Comark N9002 User Manual
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4.5 Date and Time Setup
Use the UP/DOWN arrow keys to select the minutes.
Press ENTER/HOLD
Use the UP/DOWN arrow keys to select the required hours
in 24 Hr Format.
Press ENTER/HOLD.
Use the UP/DOWN arrow keys to select the century.
Press ENTER/HOLD.
Select the year using the UP/DOWN arrow keys.
Press ENTER/HOLD.
Use the UP/DOWN arrow keys to select the month.
Press ENTER/HOLD.
Use the UP/DOWN arrow keys to select the day.
Press ENTER/HOLD to continue.
4.6 Display contrast adjustment
Use the arrow keys to select high or low display contrast.
Use high for extended operation in ambient temperatures
below –10°C.
Use low for higher ambient temperatures.
4.7 Mains supply rejection frequency
To change this setting, when entering the setup menu, hold
the setup key down for longer than 5 seconds.
Toggle the Mains Supply rejection frequency using the UP/
DOWN arrow keys.
In the UK use the 50 setting for 50Hz, in the USA use the 60
setting for 60Hz.