and not operated in any aircraft, whether in flight or on
the ground; systems onboard the aircraft could be affected by radio interference.
Driving
The driver or operator of any vehicle should not operate the Dejero LIVE+ GoBox while in control of a
vehicle. Doing so will detract from the driver or operator’s control and operation of that vehicle.
Personal Health and Safety
For personal health and safety, the mobile operator should maintain a minimum distance of 200 mm (8”)
from the LIVE+ GoBox while it is powered on.
Medical Implant Devices
It is possible that the radio modems in the LIVE+ GoBox may interfere with some types of medical
devices (such as cardiac pacemakers or implant defibrillators), when operated close to the device. You
should seek advice from your doctor before operating the LIVE+ GoBox. For personal health and safety,
persons concerned about exposure should maintain a minimum distance of 200 mm (8”) from the LIVE+
GoBox while it is powered on.
Hearing Devices
People with hearing aids or cochlear implants may experience interfering noises when using mobile
devices, or when one is nearby. The level of interference depends on the type of aid or implant, the type
of mobile device, and the distance between the two. Increasing the distance between the LIVE+ GoBox
and the hearing device may reduce interference.
Handling and Operating Conditions
Read this section in its entirety before operating the LIVE+ GoBox.
Handle Device with Care
While the LIVE+ GoBox case is durable, it is possible to damage or knock loose the electronics inside if
the device is dropped or thrown. Please handle with care. Damage sustained as the result of mishandling
the LIVE+ GoBox renders the warranty null and void.
Do Not Open the Case or Store Anything Inside
The LIVE+ GoBox case should remain sealed at all times to protect the sensitive electronics inside and
ensure the safety of the operator. Opening the case renders the warranty null and void.
Do Not Disassemble the Product
Only authorized Dejero personnel can open, modify, or repair the LIVE+ GoBox unit. Unless authorized
by Dejero personnel, any attempt by the user to open, disassemble, or repair the device renders the
warranty null and void.
Keep Air Vents Clear

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If the air vents are blocked, the LIVE+ GoBox may overheat and shut down. These vents are located on
either end of the device. (The intake is protected by the flat metal panel on the left side.) Please keep
these areas clear and unobstructed to ensure adequate airflow.
Keep Device as Cool as Possible
For optimal performance, keep the LIVE+ GoBox in well-ventilated areas, away from heat sources and
direct exposure to sunlight. Do not operate the GoBox in temperatures outside of the ambient range (-10°
C to +50° C / 14° F to 122° F).
Keep Device Dry
The LIVE+ GoBox case is designed to be weather-resistant, but not weatherproof. Keep it covered during
inclement conditions. Do not expose to liquid, moisture, or excessive humidity.
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The Dejero LIVE+ Platform
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The Dejero LIVE+ Platform of hardware, software, and cloud-based services help you capture,
transmit, manage, and distribute high-quality live video from virtually anywhere.
The Dejero LIVE+ GoBox is used to capture and transmit video as part of the complete solution.
About the Dejero LIVE+ GoBox
The LIVE+ GoBox is the most rugged mobile transmitter designed for newsgathering
professionals and video content contributors on the go. You can broadcast live from virtually
anywhere with bonded cellular, Wi-Fi and portable satellite connections, or record up to 40
hours of HD video for later broadcast.
Dependable and robust
The GoBox is the most ruggedized; professional-grade mobile transmitter is designed for
demanding use in the field.
Outstanding performance
The GoBox reliably delivers exceptional picture quality with low latency even when bandwidth is
extremely limited.
Easy to use
One-button start up, automatic input and format detection, and an intuitive interface with
touchpad buttons next to a large screen simplifies use. Built-in intelligence continuously adapts
to network conditions to deliver the best video quality so you can focus on the shot.

