Chapter 2
16
Greenlee / A Textron Company
Controls
All operator controls are pushbuttons.
1
4
5
2
3
Figure 2-1: TV220 Front Panel Controls
1.
POWER Button:
This button turns the TV220 on and off.
2. HELP
Button:
Press
HELP
to display detailed information on the current display and the
operation of the controls. The help displays are context-sensitive popup windows that
overlay the current display when you press the
HELP
button. You can access detailed
information for all menus, displays, and functions of the instrument by pressing
HELP
.
Press
HELP
a second time to remove the help display.
In selected menus, Lesson softkeys are available that provide tutorials about using the
TV220, Auto TDR, Manual TDR, cable selection, saving, and transferring data.
3. TESTWIZARD
Button:
TestWizard is one of three ways to test a cable. TestWizard is
a quick and easy way to run a test. Press
TESTWIZARD
to start a test at any time, no
matter what menu you are in.
4. Scroll
Controls:
The arrow buttons serve the functions of moving the cursor left and
right across the displayed waveform or changing values (
WX
), scrolling through a menu
or changing values (
ST
), and scrolling pages (
6
+
ST
).
5. Softkeys:
There are six softkeys across the bottom of the LCD and two on the right side.
These are called softkeys because their labels are displayed on the LCD. Their functions
vary according to the instrument function. Softkeys are used to 1) change functions or
modes, 2) select a menu item, and 3) turn functions on and off.
Softkey explanations are found within each description of the display types in this manual,
or by pressing
HELP
and then the softkey.
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