Translux Fair-Play HK-1700-4 Series Operating instructions
INDOOR SPORTS
SCOREBOARD
INSTALLATION RECOMMENDATIONS
98-0001-23 •REV 1805.03
TABLE OF CONTENTS
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS II 98-0001-23 •1805.03
DISCLAIMER
The suggestions and recommendation within this document are intended as a guide for the
installation of Fair-Play scoreboard, TLVision sports displays and/or Trans-Lux signs. While Fair-Play
believes the instructions contained herein are accurate and correct, Fair-Play does not warrant the
accuracy or correctness of such instructions and there are no warranties, expressed or implied and
not limited to any warranties of merchantability of fitness for a particular purpose.
In no event shall Fair-Play be liable to dealer or its customer for any indirect, special or
consequential damages or lost profits arising out of or related to this sale or the performance or
breach thereof even if Fair-Play has been advised of the possibility thereof. Fair-Play’s liability to
dealer, if any, in connection with this sale shall in no event exceed the total amount paid by dealer
for the scoreboard furnished by Fair-Play.
The installation of a Fair-Play scoreboard, TLVision sports display and/or Trans-Lux sign is the
responsibility of others. Fair-Play assumes no responsibility for the design or construction of the
installation. Fair-Play highly recommends that a professional engineer, appropriately licensed in the
area, review and approve the installation. All field testing, construction, welding, and electrical work
should be performed by appropriately trained and licensed personnel.
WARNING: Incorrect installation may permanently damage the scoreboard and void the
warranty. Trans-Lux and Fair-Play assumes no responsibilities for installations
done by others.
These installation recommendations are subject to change without notice.
COPYRIGHT ©2012 Trans-Lux/Fair-Play
This document contains Trans-Lux/Fair-Play proprietary information. Any disclosure, use or
duplication of the document or of any information contained therein for other than the specific
purpose for which it was disclosed is expressly prohibited, except as may be otherwise agreed to in
writing.
TABLE OF CONTENTS
98-0001-23 •1805.03 III INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
TABLE OF CONTENTS
UNPACKING..........................................................................................................................................1
Scoreboard & Control ......................................................................................................................... 1
Signs.................................................................................................................................................... 1
EQUIPMENT LOCATION &PLACEMENT ........................................................................................................2
Ventilation........................................................................................................................................... 2
CONTROL .............................................................................................................................................3
Wired Control Data Connections ........................................................................................................ 3
PORTABLE INDOOR SCOREBOARD...............................................................................................................4
Floor or Tabletop................................................................................................................................. 4
Power and Data................................................................................................................................... 4
INDOOR SCOREBOARD.............................................................................................................................5
Four Sided Scoreboard Assembly........................................................................................................ 5
Standard Data Chain.................................................................................................................... 6
Data Splitter Option .................................................................................................................... 7
Mounting the Scoreboard ................................................................................................................... 8
Safety Requirements ................................................................................................................... 8
Rigid Support Structure ............................................................................................................... 8
Retrofit ........................................................................................................................................ 8
Eyebolts or Lifting Points ............................................................................................................. 8
Wall Mounted ............................................................................................................................. 9
Hanger Bracket Spacing............................................................................................................... 9
Suspended................................................................................................................................. 11
Power & Data.................................................................................................................................... 12
Power ........................................................................................................................................ 12
Conduit and Wiring Requirements ............................................................................................ 12
Fused Disconnect ...................................................................................................................... 12
Ground Wire.............................................................................................................................. 13
Data In –Wired Control............................................................................................................. 14
Data In –Wireless Control......................................................................................................... 14
Single Sided Scoreboard ............................................................................................................ 15
Two Sided Scoreboard............................................................................................................... 17
Four Sided Scoreboard .............................................................................................................. 19
CONNECTION DIAGRAMS .......................................................................................................................21
01-0001-01 Direct Wire............................................................................................................. 21
01-0001-16 Wireless.................................................................................................................. 22
01-0001-17 Four Sided Direct Wired ......................................................................................... 23
01-0001-18 Four Sided Wireless................................................................................................ 24
UNPACKING,EQUIPMENT LOCATION &PLACEMENT
98-0001-23 •1805.03 1 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
UNPACKING
For convenience and to prevent possible damage to equipment, unpack the shipping containers at
the installation site.
