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NTI XTENDEX 600 Foot Extenders
Command Mode
Depending upon your unit's date of manufacture, models ST-C5KVM-600, ST-C5KVMA-600 and ST-C5KVMRS-600 may be
enabled with a Command Mode feature to perform the following:
fine adjustment of the general video quality
update DDC information between the monitor(s) and CPU
Most of the video quality adjustment is automatic at power ON, but if some adjustment is necessary, this can be done using the
keyboard attached to the Remote Unit.
DDC information allows the CPU to detect the video capability of your monitor by transferring EDID data from your monitor to the
CPU. DDC information can be updated from either the keyboard at the Local Unit, or at the Remote Unit.
To determine if your extender has this feature, try entering Command Mode (below) from the keyboard attached to the Remote
or Local Unit. If Command Mode is present, the three keyboard LEDs (NumLock, CapsLock, and ScrollLock) will blink at the
same time to indicate entrance into Command Mode. If the feature is not present, then the section "Automatic EDID Updates"
under "Other DDC Support" applies to your KVM extender.
Enter Command Mode
The user can enter Command Mode using any of three different methods;
Method 1 (Effective from the Remote or Local Unit)
1. Press and hold the left <Shift> key
2. Press the right <Shift> key
3. Release both keys
Method 2 (Effective from the Remote Unit only)
Press and release the <Scroll Lock> key twice fast (press twice within 1 second)
Method 3 (Effective from the Remote Unit only)
Press and release the left <Shift> key twice fast, then press and release the <Esc> key once , all within 2
seconds
The three keyboard LEDs (NumLock, CapsLock, and ScrollLock) will blink at the same time to indicate entrance into Command
Mode.
General Video Quality Adjustment
Command Mode opens into General Video Quality Adjustment mode. To fine tune the general video quality, press the <Left
Arrow> or <Right Arrow> keys until the desired improvement in the display has been achieved.
Note: General Video Quality Adjustment mode is provided to improve video quality at the remote monitor. Executing this
mode from Command Mode when using the keyboard attached to the local unit will have no effect.
Update DDC at Remote
To update DDC information based on the monitor connected to the Remote Unit, press <D> to enter Remote DDC information.
The CapsLock LED will illuminate solid, the NumLock and ScrollLock LEDs will be OFF . Press the < Left Arrow> or <Right
Arrow> key to cause DDC information to be updated. When the update is complete (less than one second), the unit will return to
General Video Quality Adjustment mode (the three keyboard LEDs will blink at the same time).
Update DDC at Local
To update DDC information based on the monitor connected to the Local Unit, press <C> to enter Local DDC information. The
CapsLock LED will illuminate solid, the NumLock and ScrollLock LEDs will be OFF . Press the < Left Arrow> or <Right
Arrow> key to cause DDC information to be updated. When the update is complete (approximately seven seconds), the unit will
return to General Video Quality Adjustment mode (the three keyboard LEDs will blink at the same time).
Note: It is recommended that the monitors connected to the Remote and Local units be of the same make and model.
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