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Designed for flexibility
You can connect any SDI or HDMI camera to the GoBox. The GoBox’s flexibility means you can
set it on the ground, wear it on your back, place it away from the camera for optimal antenna
performance or broadcast from a moving vehicle.
Manage centrally or in the field
You can locate, monitor, and manage the GoBox remotely from any web browser using the
LIVE+ Portal. You can send live or recorded video to the broadcast center for playout or to the
cloud for online distribution.
What’s included
The LIVE+ GoBox includes the following items:
•LIVE+ GoBox mobile transmitter with either Gold Mount or V-Mount battery plates
•AC power adapter with 4-pin XLR connector
•AC power cord
•Vehicle DC power adapter with 4-pin XLR connector
•PortaBrace shoulder strap with carabiners
•Quick Start Guide
LIVE+ Portal
The LIVE+ GoBox works with the Dejero LIVE+ Portal in the following ways:
•Assign live and recorded video, as well as file transfers from the GoBox to a LIVE+
server

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•Geolocate the GoBox mobile transmitter
•Preview and route feeds from the GoBox
•Remotely control and configure the GoBox
•Review analytics about the GoBox performance
Powering the GoBox
You can use the following methods to power your GoBox:
•Gold Mount or V-Mount hot-swappable batteries
•Supplied AC power adapter with 4-pin XLR connector
Two fully charged 95Wh batteries provide approximately two hours of power. Dejero
recommends a minimum of two 85Wh batteries.
Caution: Dejero’s vehicle DC adapter uses a 15-amp fuse. When replacing the fuse
in this adapter, you must use a fuse that is the same type and rating as the original
fuse. For more information, contact Dejero Support.
Install the batteries
1. Slide each battery onto the battery mounting plates on the back of the transmitter.
When properly inserted, the battery clicks into place and is seated securely on the plate.
Recommended battery requirements
•Nominal voltage of 14.4V (operating voltage of 12.5V to 16V)
•Minimum discharge current of 10A
Remove the batteries
1. Power off the GoBox.
2. Press the release mechanism on the battery mounting plate.
3. Slide the battery off the mounting plate.
Note: You can replace hot swap batteries without interrupting the GoBox operation.
The GoBox will operate on a single battery, if required, of 85Wh or more, Dejero
recommends using two batteries at all times.

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Starting the GoBox
1. Press the power button on the right side of the GoBox
case.
While the transmitter powers on and establishes a network
connection, start-up messages appear on the Device Ready
screen. For more information about the Device Ready
screen, see page 13.
Connection ports
The connection ports are located on the top and side of the GoBox case.

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For a complete list of supported audio and video inputs, see page 35.
Note: A 4-prong powered XLR DC IN port is located on the side of the GoBox
device (near the exhaust vents).
Connect video
Note: The GoBox supports HDMI and SDI video.
1. Plug the camera’s output cable into the video input port on the GoBox.
2. Make sure that all cables are firmly connected.
The GoBox selects the correct video input automatically. If you do not see video in the Preview
screen, make sure that the cables are connected properly and that you are using a supported
video format.
If you are using a supported video format, the format of the incoming video is detected
automatically, so you do not need to set this manually.
Connect Ethernet
Using an optional Ethernet connection, you can choose to transmit using Ethernet only or
broadcast over Ethernet and cellular networks simultaneously.

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1. On the Device Ready screen, press the Configuration touchpad button.
2. At the Configuration screen, press the Operation touchpad button.
3. At the Operation Mode screen, press the Connection touchpad button to scroll through
the options: All, Ethernet, Modems.
The Ethernet connection sends data using the UDP protocol on ports 6000 and 6001. Make
sure that these ports have unrestricted access to the Internet.
The Ethernet port is configured via DHCP.
Note: For more information, see Configuring the transmitter on page 16.
Connect IFB
Note: Connecting IFB is optional.
Interruptible Foldback (IFB) acts as a one-way communication from the LIVE+ Broadcast Server
to the GoBox. It enables communication and cueing from the studio crew to the reporter in the
field. The station sends a program feed to the reporter’s earpiece, which is connected to the
GoBox. The IFB output from the GoBox is a balanced 3-pin XLR at a +4 dBV level.
For more information on the LIVE+ Broadcast Server, refer to the LIVE+ Broadcast Server User
Guide.
1. Connect your audio device (earpiece, headset, or IFB amplifier input) to the 3-pin XLR
IFB connector on the GoBox.
As soon as a live stream starts, IFB is on an IFB Active appears on the GoBox. For more
information about starting a stream, see page 20.
As the GoBox receives voice packets from the server, the sound level varies. The Jitter Delay
value should be less than 500ms during normal operation, but it might be higher if the modems
have poor wireless coverage.
Specify camera input type
After the camera is connected and a video preview appears on the GoBox, use the
Configuration screen to verify your settings. On this screen, you can check your audio, video
and video format type, connection type, and latency settings.
For more information about the configuration settings, see page 16.
DC output
You can use the DC output of the GoBox to power a Dejero LIVE+ Booster or other supported
devices (such as a long-range Wi-Fi radio). If you use the DC output, you need a specialized
cable. You might also require a power-over-Ethernet (PoE) adaptor. For more information about
using the DC output, contact Dejero Support.
The DC output is rated at 12 volts and 1.5 amps continuous. It is fully protected against
overload current.

