KD-ZRC300 - Controller Key Digital - Free user manual and instructions
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| Product Type | AV Controller |
| Brand | Key Digital |
| Model | KD-ZRC300 |
| