JDS Uniphase SmartClass VDSL, Руководство пользователя

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Chapter 2 Quick Tour
Exploring the front panel
6 SmartClass VDSL Tester User’s Guide
Exploring the front panel
The controls and LEDs on the SmartClass front panel, shown in Figure 1 , are
used to operate the unit, set up tests, and view data.
The following paragraphs describe each of the controls and LEDs on the front
panel.
Status LEDs
These indicators report the status of the unit. The function of each LED is
described in
“LEDs” on page 20 .
LCD
The LCD is a 240 x 160 pixel transflective black and white display with contrast
control and backlight.
Cancel key
Use the Cancel key to exit a menu without changing your settings, or to return
to the previous menu.
OK key
Use OK to accept a changed setting or to proceed to the next menu.
Arrow keys
Use the arrow keys to navigate through menu selections.
Figure 1 SmartClass VDSL Services Tester front panel
LCD
Status LEDs
Arrow keys
Power key
Keypad
OK key
Cancel key
Backlight key