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USB ports
The GoBox has two user accessible USB ports. You can use these ports for connecting USB
memory sticks (for file transfers), for connecting support peripherals (such as a keyboard or
mouse), or for connecting other supported devices.
Device Ready screen
When the LIVE+ GoBox is on, the Device Ready screen appears.
Various messages, including status of the transmitter and error messages, appear on this
screen.
When you power on the GoBox, it performs a diagnostic test and Device Ready appears when
the transmitter is ready to use.
Note: The LIVE+ Portal administrator must activate the transmitter before it can be
used. If your administrator has not activated the transmitter, an Inactive Device
Error appears.
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For a list of possible error messages, see page 30.
Individual Connection meters
The GoBox communicates data through modems or an
Ethernet connection. Individual connection meters show the
active data transmission rate. The transmission rate appears
in increments of 500 Kb/s.
A dot at the bottom of each meter indicates the status of the
connection:
•a green dot indicates a successful network
connection
•a grey dot indicates that the cell carrier signal is out

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of range, or is not responding to connection requests
•a pulsing grey icon indicates that transmitter is
initializing a connection
When you start a live stream on the transmitter, each modem connection displays the network
type (HSPA, LTE, UMTS, etc.). A received signal strength indicator (RSSI) value also appears
to show approximate strength of the connection.
Note: After you press Play for a live broadcast, cellular coverage appears
(indicated by a green dot).
Combined Transmission meter
The Combined Transmission meter shows the total data transmitted by all
connections, in increments of 500 Kb/s.
The blue bar indicates the total data transmitted by all connections. The blue arrow
is the current target rate for encoding the data and indicates the Encoder Bit Rate.
It corresponds to the number located under the server status bar.
Network and Server Indicators
Glass-to-Glass latency
Latency measures time delay. The delay represents the glass-to-
glass latency of the transmission, calculated in real-time. Glass-to-
glass refers to the total amount of delay from the camera lens to the
video output from the SDI port of LIVE+ Broadcast Server in the
studio.
Stream Health indicator
The Stream Health indicator measures the quality of the live video stream received, decoded,
and displayed by the output server.
The two components that have the strongest effect on the health of the stream are:
•The number of video frames that arrive at the server in time. Frames that are late or
missing can result in paused or stuttering video, or video artifacts such as smearing or
discoloration.
•The bitrate at which the video frames are encoded. Excessively low bitrates result in
poor quality picture, indicated by blockiness and lack of detail.
When neither of these events occurs, the Stream Health indicator displays as 100%.
Lost or late video frames drop the indicator value very quickly and it displays as 0% in a very
short period of time. If there are no lost or late frames for 5 seconds, the indicator returns to
100%.
If the encoder bitrate is consistently low, the indicator displays a value between 0% and 100%.
The number under the server percentage shows what the encoder is running at. It corresponds
to the blue transmission meter.

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Transport Resolution
For best picture quality, even in challenging network conditions, the GoBox adjusts the transport
resolution automatically. The transport resolution is at the bottom of the screen, along with the
input resolution and the output resolution.
•Input: video resolution from the attached camera
•Transport: resolution of the video transmitting to the server
•Output: resolution as configured for the server’s output
Mode selection
In the center of the Device Ready screen, on the right side is the Mode button. You can use this
option to switch quickly between Live, Live and Store & Forward, and Store & Forward.
Video window
In the Video window, you can see the live camera feed broadcast by the GoBox.
When the transmitter is broadcasting, an ON AIR message appears in the upper-right corner of
the Video window. The destination also appears.
At the bottom of the Video window, sound meters appear. The top bar corresponds to the right
input channel and the bottom bar corresponds to the left input channel.
If you do not see a video on the Video window, perform the following actions:
•make sure that all cables are correctly connected
•verify that your video source is on and sending video
•make sure that you selected the correct input (HDMI or SDI)
•verify that the supplied video is in a compatible format
Note: Your administrator can change the server output destination using the LIVE+
Portal.
Start, stop, and configuration options
To start broadcasting live from the transmitter, press the touchpad button
beside the Play icon.
To stop broadcasting video from the transmitter, press the touchpad button
beside the Stop icon.
To open the Configuration screen, press the Configuration touchpad button.
Use this screen to configure camera, sound type, and latency options. For
more information about configuring the transmitter, see page 16.

