Extron electronics QSD 204, Руководство пользователя

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Installation and Operation, cont’d
QSD 204 • Installation and Operation 2-8
Blanking control button — This button controls the blanking adjustment
on the display. To remove noise or extraneous material, such as closed
captioning, remove scan lines at either the top or bottom of the screen.
Rotate the Adjust horizontal
( ) knob to adjust the top blanking from 0 to
127 lines (the default is 0). Rotate the Adjust vertical ( ) knob to adjust the
bottom blanking from 0 to 127 lines (the default is 0). See the “Image
adjustments” section in this chapter.
Menu button
7
Menu button — Use this button to enter and move through the main menu
system in the QSD 204. See the “Menus, Configuration, and Adjustments”
section in this chapter for details.
Next button
8
Next button — Use this button to step through the submenus in the QSD
204 menu system. See the “Menus, Configuration, and Adjustments”
section in this chapter for details.
LCD menu display and controls
9
LCD — Displays configuration menus and status information. See the
“Menus, Configuration, and Adjustments” section in this chapter for
details.
10
Adjust horizontal ( ) knob — In the menu system, rotate this knob to
scroll through menu options and make adjustments.
11
Adjust vertical ( ) knob — In the menu system, rotate this knob to scroll
through menu options and make adjustments.
12
Infrared sensor — This sensor is used to receive infrared (IR) signals from
the IR-901 remote control. See the “IR 901 Infrared Remote Control” section
in this chapter.