User's Manual

6. Daily use

6.1. Keypad functions

1 NAVIGATION keys in the menus – Interactive keys for use between the screen

2 FUNCTION keys F

3 CANCEL key (red)

4 CLEAR key (yellow) / Feed paper (long press)

5 VALIDATION key (green)

6 Dot Key

6.2. Adjusting the contrast

No contrast management for the Colour display

The screen of your chart is 128 x 64 pixels, illuminated with white light.

If you wish to increase or to decrease the contrast of the characters displayed on screen,

press simultaneously on the (dot key) and key in order to decrease the

contrast, or the (dot key) and key in order to increase.

Keep pressing the keys as long as necessary.