CAUTION: The shipping crates and boxes must be unpacked on a sturdy and level floor.
Take all precautions to prevent equipment from tipping and cause possible
injury to personnel or damage to equipment.
SCOREBOARD & CONTROL
1. Remove one side of the shipping crate.
See Figure 1.
2. DO NOT use box cutters to cut into the
shipping crate cover. Doing so may
damage the scoreboard contained in
the shipping box.
3. The scoreboard may be top-heavy.
SAFETY PRECAUTION:
To prevent possible equipment damage
and/or personal injury, hook cables or
chains to the eyebolts or j-brackets
located near the top of the scoreboard to
prevent it from tipping.
4. The control package is shipped inside
the scoreboard behind a digit panel
marked with removable labels.
Loosen the 4 screws to remove the
digit panel and remove the control
package.
5. Reinstall the digit panel.
6. Carefully slide the scoreboard from the
shipping crate.
SIGNS
1. DO NOT use box cutters to cut into the
shipping box as this may damage the
sign contained in the box.
2. Remove the side boards of one side of
the shipping crate. See Figure 2.
3. Remove the boxed sign from the
shipping crate.
4. Carefully slide the sign from inside the
shipping box.
FIGURE 1–UNPACKING THE INDOOR SCOREBOARD
FIGURE 2–UNPACKING THE SIGN
UNPACKING,EQUIPMENT LOCATION &PLACEMENT
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 2 98-0001-23 •1805.03
EQUIPMENT LOCATION & PLACEMENT
•The sports display (scoreboard, TLVision and optional sign) must be positioned so that the
spectators see what is being displayed.
•The control must be located such that the scorekeeper or control operator can monitor the
event and see what is being displayed. See Figure 3 below.
FIGURE 3–SPORTS DISPLAY AND CONTROL PLACEMENT
VENTILATION
•Install the scoreboard so that air flow is not restricted. Customer’s structure must allow for
the free flow of outside ambient air to the product, without recirculation of air from outlet
vent to inlet vent.
•Warranty will be void if components fail due to air flow restrictions.
UNPACKING,EQUIPMENT LOCATION &PLACEMENT
98-0001-23 •1805.03 3 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
CONTROL
The control must be operated and stored in a dry location. Refer to the user manual for the
operation and maintenance of your control.
WIRED CONTROL DATA CONNECTIONS
The data cable(s) from the scoreboard(s) must be connected to the MP-70/50 or MP-80 as shown in
the diagram below.
UNPACKING,EQUIPMENT LOCATION &PLACEMENT
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 4 98-0001-23 •1805.03
PORTABLE INDOOR SCOREBOARD
FLOOR OR TABLETOP
•Single Sided or Two Sided Tabletop models can be placed on the floor or on a table.
•Single Sided or Two Sided models equipped with wheels are for use on the floor.
•Three sided models are mounted on a Floor Stand or placed on a table. Refer to Figure 4
below.
POWER AND DATA
Portable scoreboard models (single sided, two sided and three sided)are equipped with an attached
power cord and provided with data cables with plug connectors. Refer to Figure 4 below.
1. POWER –connect the power cord to the 120 VAC grounded outlet.
2. DATA –connect the data cable from the control to the DATA IN jack of the scoreboard.
FIGURE 4–POWER &DATA TO PORTABLE INDOOR SCOREBOARD
INDOOR SCOREBOARD –FOUR SIDED ASSEMBLY
98-0001-23 •1805.03 5 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
INDOOR SCOREBOARD
FOUR SIDED SCOREBOARD ASSEMBLY
Four Sided Scoreboards require assembly on ground level before it can be hoisted to its final
location. See Figure 5 below.
1. Arrange the scoreboards as shown.
Secure scoreboards to corner angles using hardware supplied.
2. Reconnect the power harnesses –side 1 to 4, side 1 to 2, and side 2 to 3.
Route the power harness coiled inside the scoreboard through the topmost grommet hole
located on each side of the scoreboard. See Figure 5 below.
3. Reconnect the data harness –there are two methods used in connecting the data harness
to the lamp drivers:
•Standard Data Chain –most common method. See information on page 6 then
continue with step 4 below.
