Electro-mech LX2160 User manual

Model LX2160
Owner's Manual
Indoor Basketball Shot Clock Set
The purpose of this manual is to explain how to install and maintain the Electro-Mech
Model LX2160 Indoor Basketball Shot Clock set. Operation of this scoreboard system
is covered in the manual that ships with the main basketball scoreboard control console.
Model LX2160 is shipped as a set of two displays. The standard package includes a
wired handheld switch assembly which is intended to plug into the control console used
with the main basketball scoreboard. Because Shot Time is linked to Period Time in
basketball, the shot clock system must be used along with a basketball scoreboard
showing Period Time in order to work properly.Electro-Mech LX-series basketball
scoreboards are operated by control consoles that are compatible with this shot clock
set.
Original Filename: LX2160_Owner
Document Version: 1.6
Document Date: July 29, 2019

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TABLE OF CONTENTS
Best Practices for Personal Safety and Product Care..................................................... 3
Product Specifications..................................................................................................... 5
Planning Your Scoreboard Installation ............................................................................ 8
Electrical Installation...................................................................................................... 10
Mechanical Installation.................................................................................................. 17
Testing, Operation, and Ongoing Care.......................................................................... 19
Maintenance.................................................................................................................. 20
Limited Warranty Statement.......................................................................................... 26

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BEST PRACTICES FOR PERSONAL SAFETY AND PRODUCT CARE
Thank you for choosing Electro-Mech products for your athletic facility. We hope you
will be pleased with the performance and appearance of your shot clocks. The
information in this document will help you maintain the equipment in its best condition.
Receiving Your Shot Clock Set
Depending on the shipping method, cardboard sheets, partially open wooden crates, or
a set of complete enclosures may protect the shot clock cabinets. It is important to
inspect all packaging for damage when the cabinets arrive ─before signing any
paperwork telling the trucking company that you have received everything in good
condition. If damage has occurred to the packaging, then damage may have occurred
to the shot clocks. Where you find dents, scrapes, or holes in the packaging, peel back
the cardboard or other packing materials to expose the cabinet. Make notes on the
paperwork provided by the trucking company before accepting delivery. If the damage
appears to be severe, refuse the shipment. Contact Electro-Mech as soon as possible
if you suspect shipping damage.
We recommend keeping the shot clock cabinets in their packing materials until the day
of installation. It is important to keep the packing materials dry. Wet cardboard can
adhere to surfaces and damage the finish.
If your shot clock cabinets arrives in wooden crates, take care to avoid scraping the
cabinets with tools, nails, or lumber when prying apart the nailed sections. Make certain
to pry the wooden pieces apart from each other rather than trying to apply force against
a scoreboard cabinet. Aluminum is strong, but a steel crowbar is stronger.
Once the crate is out of the way, remove the cardboard padding. You may need to
remove a few labels adhered to the sides of the cabinets for shipping. At this point,
your shot clock cabinets are unpacked and ready for installation.

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Storage Prior to Installation
Unless you are planning to install your shot clocks on the same day that they arrive, you
will need to prepare a clean, dry, secure area for storage. Even though your shot clock
displays are designed ruggedly, you will need to keep them away from moisture, dirt,
accidental damage, and abuse.
Stand the shot clock cabinets upright prior to assembly; never lay them facing up or
down. Never stack things on top of the cabinets while they are in storage.
These recommendations apply equally to ID panels and other items that may have
shipped with your shot clock displays.
Conditions of Installation and Use for Indoor Shot Clock Sets
These shot clock displays are designed for installation and use in a dry environment.
Do not attempt to install or operate shot clocks outdoors or in a wet location.
Indoor shot clock displays are typically attached to the support structure behind
basketball goals. The cabinets include multiple mounting points, which offer several
mounting options. Whatever method you choose for hanging the displays, it is
important to make sure the structure can support the added weight. Vibration is also a
factor in selecting mounting techniques for shot clocks mounted on basketball
backboards.
Each shot clock display includes an attached AC power cord fitted for a standard 120
VAC electrical outlet. When the displays are not in use, you should disconnect them
from power. For this reason, we recommend installing a dedicated disconnect switch
within sight of each shot clock display. In the "off" position, the switch should isolate all
load-carrying conductors (not the ground). This will help protect the shot clock
electronics from nearby lightning strikes and other power fluctuations that might
otherwise travel along the power cables.