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To open the File Transfer screen, press the File Transfer touchpad button.
For more information about file transfers, see page 25.
To open the Store & Forward screen, press the Store & Forward touchpad
button.For more information, see page 21.
To return to the previous screen, press the Exit touchpad button beside the
green dot icon.
Configuring the transmitter
Use the Configuration screen to specify transmitter settings. Use the touchpad buttons to
change settings as required.
Set the video input
1. On the Device Ready screen, press the Configuration touchpad button.
2. On the Configuration screen, press the Input touchpad button.
3. Set the video input to SDI or HDMI.
4. Set the video standard to NTSC, PAL, or FILM (1080p, 23.98 fps).
Note: When you select either NTSC or PAL, make sure that the video standard
from the camera matches your selection on the GoBox.

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Configure the latency
Latency is the time it takes for the video to arrive at the server.
1. On the Device Ready screen, press the Configuration touchpad button
2. On the Configuration screen, press the Live touchpad button.
3. Set the Latency to Preset, Short, Medium, or Long.
•Preset: The default latency is preset by your administrator in the LIVE+ Portal.
preset. The preset latency can be a value between 0.8 to 20 seconds.
•Short: A 1.5 second latency
•Medium: A 3 second latency
•Long: An 8 second latency
Note: In an area of poor coverage, or very high cellular network traffic, you might
achieve better video transmission results with a medium or long latency.
Latency modes
Fixed Latency mode: In Fixed Latency mode, the system attempts to give the glass-to-glass
latency requested (either short, medium, long, or preset). If the current network conditions
cannot support the requested latency, ERROR 17 appears on the transmitter.
Adaptive Latency mode: In Adaptive Latency mode, the system measures the network
conditions during the stream and gradually adjusts the requested latency upwards to a value
that is supported by the current conditions.
Up-to Latency mode: In Up-to Latency mode, the system measures the network conditions
during the beginning of the stream and provides the shortest possible latency available. If the
conditions worsen during the stream, the transmitter gradually increases the latency up to the
maximum latency that you set. When the transmitter reaches the maximum latency, the latency
remains fixed at the specified value.
Configure the Live Resolution setting
Live resolution is the resolution of the video, as transmitted over-the-air when broadcasting. It is
independent of the transmitter input and server output resolutions.
1. On the Device Ready screen, press the Configuration touchpad button
2. On the Configuration screen, press the Live touchpad button.
3. Set the Live Resolution to Auto: SD, Auto: SD+, Auto: HD, Auto: HD+, or Manual.
The transmitter monitors the available bandwidth and adjusts the transport resolution
automatically to give you the best possible video quality under the current network conditions.
The server output resolution does not change, so the video routed to your internal systems
remains constant.
Each Auto option has a different maximum bandwidth cap, appropriate for the base video
resolution that you send.

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Live Resolution
Ethernet Type
Maximum Connection Bitrate
Auto: SD
Normal
2.5 Mb/s
Auto: SD+
Normal
5.0 Mb/s
Auto: HD
Normal
5.0 Mb/s
Auto: HD+
Normal
10.0 Mb/s
Auto: SD
Satellite
3.1 Mb/s
Auto: SD+
Satellite
6.2 Mb/s
Auto: HD
Satellite
6.2 Mb/s
Auto: HD+
Satellite
12.5 Mb/s
If you choose Manual, you set the maximum connection bitrate yourself. This setting can be
useful if you want to control your data usage or if you are broadcasting from an area with poor
coverage and want to cap the bandwidth at a low rate.
Audio-only Mode
In areas of poor coverage, when the transmitter’s available bandwidth falls below 100 Kb/s, the
transmitter automatically sends only audio to the server and the last good frame of the video
remains on the screen. When the bandwidth increases and remains at 200 Kb/s or better, the
transmitter resumes sending video.
Note: If you set a maximum connection bitrate less than 400 Kb/s manually, the
transmitter does not switch to audio-only mode.
Configuring the connection type
You can set the type of connection to use for transmitting your data.
1. On the Device Ready screen, press the Configuration touchpad button
2. On the Configuration screen, press the Operation touchpad button.
3. Set the Connection mode to All, Ethernet, or Modem.
•All: The transmitter sends data through all available connections, including cellular,
Ethernet and Wi-Fi. If an Ethernet cable is not connected, the transmitter sends data
over cellular networks only. If there is no cellular network coverage, but an Ethernet
cable is connected to the transmitter, data is sent over Ethernet only. If there is
cellular network coverage and an Ethernet cable is also connected, the transmitter
uses both connection types simultaneously.