•Data Splitter Option –see information on page 7 then continue with step 4 below.
4. Attach the corner panels using supplied hardware.
5. Test connections before lifting entire assembly into position.
Test that all harness connections are working by connecting the data cable from the control
and supplying temporary power to SCOREBOARD SIDE 1. Refer to Power & Data on page 12.
6. Proceed to Mounting the Scoreboard on page 8.
FIGURE 5–ASSEMBLY OF FOUR SIDED SCOREBOARD
INDOOR SCOREBOARD –FOUR SIDED ASSEMBLY
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 6 98-0001-23 •1805.03
STANDARD DATA CHAIN
1. The data chain harness is the standard connection method used for a four sided scoreboard.
Data from SIDE 1 is fed to SIDE 2, from SIDE 2 to SIDE 3, and finally from SIDE 3 to SIDE 4.
2. Open the internal compartment –use any of the following methods:
•HOME SCORE PANEL –on each scoreboard, loosen the retaining screws, then move or
flip the panel out of the way.
•REAR ACCESS COVER –on the rear of each scoreboard, loosen the retaining screws,
then move the cover out of the way.
CAUTION: DO NOT unplug existing wire connections.
3. Route and connect the data harness.
a. Uncoil the data harness –located in the upper left corner of the scoreboard.
b. Route the data harness –through the grommet holes along the sides of the
scoreboards SIDE 1 and SIDE 2.
c. Connect the data harness –into the K28 data-in terminal of the SIDE 2 LAMP DRIVER.
See Figure 6 below.
d. Repeat the same procedure for connecting SIDE 2 to SIDE 3, and SIDE 3 to SIDE 4.
4. Close the internal compartment –reinstall the HOME SCORE PANELS or REAR ACCESS COVERS.
5. Continue with step 4 on page 5.
FIGURE 6–FOUR SIDED SCOREBOARD DATA CHAIN CONNECTIONS
INDOOR SCOREBOARD –FOUR SIDED ASSEMBLY
98-0001-23 •1805.03 7 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
DATA SPLITTER OPTION
A splitter is used on a four sided scoreboard when additional lamp drivers required; stat panels for
example. Data is distributed from the DATA SPLITTER to each scoreboard.
1. Open the internal compartment –use any of the following methods:
•HOME SCORE PANEL –loosen the retaining screws, then move or flip the panel out of
the way.
•REAR ACCESS COVER –located on the back of each scoreboard, loosen the retaining
screws, then move the cover out of the way.
CAUTION: DO NOT unplug existing wire connections.
2. Route and connect the data harness.
a. Uncoil the data harness –located in the upper left corner of SCOREBOARDS SIDE 2, 3
and 4.
b. Route the data harness –through the grommet holes along the sides of the
scoreboards and to the DATA SPLITTER in SCOREBOARD SIDE 1.
c. Connect data harness –from SIDES 2, 3and 4to DATA SPLITTER in SIDE 1. See Figure 7
below.
3. Close internal compartment –reinstall the home score digit panel or rear access cover.
4. Continue with step 4 on page 5.
FIGURE 7–FOUR SIDED SCOREBOARD DATA SPLITTER CONNECTIONS
INDOOR SCOREBOARD –MOUNTING
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 8 98-0001-23 •1805.03
MOUNTING THE SCOREBOARD
SAFETY REQUIREMENTS
•Comply with all applicable city, county, state and federal laws and regulations adopted
pursuant thereto.
•Provide all measures necessary to protect the workmen and other persons during
construction. Provide all necessary measures to avoid excessive stresses and to hold the
structural elements in place during construction. Such measures shall include, but not be
limited to, bracing; shoring for construction equipment; scaffolding; safety nets; support and
bracing for cranes and hoists; guying, etc.
RIGID SUPPORT STRUCTURE
•The scoreboard must be hung from or mounted to a rigid support structure in accordance to
local codes. The scoreboard must NOT be hung from or mounted to a non-rigid support.
•Any mounting design provided by others and submitted for review or record shall bear the
stamp and signature of a licensed professional engineer registered in the state of
installation.
RETROFIT
•The scoreboard can be retro-fitted into an existing enclosure.
•The scoreboard must be anchored using its mounting frame and not the cabinet.