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PRODUCT SPECIFICATIONS
General Description:
•Model LX2160 is a set of two electronic scoreboard displays designed for
permanent indoor installation and intended primarily to serve as shot clocks for
basketball.
Standard Package Includes:
•Two scoreboard cabinets
•One wired 3-button handheld shot clock switch assembly
•Two stereo patch cables
•Two junction boxes (when configured to use hardwired data cable)
•Two stereo plugs
Cabinet Dimensions and Weight:
•24 in (W) x 27 in (H) x 6 in (D), 20 lb each
Cabinet Construction and Finish:
•Each cabinet includes a self-supporting frame constructed from extruded
aluminum channel and formed aluminum pieces. The face and back sections are
made from aluminum sheet material. The face is finished with matte black
enamel paint. All other cabinet surfaces are mill finish. Accent striping and other
decorative elements are cut from interior grade vinyl.
Overview of LED Display Circuit Boards:
•Red LEDs (light emitting diodes) mounted on PCBs (printed circuit boards) form
all lighted digits and indicators. The PCBs are mounted behind an aluminum
face, which is painted matte black to increase contrast. The epoxy shells of the
LEDs protrude past the scoreboard face, maximizing viewing angle while
providing impact-absorbing protection from contact with stray balls and other
flying objects. The LEDs may be dimmed to reduce glare under changing
lighting conditions. They are rated for 100,000 hours of use.

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Display Features:
•2-Digit Shot Clock, Red, 12 inches tall, counts down seconds from 99 or less to 0
•One bullet-style Visual Horn Indicator, 4-inch diameter, illuminates in conjunction
with Horn on the main basketball scoreboard
Additional Standard Scoreboard Features (in each cabinet):
•All serviceable components accessible from the front of the cabinet
•Internally mounted Horn
•Built-in AC power cable, 6 feet long
•Data output port for daisy-chaining additional displays
•Low voltage power port for backboard mounted visual horn indicator kit
•Side and rear mounting points
Control Console:
•Because Shot Clock time is meaningless without being tied to the Period Clock
time shown on the main basketball scoreboard, the standard LX2160 package
does not include its own control console. An Electro-Mech MP basketball
console, of the type shipped with our LX-series basketball scoreboards, is
required for operation of Model LX2160.
Optional Equipment and Features:
•Data cable for hard-wired installations (two runs required)
•ScoreLink RF communications system for wireless data transmission (two
receiver units required)
•Hard carrying case for control console and accessories
•Wireless handheld shot clock switch assembly for courtside operation
•Backboard-mounted LED light bar kits to serve as visual Horn indicators
Power Requirements:
•Each LX2160 shot clock display requires one circuit providing 0.3 amps, 120
VAC, 60 Hz.
•Power enters each shot clock cabinet via an attached 6-foot long cord designed
to plug into a standard (NEMA 5-15R) power receptacle.
•Electro-Mech recommends installing a dedicated breaker to control power to
each shot clock display.

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Mounting Requirements:
•In its standard configuration, this set of displays is designed for indoor use and
may be mounted on walls, basketball backboard structures, or any permanent or
portable structures capable of holding them.
•Each cabinet includes mounting points on the back side, allowing a shot clock
display to be mounted on a vertical support. The rear hardware is tapped for 1/2-
inch-13 bolts.
•The cabinets include mounting points along each side, allowing a shot clock
display to be supported by brackets bolted to the sides. The side hardware is
tapped for 3/8-inch-16 bolts.
Safety Listing, Support, and Warranty Information:
•All LX-series scoreboard displays are ETL Listed to UL Standard 48 for Electric
Signs.
•Electro-Mech offers technical support at no charge over the phone or via the
Internet for the life of the product.
•The standard limited warranty covers factory labor on parts returned to Electro-
Mech within five years of the scoreboard's date of invoice.
•Additional support plans are available.
•The complete standard warranty statement is included near the end of this
document available.

