Справочник Пользователя для Extron electronic DSC 3G-HD A

Locking the Front Panel (Executive Mode)

To prevent access by unauthorized users or accidental changes to the DSC settings, you 
can lock the front panel controls by placing the DSC in executive mode. In this mode, all 
front panel buttons are disabled and control is available only by SIS commands. 
To lock the front panel, do either of the following:

• 

Press and hold the front panel Menu and 



 buttons until the OSD displays the 

message Executive Mode Enabled (approximately 5 seconds). The message remains 
on the OSD approximately 2 seconds.

• 

Enter the 

Enable

 SIS command (see the 

To unlock the front panel, do either of the following:

• 

Press and hold the front panel Menu and 



 buttons again until the OSD displays 

the message 

Executive

 

Mode

 

Disabled

 (approximately 5 seconds). The message 

remains on the OSD approximately 2 seconds.

• 

Enter the 

Disable

Resetting

Resetting the unit causes various settings to revert to the defaults that were set at 
the factory. Resets can be performed from the front panel buttons, the OSD, or SIS 
commands. The following resets are available:

• 

Factory defaults: This reset clears all user-specified settings but retains the latest 
firmware version. You can perform this reset by:

• 

Selecting 

Factory

 

Reset

 from the 

Advanced

 submenu of the OSD (see the 

Advanced

 submenu on page 33) 

• 

Entering the 

Reset

 

all

 

device

 

settings

 

to

 

factory

 

default

 SIS command 

(see the 

 on page 60)

When the reset is complete, the message 

Factory

 

Reset

 is displayed on the OSD.

• 

Factory Firmware: This reset returns the unit to its factory default settings, including 
the original firmware with which it was shipped. All user settings are cleared. 
To perform this reset, press and hold the Enter button for 20 seconds while applying 
power to the unit. When the reset is completed, the message 

Firmware

 

Reset

 

appears on the OSD. 

NOTE:  The Firmware Reset and Factory Reset messages are displayed for 1 minute 

after the reset to allow time for the display device to sync with the DSC output.