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WFM90D and WFM91D Service Manual
2-7
Functional Overview
This section describes the WFM90D and WFM91D controls and connectors.
Keypad Controls
The keypad (front panel) is illustrated in Figure 2--6.
ON. The ON button toggles the instrument power on and off. The current
instrument keypad and menu selections are saved when you turn off the
instrument using this button. The instrument configuration is not saved if the
power source is removed before you turn off the instrument with this button.
WFM. Pressing the WFM button enters the Waveform display mode.
VECT. Pressing the VECT button enters the Vector display mode.
AUDIO. Pressing the AUDIO button enters the Audio display mode.
PIX. Pressing the PIX button enters the Picture display mode.
WIP. Pressing the WIP button enters the Waveform-in-Picture display mode.
The previously selected display mode, other than P icture, is shown in a
1/4-screen-sized window that overlays the Picture display.
Power Switch
Display Mode Select ion