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PLANNING YOUR SCOREBOARD INSTALLATION
A good plan is important to the success of any project, and installing shot clocks is no
exception. An important first step in planning for your shot clocks is determining the
optimal location. Key factors here are visibility and accessibility.
By "accessibility" we mean the ease with which you can get people, equipment, cabling,
etc. to the shot clock displays during installation, as well as ease-of-access for future
service. If you position the clocks so that using a lift or ladder to reach them is
impractical, you will almost certainly add cost to the installation and to service calls.
By "visibility" we mean the ease with which spectators, participants, and the operator of
the shot clocks can see the displays. Most shot clock displays are mounted on the
structure supporting the basketball goals, although it is also common to mount them on
walls or other structures. Because every sports facility is unique, there is no one-size-
fits-all way to describe the perfect shot clock location. We can tell you that the vertical
placement of the displays should be high enough to give spectators a clear line of sight
over the heads of players but low enough to allow fans to glance up from the game and
check the time without straining their necks. For safety, you will want to keep the
bottom of the cabinets at least eight feet above the floor (to prevent people from
smacking their heads against them).
For some indoor facilities, it is important to make sure people cannot – accidentally or
intentionally – interfere with the shot clock displays or cables connected to them. For
example, indoor shot clock cabinets are sometimes mounted along the front facade of
balcony seating. This can make it tempting for fans to reach over the balcony and touch
the display, snag a cable, drop a soda on it, or otherwise make a nuisance of
themselves. One solution would be to install a shield above any display in this position.
If you are planning for the construction or renovation of a new facility, then you will likely
have more options for locating your shot clock displays. In addition, you may be able to
choose helpful positions for electrical outlets, plan for conduits, and control other details
that will make installation, operation, and service easier. Your scoreboard sales rep
should be able to answer questions and offer advice that will help you with these plans.
If you are adding this shot clock set to an existing facility, your options may be more
limited. In some cases, we can modify the shot clock cabinets to meet special needs.
An example of this would be accommodating power entry through the back of the
cabinet rather than via the standard power cable on top. These sorts of details must be
worked out prior to the release of a scoreboard order. Your sales rep can guide you
through the process.
The sections that follow in this document primarily discuss the details of the mechanical
and electrical installation of a single set of shot clocks. If your project includes multiple
clocks, scoreboards, or other electronic displays, please check with your scoreboard
sales rep to make sure you have any project-level documentation you may need.

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Before You Spend Your Time and Money...
Please keep in mind that the dimensions and other details referenced throughout this
document are specific to the standard configuration of this particular shot clock model.
Before purchasing materials, running cabling, etc. you should verify with the factory that
you have the right documentation for your unique project.
It is possible that a government agency, such as your local city council, will require a
building permit or other documentation and approval forms related to the installation and
operation of your shot clock displays. In some cases the installation plan may require a
stamp from a locally licensed Professional Engineer (P.E.).

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ELECTRICAL INSTALLATION
This section of the manual provides information that is important for locating power
receptacles, running cable, planning for conduit, and other steps needed in preparation
for bringing power and data to the shot clock displays. The final hookups for power and
data will happen after the mechanical installation. But it is wise to plan for key pieces of
the electrical installation prior to physically mounting the cabinets.
The standard configuration of this shot clock set includes a power cable attached to the
top of each cabinet. Input and output ports for data are located here as well. At the
factory, it is possible to relocate these connection points to accommodate special
needs. Let your scoreboard sales rep know about any custom requirements BEFORE
we begin building your cabinets.

