Daktronics DF-12xx - Manual (Page 14)

1-4 Introduction
Modem
The modem is a standard communication interface that utilizes standard phone
transmission lines. The phone company assigns each phone line a number that the
modem uses to communicate between the DataMaster and display. Each modem
network needs to have a dedicated phone line assigned to it. Refer to Section 3
(Electrical Installation) and the Section 5 (Gas Price Display Operation) for
additional information.
1.3 Product Overview
DataTime and DataMaster displays are part of a family of Daktronics digit products
designed for easy installation, readability and reliability.
The DataTime/DataMaster Series includes:
• Gasoline Price Displays: gas price signs with three standard digits,
decimal, and 9 /
10
fraction.
• Rate Displays: two- or four-digit signs, typically used to display
hotel/motel room rates or commodity prices.
• Lottery Displays: three-digit signs typically used to display lottery
jackpots.
• Parking Garage Displays: four-digit display used for parking locations
requiring a DataMaster, switch inputs or third-party software.
• Event Counters: These displays are typically used to count to a designated
goal. They will count either up or down, and can be up to nine digits long.
• Time & Temperature Displays: Automatic Time & Temp signs capable of
displaying temperatures in Fahrenheit or Celsius (three digits, degree
symbol, and F and C character) and 12- or 24-hour time.
The DataMaster series includes gasoline, rate and parking displays, along with
lottery and event counters. The DataTime series name is used for time and
temperature displays only.
These displays have the following features:
• These displays use LEDs to illuminate their numeric digits.
• Power usage for individual displays in this series is a maximum 300 W. All
models have a 120 V power requirement.
• All DataMaster displays are configured with red, amber or green LEDs.
• DataMaster cabinets are constructed of heavy-gauge aluminum.
• Digit faceplates are black, and they are set directly into the surface of the
display.
• Mounting weights and dimensions for each model are listed in Section 2 of
this manual.
• The DataMaster outdoor LED displays have been designed for use with a
DataMaster
™
100 hand-held controller. The device uses a keyboard insert
for display control. Section 5 of this manual provides operating
instructions.