General Description - Electronics International Super Clock SC-5 Operating Instructions Manual

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The SC-5 is a Super Clock instrument packaged in a 2.5" by 2.5 by 2.78" depth case. The instrument
uses a D-Sub connector to allow the SC-5 to be removed from the instrument panel at any time. The
SC-5 uses a clock IC incorporating a 20+ year lithium battery.
The SC-5 has the following five display modes:
1. "LOCAL" Clock - In this mode the SC-5 will display Local Time. The Local Clock may be pro-
grammed to display in a 12 or 24-hour format.
2. "ZULU" Clock - In this mode the SC-5 will display Zulu Time.
3. "UP" Timer - In this mode the SC-5 will display the "UP" Timer. This Timer counts up and starts
automatically when your aircraft's engine is started. In this way the Timer acts as a Flight Timer. Also,
the timer may be used as a pilot programmable Recurring Alarm. This can be used to alert you at
appropriate time intervals. Example: If the alarm is set for 30 minutes, you will get an alarm at 30
minutes, 60 minutes, 90 minutes, etc. This alarm can be used to remind you to check your fuel level,
course, position or instruments at set time intervals. The yellow Warning LED marked "UP" over the
digital display will "blink" when the programmed time interval is reached. The "START/STOP" and
"RESET" buttons control this Timer.
4. "DN" Timer - In this mode the SC-5 will display the "DN" Timer. This Timer counts down when
running and the Start Time may be set. When the Timer reaches 0:00, the yellow Warning LED marked
"DN" over the digital display will "blink" and the display will show the time past the zero point as a
negative number. This can be very helpful for timing approaches. The "START/STOP" and "RESET"
Buttons control this Timer.
5. "ENGINE TIME" - In this mode the SC-5 acts as a Hobbs Meter. The SC-5 will display the total
time the engine has been running. An "/Hr" will be displayed in the upper right corner of the LCD,
indicating that the Engine Time is being displayed in hours. The "/Hr" will "blink" when the SC-5 is
recording Engine Time. Push the "RESET" button to display tenths and hundredths of an hour. This
Timer cannot be reset. You may push and hold the "Start/Stop" button to display bus voltage.
Operating Instructions
SC-5
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