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Additional Materials and Tools
The illustration on the previous page shows where power is needed and how data
cables can be routed. Data cable is not included as a standard part of the shot clock
package, although Electro-Mech typically is the source for it. Alternatively, Electro-
Mech can provide a ScoreLink wireless communication system to replace the data
cable. Other materials shown (or implied) in the illustration that are not included in the
standard scoreboard package:
•Power receptacles (at each shot clock display and at the point of operation)
•Disconnect switches (to turn the displays on and off)
•Cable and conduit to supply power to the receptacles
•Conduit for the data cable (if data cable is used)
•Wire splicing kits for use with 22 AWG wire (if data cable is used)
This document assumes the installer has access to tools and skills for...
•Working with conduit and fittings
•Routing cables
•Crimping terminals, splicing, soldering, and other basic wire management
•Minor carpentry work
•Common tools such as Phillips and flat head screwdrivers, a knife, etc.
Electro-Mech recommends you find a reputable sign installer or electrician with the tools
and experience to handle the type of work mentioned above. If you are unfamiliar with
sign installers in your area, contact your scoreboard sales rep for recommendations.
Power Receptacles and Disconnect Switches
Each shot clock display is designed to be plugged into a US standard (NEMA 5-15R)
120 VAC receptacle. We recommend providing disconnect switches to kill power to
these receptacles when the signs are not in use. The control console also requires a
power receptacle. This receptacle does not need to be attached to a disconnect switch,
since the console can easily be unplugged and is typically stored between games. A
control console used with an external ScoreLink transmitter will need an extra
receptacle for the transmitter's power supply.
Model LX2160 draws a maximum of 0.3 amps at each cabinet.It is common to wire the
receptacles for both shot clock displays, along with the receptacle for the main
basketball scoreboard display, on a single circuit sharing a disconnect switch. This
makes it easier to control power for the entire scoreboard system. However, keeping
each display on a separate breaker or power switch can be helpful for maintenance and
troubleshooting.

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Junction Boxes and Data Cable
If your scoreboard package includes the ScoreLink wireless communication system,
your work is done here. Skip to the next section.
Since this shot clock set consists of two separate displays, hardwired systems require
two separate runs of data cable from the point of operation of the signs ─one to each
display. In many cases, a third run of cable
will send the signal to the main scoreboard
display. Your hard-wired shot clock package
includes two junction boxes, which you
should permanently mount to provide a stable
point of termination for the data cables. The
idea is to connect the control console to
these junction boxes via a pair of patch
cables ─typically 10-foot long patch cables
shipped with your shot clocks. So the
junction boxes will need to be mounted within
ten feet of the position where your
scoreboard operator will sit. In many gyms
the junction boxes are concealed inside a larger floor box. They can be flush mounted
on a wall, externally mounted on bleachers, or positioned anywhere else that is
convenient. Choose a location that is protected so that the junction boxes and cables
are not likely to be stepped on, tripped over, or have liquid (or anything else) spilled on
them.
It is also important to label your junction boxes. The connectors used for scoreboard
data look very much like the type used in some audio systems. Plugging audio devices
into a scoreboard data line can damage the scoreboard system.
Each junction box ships with a length of cable
soldered to the stereo socket and tucked
inside the box. There should be no need to
solder cable to this socket during the
installation. Instead, splice the wires from the
data cable to the pigtail inside the junction
box, matching colors. The wires in the pigtail
are 22 AWG, and the cable should use the
same size conductors. The installer must
provide wire nuts, crimp splices, or other
means to connect the wires.
The splice point should stay inside the
junction box. That is, you want to feed the long run of data cable into the box rather
than pulling the pigtail out. Electro-Mech provides a strain relief on one side of the
junction box to secure the cable. You may choose to connect conduit directly to the

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junction box, in which case the strain relief will not be needed. The junction box is
designed to accept 3/4-inch conduit fittings.
We recommend running data cable in conduit from the junction boxes to the shot clock
displays ─especially where the cable would otherwise be exposed. You should never
run data cable in the same conduit as power cable. Having more than one run of
scoreboard data cable in a single conduit is perfectly fine.
One more warning about data cable: Never split or branch the cable. The current loop
signal we use to transmit data to the scoreboard and shot clock displays will behave
unpredictably if it is divided between two destinations. There are other options for
getting synchronized data to two locations, including daisy chaining ─which will be
discussed below. If your facility calls for a more complicated cabling plan, it is best to
work out the details with your scoreboard sales rep prior to installation.
Stereo Plug
At each shot clock display, data enters the cabinet through a port located along the top.
The illustration below is a view of the top of the cabinet showing the standard location of
the ports.
There are two common methods for bringing the last few feet of data cable to one of the
shot clock displays. One method involves installing a junction box on the wall or other
structure near the display. From here you can run a patch cable to the shot clock's data
input port. The standard scoreboard package does not include extra junction boxes and
patch cables for this type of cable routing.
However, the materials are readily available
from Electro-Mech.
The other method uses the right-angle stereo
plug assembly, which is provided with all hard-
wired indoor scoreboard packages. In the case
of shot clocks, there will be two plug assemblies
to terminate the two cable runs required. The
assembly consists of the main plug body, an
insulating sleeve, and a cover.