EYEBOLTS OR LIFTING POINTS
•The scoreboard can be easily lifted into place using a crane, boom truck or scissor lift such as
used by utilities and sign companies.
•The weight and dimensions of your scoreboard are shown on the installation drawing.
•When lifting the scoreboard, hook the slings or spreader bar cables into the holes of the
EYEBOLTS or HANGER BRACKETS attached to the rear of the scoreboard.
•The EYEBOLTS may be removed after the scoreboard is secured.
WARNING: Sectional or scoreboard models containing a “V” (xx-xxxx-V-xxxx) MUST NOT
be suspended and must be wall mounted using the WALL BRACKET.
FIGURE 8–LIFTING POINT OR SUSPENSION POINT
FIGURE 9–LIFTING POINT ONLY
INDOOR SCOREBOARD –MOUNTING
98-0001-23 •1805.03 9 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
WALL MOUNTED
Wall mounting is the preferred method of installation for
SINGLE SIDED SCOREBOARDS, and there are two methods:
•Tile Wall –Use a 3/8” toggle bolt with washer.
Refer to Figure 10.
•Masonry Wall –Use a 3/8” expansion bolt with
washer. Refer to Figure 10.
Refer to Hanger Bracket Spacing below for additional
information.
FIGURE 10 –HANGER BRACKET DETAIL
HANGER BRACKET SPACING
Refer to Figure 11 and corresponding dimensions on Table 1 –Mounting Dimensions & Method on
page 10. Confirm dimensions by measuring actual parts.
FIGURE 11 –HANGER BRACKET SPACING
INDOOR SCOREBOARD –MOUNTING
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 10 98-0001-23 •1805.03
TABLE 1–MOUNTING DIMENSIONS &METHODS
MODEL
SIDES
WALL MOUNTED1
SUSPENDED
FLOOR/TABLE
A
B
C
BB-1500-4 Series
1
75-1/4”
---
---
U-bolts option2
---
BB-1575-4
1
50”
---
---
U-bolts option2
---
BB-1576-4
1
42”
---
---
U-bolts option2
---
BB-1600-4 Series w/Stat Panels
1
75-1/4”
147-1/4”
36”
U-bolts option2
---
BB-1600-4
1
75-1/4”
---
---
U-bolts option2
---
BB-1600-V Series w/Stat Panels3
1
75-1/4”
68-3/4”
---
---
---
BB-1604-48L-4
4
---
---
---
Corner angle eyebolts only!
---
BB-1624-48L-4
4
---
---
---
Corner angle eyebolts only!
---
BB-1671A-4
2
---
---
---
U-bolts only!
---
BB-1681-4 Series
1
69-1/4”
---
---
U-bolts option2
---
BB-1700-4 Series w/Stat Panels
1
75-1/4”
183-1/4
54”
U-bolts option2
---
BB-1700-4
1
75-1/4”
---
---
U-bolts option2
---
BB-1700-V Series w/Stat Panels3
1
75-1/4”
104-3/4”
---
---
---
BB-1800-4 Series
4
114”
---
---
Corner angle eyebolts only!
---
BB-1851-4
BB-1855A-4
BB-1855B-4
4
132”
---
---
Corner angle eyebolts only!
---
BB-3600-4
1
75-1/4”
---
---
U-bolts option2
---
HK-1600-4
1
75-1/4”
---
---
U-bolts option2
---
HK-1650-4
1
75-1/4”
147-1/4”
36”
U-bolts option2
---
HK-1655-4
1
75-1/4”
171-1/4”
48”
U-bolts option2
---
HK-1660-4
1
75-1/4”
---
---
U-bolts option2
---
HK-1700-4 Series
1
75-1/4”
---
---
U-bolts option2
---
HK-1750-4
1
75-1/4”
183-1/4”
54”
U-bolts option2
----
HK-1755-4
1
75-1/4”
207-1/4”
66”
U-bolts option2
----
HK-1800-4
HK-1850-4
HK-1870-4
4
114”
---
---
Corner angle eyebolts only!
---
HK-1880A-4
HK-1880B-4
HK-1885-4
4
132”
---
---
Corner angle eyebolts only!
