31
Press
to select the image color. representing respectively grey, red, yellow and blue.
Press
to select the char color. representing grey and yellow.
Press
to select the background color. representing grey and blue.
To exit, please press
.
2.7.7 Measure of perimeter, area and volume
Two methods are available.
●Press
in the state of freeze, the menu is displayed on the screen.
● Press
to select 3.AREA-VOLM, and it is displayed as follow：
The first one is Freehand method and the second is Ellipse method.
a.Freehand：
Keyboard Operation
1. Press
to select Freehand method. Then measure cursor appears on the screen.
Use direction keys to move the cursor to the start of the examined spot.
2. Press
，and use direction keys to move the cursor along the fringe of the examined
area to the end.
3. Press
again to finish the measuring.
If measuring should be continued, press
and
or directly press
，and
repeat Step 2-3. You can get 2 groups of data at most. The results are on the right side of the
screen.
PLEASE ENTER:
1. FREEHAND 2.ELLIPSE
PLEASE ENTER COLOR:
1.IMAGE 2.CHAR 3.BACKGROUND
