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How to Adjust the Contrast Ratio for 73xx Meters

Goals and Symptoms

The user can not easily read the front panel display.


Contrast ratio is extremely dim or dark. The following are instructions on how to change display contrast on the 7300 series via the front panel.

Facts and Changes

7300, 7330, 7350

Causes and Fixes

Round Button (Enter button):
At the front panel of the meter, hold down the round button for a few seconds. The display will cycle through different contrasts from blank to completely dark. Release the button when the desired contrast has been reached.

NOTE: Other button combinations that will cycle the contrast ratio include: up and down arrows, up and enter, down and enter

Front Panel:
At the front panel press the round button to enter the Setup Screen. Scroll down to Display Setup, then select DOP1 Contrast from that menu. Press either of the arrow keys to adjust the contrast or press Enter to exit.

Original article#11251
Last Revised: October 24, 2007
All content © 1992-2007 Schneider Electric

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