Kramer KRT-4-USBC Manuale utente
Kramer Electronics Ltd.
KRT-4 –Contents
i
Contents
Introduction 1
Getting Started 1
Overview 2
Typical Applications 2
Defining the KRT-4 Cable Retractor 3
KRT-4-3H2 Features 4
Installing KRT-4 5
Attaching KRT-4 to the Underside of a Table 5
Attaching KRT-4 to a TBUS 6
Connecting to the KRT-4 11
Technical Specifications 12
KRT-4-3H2 Extender Additional Specifications 12
KRT-4 Outline Dimensions with TBUS 13
Kramer Electronics Ltd.
KRT-4 –Introduction
1
Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world
of unique, creative, and affordable solutions to the vast range of problems that confront the
video, audio, presentation, and broadcasting professional on a daily basis. In recent years, we
have redesigned and upgraded most of our line, making the best even better!
Getting Started
We recommend that you:
•Unpack the equipment carefully and save the original box and packaging materials for
possible future shipment.
•Review the contents of this user manual.
Go to www.kramerav.com/downloads/KRT-4 to check for up-to-date user manuals, application
programs, and to check if firmware upgrades are available (where appropriate).
Achieving the Best Performance
•Use only good quality connection cables (we recommend Kramer high-performance,
high-resolution cables) to avoid interference, deterioration in signal quality due to poor
matching, and elevated noise levels (often associated with low quality cables).
•Do not secure the cables in tight bundles or roll the slack into tight coils.
•Avoid interference from neighboring electrical appliances that may adversely influence
signal quality.
•Position your Kramer KRT-4 away from moisture, excessive sunlight and dust.
Safety Instructions
Caution:
•This equipment is to be used only inside a building. It may only be connected to other
equipment that is installed inside a building.
•There are no operator serviceable parts inside the unit.
Recycling Kramer Products
The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce
the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected
and recycled. To comply with the WEEE Directive, Kramer Electronics has made
arrangements with the European Advanced Recycling Network (EARN) and will cover any
costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on
arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular
country go to our recycling pages at www.kramerav.com/support/recycling.
Kramer Electronics Ltd.
KRT-4 –Introduction
2
Overview
KRT-4 is a cable retractor, with a gentle retraction mechanism, that is designed for installing
in a meeting room, classroom or other AV site. You can furniture-mount KRT-4 or install one
or more KRT-4 units in conjunction with a Kramer TBUS unit, such as TBUS-1AXL,
TBUS-10XL, UTBUS-1XL, UTBUS-2XL and more. KRT-4 extends a variety of common AV
connector types and is easy to install and use.
KRT-4 provides user-friendly installation and operation:
•Convenient and easy to install in any TBUS.
•Intuitive Use –Pull and stop or pull and retract.
•Cable slowly retracts for safe use.
•Available Cable Types:
▪HDMI™.
▪VGA.
▪Audio (3.5mm).
▪LAN.
▪USB-3.0.
▪DisplayPort.
▪HDMI extender (KRT-4-3H2, see KRT-4-3H2 Features on page 4).
Refer to www.kramerav.com/product/KRT-4 for the updated configuration list.
•Maximum Cable Extension –Up to 1.8m (6ft).
•Horizontal Mount –Easily mounts, independently, under a table or shelf.
•TBUS Compatibility –Retractable cable mounts directly into the TBUS insert opening via
a cable pass-through opening.
•Installation –KRT-4 is sturdy, cost-effective, and easy to install.
The HDMI cable version is used throughout this manual as an example. The same applies to
retractors with other cable types.
Typical Applications
The KRT-4 is ideal for:
•Boardrooms and conference rooms.
•Training rooms.
•Hotel lobbies.
•Cafes and restaurants.
Kramer Electronics Ltd.
KRT-4 –Defining the KRT-4 Cable Retractor
3
Defining the KRT-4 Cable
Retractor
This section defines the KRT-4.
Figure 1: Defining the KRT-4 Cable Retractor
#
Feature
Function
Retractor Enclosure
Contains the retractable cable mechanism.
