Fluke 990DSL, Руководство пользователя

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Controls and Connections
The CopperPro Loop Tester: at a Glance
2
2-5
Table 2-1. Functions of the CopperPro Keys (continued)
Key Function
HOME
M
Has two functions:
•
Press
M
to return to the previously displayed
screen.
•
Press
>
then
M
to display the Main menu (see
Figure 3-2).
Four directional arrow keys have the following functions:
•
To select a test or edit a parameter, press an arrow
key to move the cursor in the direction in which the
arrow points (up, down, left, or right).
•
Press
>
. Then press
I
to decrease or
G
to
increase the contrast of the LCD.
•
Press
>
. Then press
F
to increase or
H
decrease
the volume of the speaker.
L
Does the following:
•
Selects test options.
•
Exits Edit mode
Alphanumeric
Keys Provide a 12-key telephone pad so that you can enter
numbers, the asterisk (*), and pound sign (#).
Press
>
,
then press the associated number key to
select an alphabetic character, the decimal, space, or
dash. Press
>
again to exit alphabetic entry mode and
return to number entry mode.
Note
To display an alphabetic character, press
>
,
then continue to press the associated number
key until the desired alphabetic character
appears.