---
MP-1054-4
1
75-1/4”
147-1/4”
36”
U-bolts option2
---
MP-1400-4
1
18-1/2”
---
---
U-bolts option2
---
MP-1651-4
1
75-1/4”
---
---
U-bolts option2
---
PC-1440-4
1
30”
---
---
U-bolts option2
---
PC-1450-4
1
75-1/4”
---
---
U-bolts option2
---
PF-1642-4
1
Varies
---
---
---
---
PL-1641-44
1
---
---
---
---
---
SG-1450-4
1
48”
---
---
U-bolts option2
---
VB-1609-4
1
65-1/4”
---
---
U-bolts option2
---
VB-1712-4
1
67”
---
---
U-bolts option2
---
WR-1358-4
2
---
---
---
---
Floor
WR-1400 4
1
25”
---
---
U-bolts option2
---
WR-1400-2S-4
2
---
---
---
---
Floor or Table
WR-1400-3S-4
3
---
---
---
---
Floor Stand or Table
WR-1599-4
1
36”
---
---
U-bolts option2
---
WR-1668-4
1
---
---
---
---
Floor Stand or Table
NOTES:
1Wall mounted using Hanger Brackets. Refer to Hanger Bracket Spacing on page 9.
2Unless specified otherwise, single sided scoreboards can be suspended at the u-bolt lift points or wall mounted using hanger brackets.
3Wall mounted method only. This model is not for suspension. U-bolts are designed for lifting purposes only and not designed for
suspension.
4Wall Mounted –refer to drawing 04-1641-01.
INDOOR SCOREBOARD –MOUNTING
98-0001-23 •1805.03 11 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
SUSPENDED
WARNING: Sectional or scoreboard models containing a “V” (xx-xxxx-V-xxxx) MUST NOT be
suspended and must be wall mounted using the WALL BRACKET.
WARNING: Failure to follow these guidelines could result in injury or death.
Except for scoreboard models having a “V” designation, if wall mounting is not possible then an
optional suspension installation by cables (or chains) may be accomplished by following these
simple guidelines:
•The load rating of suspension cables or chains must be equal to or greater than the actual
weight of the scoreboard.
•The suspension cables must be attached to each of the eye bolts located on the top edge of
scoreboard.
oTwo (2) suspension cables are required for each scoreboard or two (2) sided
scoreboard
oFour (4) suspension cables are required for a four (4) sided scoreboard. Refer to
Figure 12 below.
CAUTION: Attaching suspension cables to other parts of the cabinet is NOT permitted; as
this may result in possible damage to your scoreboard or unsafe operation.
FIGURE 12 –FOUR SIDED SCOREBOARD
•The suspension cables must be vertical and parallel to each other.
CAUTION: If cables are not vertical and parallel, they may be subjected to higher stress
loads which could result in damage to your scoreboard.
•A maximum of two (2) lightweight pendant signs of the Fair-Play PDI-XXXX model series are
permitted to be attached to a suspended scoreboard.
WARNING: Rear illuminated signs or any other display equipment must be suspended
separately on their own suspension system. They are NOT to be attached or
suspended from a suspended scoreboard.
INDOOR SCOREBOARD –POWER &DATA
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 12 98-0001-23 •1805.03
POWER & DATA
POWER
•Provide a dedicated power circuit to the scoreboard.
•All electrical hookups must meet local building codes including breaker sizing, grounding,
and ground rod requirements.
•The power wires from the main service disconnect to the fused disconnect must contain an
earth ground conductor. Refer to Ground Wire on page 13.
•Install a line filter, surge protector, or UPS (uninterruptible power supply) in areas of poor
power quality.
•Wall mounted or suspended scoreboards must have separate conduits for data wires and
power.
•Portable scoreboards require a standard 120 VAC grounded electrical outlet.
CONDUIT AND WIRING REQUIREMENTS
•Electrical load requirements are
stated on the ID label —located
on the right side of the scoreboard
as you are facing the front.
•Refer to wiring diagram supplied
with your equipment.
•Final connections are to be
completed after scoreboards have
been permanently fastened.
•Final connections must be
performed by a qualified
electrician or service technician.
•Mounting structures must not
prevent full opening of hinged or
sliding access panels.
