2 5000/5100 Series Digital Analog Clocks Installation and Operation Manual
Chapter 1: DAC-5000 Series Digital Analog Clocks
Introduction
The DAC-5000 Series Digital Analog Clocks feature a quiet, digitally
controlled drive mechanism. Each hand is driven independently by a
separate motor and drive train. The exact position of each hand is
microprocessor controlled and virtually error free.
The standard clock face provides two sets of numerals: 1 to12 are black,
and 13 to 24 are red. A clock face with only black numerals from 1 to
12 is optional.
The DAC-5000 Series clocks operate with standard drive signals and
consequently can be easily integrated into new or existing systems.
Selection of the drive signals is made by switches located on the back
panel. The usable drive signals are:
• Serial Timecode (SMPTE or EBU)
• 12 VDC Impulse Clock
• Internal Time Base
• Line Frequency Reference
All clock models accept Serial Timecode are in either the SMPTE or
EBU format.
If reception of the timecode is lost, the error LED located on the clock’s
face will light up and the clock will automatically switch to either the
Internal Time Base or the Line Frequency Reference, as selected on the
back panel switches, without interruption of its operation.
The Internal Time Base is provided by a 4.9 MHz crystal oscillator. The
Line Frequency Reference uses a 50/60 Hz power line. Selection of
either 50 or 60 Hz is made by soldering a jumper on the 5000DL Drive
Logic module.
The following models are available:
• DAC-5016 16 inch illuminated, wall mounting. Rack mounting
kit optional.
• DAC-5012 12 inch illuminated, wall mounting. Rack mounting
kit optional.
• DAC-5008 8 inch illuminated, wall mounting. Rack mounting kit
optional.
• DAC-5006 5 inch non-illuminated, rack mounting.
• DAC-5005 5 inch non-illuminated, desk top.
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