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5000/5100 Series Digital Analog Clocks Installation and Operation Manual
Chapter 2: ADC-5100 Series Analog Digital Clocks
•
CCW
+
MANUAL SET
Pressed together, these buttons move
second hand position in counter-clockwise direction for precise
tracking during normal operation (non-Manual Set Mode).
Repositioning the Hands
To reposition the clock hands, follow these steps:
1. Enter the Manual Set Mode by pressing and holding the
MANUAL
SET
button until the hands come to a complete stop and the error
LED at the bottom of the clock face is illuminated.
2. The
CW
button advances the hands clockwise by one second each
time it is pressed. If the
CW
button is held down, the hands
accelerate until full speed is reached (after about 30 seconds). To
stop the hands, re-press the
CW
button.
3. The
CCW
button causes the hands to move counter-clockwise.
When pressed once, the hands move backwards 50 seconds. If the
CCW
button is held down, the hands accelerate until full speed is
reached. To stop the hands, re-press the
CCW
button.
Setting the Time in Master Clock or Stand Alone Modes
To set the time in Master Clock or Stand Alone modes, follow these
steps:
1. Follow the steps described in
“Repositioning the Hands”
.
2. Stop the hands a little after the real time and wait for the precise
moment to start the clock.
3. Press and hold the
MANUAL SET
button. Release
MANUAL SET
one second before the correct time to ensure proper synchronization
with the time of day. The clock will start normally.
Local Time Offsets
The clock hands may be electronically repositioned to provide a local
offset from the input timecode. This is particularly useful for displaying
multiple time zones from the same timecode source. There are a number
of methods to achieve this and the simplest is described below.