FIGURE 13 –ID LABEL
WARNING: Make sure power source is disconnected. DO NOT make final connections
with live power. Failure to do so could result in serious injury or death
caused by electrocution.
FUSED DISCONNECT
•Scoreboard –the customer must provide a fused disconnect for the scoreboard that is easily
accessible and is within sight.
•TLVision Option –the customer must provide a separate fused disconnect for the TLVision
that is easily accessible and is within sight –refer to 98-0001-22 Indoor Sports TLVision
Display Installation Recommendations for information.
INDOOR SCOREBOARD –POWER &DATA
98-0001-23 •1805.03 13 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
GROUND WIRE
The proper grounding of the electrical circuits and the scoreboard is an important aspect of an
installation to ensure reliable operation, reduce potential lightning damage and for safety. Refer to
Figure 14 below and to Article 250.56 and 600 of the National Electric Code, and ANSI/IEEE 142-
1.6.6.
FIGURE 14 –TYPICAL GROUND WIRE CONNECTION
INDOOR SCOREBOARD –POWER &DATA
INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS 14 98-0001-23 •1805.03
DATA IN –WIRED CONTROL
•Portable Indoor Scoreboard –a 10’ foot data cord (with plugs) is provided for connecting
from the MP-70/50 control to the scoreboard. Refer to page 4.
•Single Sided Scoreboard –a 10’ foot data cord (with plugs) is provided for connecting the
MP-70/50 control to the RECEPTACLE BOX. Refer page 15.
•Four Sided Scoreboard –a 10’ foot data cord (with plugs) is provided with the control for
connecting the MP-70/50 to the RECEPTACLE BOX. Refer to page 19.
•TLVision Video Display –refer to 98-0001-22 Indoor Sports TLVision Display Installation
Recommendations for information.
DATA IN –WIRELESS CONTROL
The external control cable and conduit are not required for wireless systems. A wireless receiver is
installed inside the scoreboard which feeds data to the LED lamp driver(s). However, a wired
connection can be installed as a backup connection option.
INDOOR SCOREBOARD –POWER &DATA
98-0001-23 •1805.03 15 INDOOR SCOREBOARD INSTALLATION RECOMMENDATIONS
SINGLE SIDED SCOREBOARD
CAUTION: DO NOT route incoming power and data control cable in the same conduit
as this may cause interference with the operation of the scoreboard.
NOTE: DO NOT route cable through cable passages without using a grommet, plastic
bushing, or edge protection. If grommet, plastic bushing or edge protection is
missing, seek one from your local supplier or contact Fair-Play.
1. Pry open the conduit knock-outs located at the top of the scoreboard.
2. Access the wiring compartment:
a. MINUTES DIGIT PANEL –loosen the retaining screws, then move the panel out of the
way.
b. HOME SCORE PANEL –loosen the retaining screws, then move or flip the panel out of
the way.
CAUTION: DO NOT unplug existing wire connections.
3. POWER –refer to Figure 15 on page 16.
WARNING: Make sure power source is disconnected. DO NOT make final connections with
live power. Failure to do so could result in serious injury or death caused by
electrocution.
a. Locate the white, green and black power wires coiled inside the wiring
compartment.
b. Connect incoming power:
•Neutral –white
•Line 1 –black
•Ground –green.
4. DATA –refer to Figure 15 on page 16.
For optimum data transmission, avoid splices in the twisted wires to the scoreboard. The
twisted wires must be long enough to reach from the RECEPTACLE BOX to the DATA IN jack of
the scoreboard.
Connect the shield wire at one end only of the data cable. Connecting the shield at both
ends may cause a ground loop, which could lead to erratic operation of the scoreboard.
a. Outside the scoreboard:
i. Install the RECEPTACLE BOX within 10 feet of the control.
ii. Install a dedicated conduit (1/2” or larger) to the scoreboard.
iii. Solder the twisted wires to the DATA JACK.
iv. Route the twisted wires through the conduit and into the scoreboard.
v. Install DATA JACK to RECEPTACLE BOX.
b. Inside the scoreboard:
i. Solder the twisted wires to the DATA PLUG.
ii. Connect data plug to the DATA IN jack.
5. Reinstall the MINUTES DIGIT PANEL.
This manual suits for next models
46
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