DMQ QH5 U, User Manual

Page: 24 / 77

Chapter 1 10
The contrast on the QH5 U is digital.
Touch the white dot located in the center of
the vertical scrolling bar between the
-
keys and a contrast window will open.
Move your finger towards the top and or
bottom of the dotted line to adjust the
contrast on your display.
Figure 1.12: Digital LCD contrast adjustment
To lock the keypad place your finger on the white dot located in the
center of the horizontal scrolling bar between the
- keys.
Move your finger to the right following the dotted line and a window
on the unit display will open with the message
Lock ( Figure 1.13).
Continue moving your finger in the same direction until you enter
blocked mode. The window on the display will close and the blocked
keypad indicator will show on the top right of the unit screen.
Figure 1.13: Locking the keypad