Extron electronic DSC 3G-HD A ユーザーズマニュアル

To use any menu:

1. 

Press the Menu button to access the main menu. The menu opens with the Quick Setup menu displayed.

2. 

Press the 



 and 



 buttons repeatedly to cycle through to the desired submenu (each button press outlines the next option). 

3. 

Press the Enter button to access the desired submenu. The first option is outlined in yellow.

4. 

Press the 



 and 



 buttons to cycle through the options of the selected submenu until the desired item is outlined.

5. 

Press the Enter button to select the outlined option (the selected option is highlighted).

6. 

Press the  and  buttons to adjust the values within the option. For the options on the Picture Controls submenu, press the 
right or left arrow button to select the sub-option on the right or left, then press the 



 and 



 buttons to adjust the settings.

7. 

Press Enter to confirm your new values. The yellow highlighting is replaced by the yellow outline on the submenu screen.

8. 

Press the 



 and 



 buttons to move to another submenu option or press the Menu button to exit the submenu. To exit the 

menu system, press the Menu button twice.

Setting Up the DSC 3G-HD A Using the OSD Menu

The 

Quick Setup submenu is displayed when the OSD opens. This submenu contains options from other submenus that you are 

most likely to need when configuring the DSC for the first time. Use the 

Quick Setup submenu to perform a basic system setup 

and get started quickly using the DSC. Select the following options from it as needed:

 

z

Auto-Image™ — Performs an Auto-Image on the video input to adjust the horizontal and vertical size and positioning to 
the selected aspect ratio (fill the screen or follow the input device aspect ratio). To perform an Auto-Image, select this option, 
then press Enter again to initiate the Auto-Image.

 

z

Output Resolution — Lets you select the resolution and refresh rate for the current output from a range of available 
factory-installed rates (see "Output Scaler Rates"). Select the 

Output Resolution submenu, then press the 



 and 



 

buttons to cycle through the available rates.

 

z

Auto Memory — Sets the DSC to automatically save the current input configuration and picture control values according 
to the most recent configuration for each different rate. After selecting 

Auto Memory, press any arrow button to toggle Auto 

Memories on and off.

 

z

Aspect Ratio — Lets you specify how much of the display the image fills. The sub-options are 

Fill (fills the entire screen) 

and 

Follow (uses the aspect ratio of the input). After selecting Aspect Ratio, press any arrow button to toggle between 

Fill and Follow.

 

z

Input Audio Format — Lets you 
select the format of the audio to 
embed in the output. After selecting 
Input Audio Format, press any 
arrow button to cycle through the 
options: 

None (mute the audio), 

Analog (embed analog audio onto the 
HDMI output), 

2CH Digital (select 

one channel pair), 

8CH Digital 

(use first four pairs), and 

SDI Audio 

Decode (select a pair from a group.)

 

z

Test Pattern — Lets you select from 
seven test patterns to aid in setting up 
the DSC and the output display.

Output Scaler Rates

Output rates can be set using the OSD 
menu or SIS commands. The table at  
right gives the rates and their SIS variables 
(see the 

 on page 4).

Output Rate Reset 

If an image cannot be displayed due to an 
incompatible output rate, you can reset  
the output rate as follows:
With the OSD closed, press and hold the 



 button for approximately 5 seconds to 

toggle between 1024x768 @ 60 Hz and 
720p @ 60 Hz. 

SIS Variables for DSC 3G-HD A Resolutions and Refresh Rates (

X2)

 = 11 through 92)

11

14

20

29

32

35

41

47

53

56

58

60

62

64

65

66

67

68

69

70

71

72

73*

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92