Functional Overview

Front-Panel Buttons

Refer to Menus beginning on page 2-11 for a description of the menus accessed by pressing the front-panel buttons. Table 2-3 describes the different categories of front-panel buttons.

Table 2- 3: Front-panel buttons

Category

Description

Buttons

 

 

 

Major mode

These buttons change the entire context and content of the LCD display, and

WFM

 

generally function as follows:

VECTOR

 

H Pressing a button selects a mode and opens a menu (for example, pressing

PICTURE

 

GAMUT

 

WFM selects the Waveform display mode and opens the Waveform menu).

 

AUDIO

 

 

 

H The button illuminates to show that the mode is activated.

MULTI

 

STATUS

 

NOTE: The Eye button is functional on WFM700M instruments only.

 

MEASURE

 

 

EYE

 

 

HELP

 

 

CONFIG

 

 

 

Minor mode

These buttons activate a function that works with one or more major modes and

SWEEP

 

generally function as follows:

GAIN

 

H Pressing a button activates a function (if that function is supported in the

CURSOR

 

LINE SEL

 

currently selected major mode) and displays the menu for that function.

 

FREEZE

 

 

 

H The front-panel button illuminates to show that the mode is activated.

DISPLAY

 

INPUT

 

 

 

H Pressing the CLR MENU button clears the function menu from the screen,

PRESET

 

leaving the function active. The major mode button LED will be on, and the minor

 

 

one will be off.

 

 

H Some minor modes like Line Select, Sweep, and Cursor remain active and

 

 

modify the display when their menu is not displayed. In this case, press the front

 

 

panel button once to bring the menu back and then again to exit the mode.

 

 

H Settings selected in Sweep can only be turned off by pressing the SWEEP button

 

 

and using the menu to change modes. The only exception is that when Eye

 

 

display mode is selected, if the instrument is in 2 Line or 2 Field sweep, the

 

 

sweep setting is changed to 1 Line or 1 Field respectively and does not revert

 

 

back when you exit the Eye display mode.

 

 

 

 

Misc.

These buttons perform their function depending on the current mode.

SELECT

 

H Press the SELECT button to make a menu selection.

PRINT

 

CLR MENU

 

 

 

H Press the PRINT button to print the instrument display.

 

 

H Press the CLR MENU button to clear a menu display.

 

 

 

 

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WFM700 Series Waveform Monitors User Manual