Scoreboard Options
15
Team Name Message Centers & Electronic Captions
Team Name Message Centers (TNMCs) are programmable LED displays that allow
scoreboards to show custom Home and Guest names. Electronic captions, on the other
hand, are pre-programmed to only show specic labels to match the captions for a
particular sport mode, making it much simpler to switch between sports. TNMCs and
electronic captions are typically factory-installed, but they can also be added later, after
the scoreboard has been mounted. For more information about TNMCs or electronic
captions, contact a Daktronics representative or refer to the service manual listed in
Troubleshooting (p�2).
Horns
Reference Drawings:
12V DC Horn Option Installation ....................................................................... DWG-148960
Daktronics indoor scoreboards are equipped with a 120 VAC vibrating horn mounted
behind the cabinet face. The horn sounds automatically when the period clock counts
down to zero, or when manually triggered by the operator using the control console.
Installation of an optional 12 VDC horn is detailed in DWG-148960 in Appendix B. Louder
trumpet horns are also available. Contact Daktronics for information and pricing.
Adjusting Horn Volume
CAUTION: The horn is a 120 VAC device� Turn off power before adjusting the horn�
The volume for the electronic, buzzer-type horn is set at its maximum level at the factory.
If the horn is too loud, reduce its volume by adjusting the setscrew mounted in the front of
the horn. A plastic tip on the screw touches the horn’s diaphragm, reducing the volume.
Turn the screw clockwise and test the volume by operating the horn from the scoreboard
control console. Continue adjusting and testing until the desired volume level is obtained.
Note that with spectator noise, the horn will not seem as loud as when it is being tested in
an empty area. Be sure to set the volume according to the acoustics of the facility.
Visual Horn Indicator (VHI)
In addition to the horn, Daktronics offers a visual horn indicator (VHI) that lights up when
the buzzer sounds. To install a VHI, the existing horn wiring must be tapped into in order to
provide power and signal. For more information about installing the VHI option, including
details on the inputs, outputs, and switches of a shot clock relay board that controls
when the VHI should be turned on, refer to the VHI (ED-13397) or BB-2133 (ED-13806)
Installation Instructions.
Light Strips
LED light strips are a common option for backstops to indicate the end of the period or
to show that the shot clock time has expired. For installations that use backstop LED light
strips, refer to the LED End-of-Period Basketball Lighting Display Manual (ED-13652).
Double Bonus Indicators
All of the clock/score basketball scoreboards in this manual have the option to include
double-bonus indicators, which are factory installed. This option is illustrated in the
component location drawings attached to the product specication sheets listed in
Appendix A.
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