Female Connector
Connect to a male connector under a table.
Fixed Cable End
Short connector cable.
Screw Openings for Mounting Under the
Table (3)
Use to attach the KRT-4 directly under a table.
Wing-Head Thumb Screw
Use to turn and lock KRT-4 to the TBUS enclosure.
TBUS Installation Slot
Insert TBUS body into the slot to attach KRT-4 to a
TBUS.
Mobile Retractor Cable
Pull to connect to a connector above a table.
Retractor-Side Connector
Connect to a male connector.
Kramer Electronics Ltd.
KRT-4 –Defining the KRT-4 Cable Retractor
4
KRT-4-3H2 Features
The KRT-4-3H2 retractor side is a 4K HDR equalizer and line driver for HDMI and HDCP 2.2
signals that extends the range when using long HDMI cables.
Figure 2:KRT-4-3H2 –Extender Side
KRT-4-3H2 features:
•A range of 10m to input, 10m from output, total 20m (65ft) at 4K@60Hz (4:4:4); 25m to
input, 15m from output, total 40m (130ft) at 4K@60Hz (4:2:0); 30m to input, 15m from
output, total 45m (150ft) at 1080p60.
•HDTV compatibility.
•HDCP 2.2 support.
•HDMI Support –HDR10, ARC, CEC, deep color, x.v.Color™, Lip Sync, 7.1 PCM, Dolby
TrueHD, Dolby atmos DTS–HD, 2K, 4K, and 3D Dolby Vision as specified in HDMI 2.0.
•Optional external power supply via micro USB port (micro USB cable not included).
In some installations, external power may improve the overall KRT-3H2 performance.
Kramer Electronics Ltd.
KRT-4 –Installing KRT-4
5
Installing KRT-4
KRT-4 can be installed in the following ways:
•Attaching KRT-4 to the Underside of a Table, on page 5.
•Attaching KRT-4 to a TBUS, on page 6.
Attaching KRT-4 to the Underside of a Table
You can mount KRT-4 to the underside surface of a table and use it as a standalone device.
To attach KRT-4 under a table:
1. Place KRT-4 under the table in the desired location.
Make sure that the retracting cable faces the edge of the table.
2. Pass the 3 M4x50 Philips screws through the table screw openings and tighten them
to fix the retractor under the table.
Figure 3: Attaching KRT-4 to a Table
Kramer Electronics Ltd.
KRT-4 –Installing KRT-4
6
Attaching KRT-4 to a TBUS
You can attach one or more KRT-4 units to the enclosure of any modular Kramer TBUS with
pass-through inserts that are installed inside a table. The KRT-4 units can usually be attached
to the front and rear sides of the enclosure, as the left and right sides are fitted with clamps.
Alternatively, the clamps can be installed on the front and rear sides to enable attaching
KRT-4 to the left and right sides of the TBUS enclosure.
For TBUS models with a sliding lid (for example, TBUS-10xl), you can only use the front side
of the enclosure to mount the KRT-4 units.
Attaching a Single KRT-4 Unit
To Attach the KRT-4 to a TBUS unit:
1. Slide the KRT-4 onto one of the sides of the TBUS enclosure. Make sure to position the
fixed cable downwards and the retractor cable upwards.
Figure 4: Sliding KRT-4 onto the TBUS Enclosure
Kramer Electronics Ltd.
KRT-4 –Installing KRT-4
7
2. Use the wing-head thumb screw to fix the KRT-4 firmly in place.
Figure 5: Tightening KRT-4 to the TBUS Enclosure
3. Attach the WCP-(KRT) insert in the following way:
a. Insert the cable through the bushing opening.
b. Insert the cable with bushing through the insert opening.
c. Push the bushing into the insert opening.
a.
b.
c.
d. Use the two M3x5 screws to attach the insert to the TBUS opening.
Kramer Electronics Ltd.
KRT-4 –Installing KRT-4
8
The KRT-4 is now firmly fixed in place.
Figure 6: KRT-4 Attached to TBUS –Under Table
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