DIGITAL CLOCK MODEL CLK100
GEKCO INC.
Rev 1.1
21
10.
Operational Instructions
Pressing the SET button will start the menu selection process. Each button press of the SET button
selects the next menu option. If the + or – button is pressed during the time setting mode, the menu
loop ends after the seconds setting. If no time settings are changed the menu loop goes through the
entire set of options, changing to the next option for each SET button press. The menu options are
listed below. See figure 19 for the detailed flow chart.
•
Set Time
•
Set UTC Mode On or Off
•
Set UTC Hour Offset
•
Set Alarm Time
•
Set Alarm On or Off
•
Set Local Time to 12 or 24 Hour
•
Set Display Brightness
10.1.
Setting the Time
The time is set by first pressing the SET button. This then presents the first menu option which is the
hours setting, then press the + (increment) button to increment the hours and the – (decrement) button
to decrement the hours. Once you have set the correct hours then press the SET button again to
change to the minutes setting. Press the + (increment) button to increment the minutes and the –
(decrement) button to decrement the minutes. Once you have set the correct minutes then press the
SET button again to change to the seconds setting. Press the + (increment) button to increment the
seconds and the – (decrement) button to decrement the seconds. The seconds setting is adjusted by
10 seconds each time the + or – button is pressed. Once you are satisfied with the new time settings,
wait to press the SET button until the display time is synchronized with the correct time and then the
new clock setting is saved to the Real Time Clock module.
10.2.
Setting the UTC Mode On or Off
The UTC (Universal Coordinated Time) display mode can be set on or off. The is done by pressing the
SET button until the “utc on” display option is shown. Then press the + (increment) button to toggle the
UTC Mode either On or Off. Press the SET button to exit to the next menu option.
10.3.
Setting the UTC Hour Offset
The UTC (Universal Coordinated Time) hour offset from your local time can be set. The is done by first
pressing the SET button. Press the SET button again to enter the UTC offset setting. Then press the +
(increment) button to increment the offset and the – (decrement) button to decrement the offset. Press
the SET button again to exit this setting.