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Page 40
ACX1MT
724-746-5500 | blackbox.com
Chapter 4: Configuration
4. Configuration
4.1 Transmission Parameters
The device operates with a proprietary compression method. In its default configuration, the device adapts dynamically to monitor
resolution and image content. This configuration works in almost all conditions. Modify it only if image quality is not fully
satisfactory.
NOTE: In exceptional cases, detached "frame droppings" (loss of single pictures) or color effects can appear.
4.2 DDC Settings
By default, the device sends the factory preset DDC information to the CPU. This information works in most cases.
During normal operation , you can downoad the console monitor’s DDC information (see Chapter 5).
For special requirements, DDC information can be retrieved and uploaded as a binary file at both the CPU module and the CON
module.
Connect your computer with a USB Mini cable to the CPU module’s or CON module’s service port.
You can now access the data area of the unit as a flash drive “Extender.”
Uploading DDC Information
Copy the binary file containing your specific DDC information to the flash drive of the CPU module or CON module.
The current DDC information is replaced.
Retrieving DDC Information
Copy the file "DDC-EDID.bin" on the flash drive of the CPU module to your computer.
To open the binary file, you have to install a suitable software, for example, WinDDCwrite (Download), on your computer.
Reset to Factory DDC Information
Delete the file called “DDC-EDID.bin” on the flash drive of the CPU module. By deleting this file, the factory DDC Information is
restored.
4.3 Command Mode
During normal use, the console keyboard functions in the usual manner. However, for all KVM Extenders with USB-HID support,
you can set the keyboard into a Command Mode by using a specific “hotkey” sequence. While in Command Mode, several
functions are performed via keyboard commands. To exit Command Mode, press <Esc>. While in Command Mode, the LEDs
Shift and Scroll on the console keyboard will flash.
NOTE: In Command Mode, normal keyboard and mouse operation will cease. Only selected keyboard commands are available.
Table 4-1 lists the keyboard commands to enter and to exit Command Mode and to change the hotkey sequence.
Table 4-1. Keyboard commands.
Function Keyboard Command
Enter Command Mode 2x <Left-Shift>/Hotkey
Exit Command Mode <Esc>
Change Hotkey sequence <Left-Ctrl> + <Left-Shift> + <c>, <Hotkey code>, <Enter>