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1460/61 INSTRUCTION MANUAL
oscillator - an electronic component that provides a stable electrical signal of a given frequency;
time base feature that allows the Master Time Programmer to synchronize its time
keeping to its internal crystal oscillator
open - to display the contents of a menu
parallel port - a connection (usually LPT1 on a computer) where a cable for a parallel device
(such as a printer) is installed
read only memory (ROM) - a solid state storage chip that can have its information read, but not
rewritten
RESET relay - one of the relays of a clock circuit
reverse polarity - a means by which impulse clocks can be advanced each minute and corrected
on the same pair of wires by reversing the polarity of the signal sent out on those wires
RUN relay - one of the relays of a clock circuit
scatter correction - see 12 hour correction
schedule - a sequence of events
scroll - to move items of a list up or down in order to see the parts of the list that are not displayed
secondary clock - a correctable clock that is part of a time system (e.g., a master clock system)
select - to pick a desired item from a list
serial port - a connection (such as the 1468A RS-232 Port of the Master Time Programmer, or
COM1 of a computer) where a cable for a serial communications device is installed
Set Defaults Menu - the menu that allows the user access to program how the Master Time
Programmer operates, such as options used and time format
signal circuit - a circuit which operates bells and utility devices in accordance with a programmed
schedule of events
signal duration - the elapsed time that a duration event activates its signals
software - the set of instructions for a computing device, such as the Master Time Programmer
special function - a feature of the Master Time Programmer that allows a technician to access
and change certain programming information not accessible from other menus
special schedule - see alternate schedule
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