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•Ethernet: The transmitter sends data over Ethernet and Wi-Fi. An Ethernet cable
must be connected to the transmitter. If you select this option but have not connected
an Ethernet cable, Error 16 appears on the transmitter.
•Modems: The transmitter sends data only over the modem connections. Use this
when you are connected to a poor Wi-Fi or Ethernet connection that has high usage
and yields little bandwidth.
Set the Operation mode
1. On the Device Ready screen, press the Configuration touchpad button.
2. Press the Operation touchscreen button.
3. On the Operation Mode screen, press the Mode touchpad button to Live, Live and
S&F, or S&F Only.
•Live: use for live broadcast to the assigned server output.
•Live and S&F: use for live broadcasting while simultaneously recording a Store &
Forward clip.
•S&F Only: use to record a Store & Forward clip.
Set the Ethernet connection type
1. On the Device Ready screen, press the Configuration touchpad button.
2. Press the Operation touchscreen button.
3. On the Operation Mode screen, press the Ethernet Type touchpad button to set the
type of connection attached to the wired Ethernet port on the transmitter.
•Normal: Uses a regular Ethernet line, such as a cable DSL connection, a hotel
Internet link, or a corporate office Ethernet port.
•Satellite: Uses a high-bandwidth, highly reliable link, but with high latency. This
connection is typical of a portable satellite connection. In Satellite mode, the
transmitter takes advantage of the high bandwidth available on satellite to transmit a
higher quality picture, and uses any other available connections (cellular or Wi-Fi) to
supplement the satellite connection.
Configure the Wi-Fi connection
1. On the Device Ready screen, press the Configuration touchpad button.
2. Press the Operation touchscreen button.
3. On the Operation Mode screen, press the WI-FI touchpad button.
4. Perform one of the following actions:
•To select a specific SSID, press the Up or Down touchpad button. Press the Select
touchpad button.
•To refresh the list of available networks, press the Rescan touchpad button.
•To connect or disconnect from the selected network, press the Connect touchpad
button.

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•To delete a saved profile from the network, press the Forget button.
Type a Wi-Fi password
When connecting to a Wi-Fi network for the first time, you need to provide the Wi-Fi password.
The GoBox saves the network password and reconnects to the network automatically when it
becomes available. If the network does not have a saved profile, you are prompted to type the
Wi-Fi password.
1. Use the arrow buttons to navigate the keyboard on the screen to type the password.
2. Press the Select touchpad button after each character.
3. When you finish entering the password, press the Apply touchpad button.
Transmitting live
Connect to cellular networks automatically
When the transmitter is on, it automatically detects all available cellular
connections.
When the GoBox connects successfully, each of the individual card transmission
meters show the network name and the signal strength. Each modem connection
shows the network type (such as HSPA, LTE, UMTS). A received signal strength
indicator (RSSI) value also appears to show approximate strength of the
connection. After you press Play for a live broadcast, the grey dot changes to
green.
Start a transmission
After you connect your camera to the transmitter, you can start a transmission.
1. Verify that the Device Ready message appears on the Display Ready screen.
2. Press the Play touchpad button.
You can monitor the video feed as it is transmitted. ON AIR appears on the Preview screen
when you are operating in LIVE mode.
Note: If the Preview screen is black, check that your camera is on and connected.
Verify that you are sending supported video format to the GoBox.
Stop a transmission
1. To stop a transmission, on the Device Ready screen, press the Stop touchpad button.
The Preview screen continues to show the input from the camera, but Preview appears in the
upper right corner of the window. The device remains ready to resume broadcasting. Press the
Play touchpad button to resume the transmission.