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Connecting data cable to the stereo plug requires soldering to two terminals. Slide the
cover and sleeve over the data cable before soldering. The terminal nearer the center
of the plug body connects to the tip of the socket. The black wire from the data cable
should be soldered to this terminal. The terminal that extends further from the center of
the plug body connects to the ring of the plug.
Solder the red wire here. The strain relief tabs
are connected to the shaft of the plug. When
you bend the tabs around the data cable, they
should be in contact with the shielding or the
bare drain wire.
Slide the insulator sleeve over the terminals and
screw the cover in place to complete the
assembly. Now you will be ready to plug the
data cable into the port at the top of the shot
clock when it is installed.

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Managing Multiple Scoreboard Displays
The preceding material discussed how to run data cable for a single pair of shot clocks.
When multiple scoreboard displays are installed in the same facility, the options can
become confusing. Please discuss cabling plans with your Electro-Mech sales rep to
make certain you receive all the materials you need to meet your expectations. Since
shot clock displays are intended for use along with basketball scoreboards and (when
hard-wired) are typically connected via daisy chaining to the main scoreboards, the
following material focuses mostly on setting up data cables for the main scoreboards.
The simplest (and rarest) arrangement occurs when multiple scoreboards are
completely unrelated to each other. In this case, each display would have its own
control console (or consoles, in the case of scoreboards with stat panels) and its own
data cable.
Daisy-Chaining
Another simple case is when multiple displays are always run in synchronization from a
single control console. There are two ways to run cable for this setup. By running a
secondary data cable from the data output port of one cabinet to the data input port of
the second cabinet, you will link the two displays permanently.
This daisy-chaining technique can be extended, with a third display connected to the
second, a fourth display connected to the third, on so on. We recommend daisy-
chaining no more than ten displays from a single data source. Each scoreboard display
in the chain adds a few milliseconds of propagation delay. After the tenth display, this
delay would be noticeable when the Clock is counting Tenths of Seconds.
The second technique for running displays in synch is to use two runs of cable, each
patched to a separate output of the same control console. We recommend this
technique, when conditions in the gym allow it, because it offers the option of running
the scoreboards separately in the future. This is discussed further in the next section.

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Sometimes Separate, Sometimes Together
As mentioned previously, the current loop signal that sends data from the control
consoles to the scoreboard cannot be split. That is, you can't take the signal from one
data port on the back of the control console to two or more scoreboards. Instead, you
should plan for a separate cable run for each scoreboard (or for each chain of
scoreboards, if you plan to daisy chain). Each control console includes four output
ports, so it is possible to directly drive four hard-wired scoreboards (or chains) from one
console.
In the illustration above, two scoreboards are linked through Control Console "A"
because both patch cables are plugged into data ports on the back on the console. If
activities in the gym require two separate consoles, the patch cable connected to the
"B" junction box can be moved to the "B" console.
In facilities with multiple scoreboards displays, including shot clocks and locker room
clocks, many combinations of these techniques are possible. You may use one port on
the back of your control console to drive a scoreboard and (via daisy chaining) a set of
shot clocks, another port to drive a second scoreboard, and a third port to drive several
daisy chained locker room clocks. As always, we recommend discussing these options
with your scoreboard sales representative prior to placing your order.

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MECHANICAL INSTALLATION
This section of the manual describes options for installing shot clock cabinets. If your
scoreboard project includes customizations or requires other special mounting
considerations, please contact Electro-Mech to request details specific to your project.
If you have unique requirements and would like to change the position or size of our
mounting hardware to accommodate them, we can probably help you out. But we need
to find out BEFORE we start building the cabinet. Let your scoreboard sales rep know
about any special needs as early in the process as possible.
Additional Materials and Tools
Most shot clock displays are installed on or near the structure supporting a basketball
goal. As illustrated below, each shot clock cabinet includes a set of mounting points in
the back and a set of mounting points on either side (brackets and posts not included).
These mounting points are simple and generic enough to accommodate a variety of
techniques for hanging the display on assorted structures. The rear mounting points
accept 1/2-inch 13 bolts and are provided for mounting structures that can run behind
the shot clock cabinet. In some cases, it may be easier to attach support pieces to the
sides of the shot clock cabinets. The side mounting points accept 3/8-inch 16 bolts.
Electro-Mech recommends you find a reputable sign installer with the equipment and
experience to handle the work mentioned above. If you are unfamiliar with sign
installers in your area, contact your scoreboard sales rep for recommendations.

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Finalizing
If you've followed the process as it was presented in this document, you will already
have electrical receptacles and data cabling (if used) in place. At this point you should
plug the shot clock’s power cord into the power receptacle. If you are hard-wiring the
data cable, connect the plugs to the input ports on top of the cabinet. The section that
follows will discuss how to connect the control console and test the system.
Connections at the Control Console
The standard control console packaged with this scoreboard system is powered through
a typical three-prong AC power cord. At the point of operation, the console requires a
grounded power receptacle.
If your shot clock package includes a ScoreLink RF Communications system, the power
receptacle may be the only consideration on the control console side of the installation
process. For details about ScoreLink, consult the documentation that ships with the
product. Otherwise use the stereo patch cables to plug the console into the junction
boxes.

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TESTING, OPERATION, AND ONGOING CARE
After all power, data, and other connections are in place, it is time to test the shot clock
system. Apply power to the shot clock displays first. Although there is no harm in
powering the control console first, powering the signs first should result in the numeric
displays to remaining blank. Seeing any LEDs illuminated on one of the shot clock
displays prior to the availability of data from the control console would indicate a
problem inside of the shot clock cabinet.
Next, power up the control console and plug in the three-button handheld shot clock
switch assembly. For wired setups, connect two stereo patch cables to data output
ports on the back of the control console. The other ends of these patch cables are
typically plugged into junction boxes, but may be plugged directly into the data input
ports on the tops of the displays for testing.
The shot clock displays should begin showing data within a few seconds. Use the
three-button handheld device to reset, blank, and restore the shot clock time. The
[SHOT CLOCKS] button on the control console should allow you to change the time
showing on the displays (while the Period Clock is not running). For more details about
how the control console and handheld switch assembly work, consult the
documentation that ships with them.
Scheduled Testing and Maintenance
The shot clock system does not require scheduled maintenance procedures. However,
it is important to check for problems prior to a game. We recommend running through
the tests described above between two and four weeks prior to the start of a season (or
anytime you plan to use the shot clocks after a gap of more than a month). During the
season, test out the shot clocks the day before each game.
After the Game, and After the Season
Whenever you are not using your shot clock system, use the disconnect switch(es) to
cut power to the signs. You should unplug the control console from its power source
and from the data cables as well. It is not necessary to take steps beyond this, even if
the shot clocks will not be used for several months.

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MAINTENANCE
We hope your shot clock system provides years of trouble free service. In the event of
a problem, the material that follows will provide some information about contacting
technical support as well as some details about the parts inside your shot clock
displays.
Contacting Technical Support
Our support staff is available via phone or e-mail Monday through Friday 8:00 through
5:00 Eastern. Our web address and phone number is printed at the bottom of this page.
When contacting Electro-Mech for support, it helps to have the scoreboard model
(LX2160) handy as well as the version of the software running on your control console.
The console software version flashes briefly (for about 3 seconds) on the console's LCD
display when you first apply power to it.
If you are reading this manual in search of help with a different scoreboard model, for
outdoor scoreboards, you can find the model number printed on a metal plate attached
to the back of the scoreboard cabinet near where the power enters. For indoor
scoreboards, the model number is usually printed on a label at the top center of the
cabinet near the attachment point for the power cable. If your console cannot display its
software version, you can find useful information printed on the bottom of the console
box.
Besides model numbers and software versions, the most important information to have
is an exact description of the parts of your scoreboard system that are working and
especially the parts of your system that are not. The best person to make contact is
someone who has seen the problem first hand. Better yet, give us a call when you are
there at the scoreboard display and can walk through a few simple tests with one or our
technicians.
Scoreboard problems are rarely so complicated that diagnosing them requires skills
beyond using a screwdriver and a ladder. Similarly, replacing parts is straightforward
process that does not require complex tools or special knowledge.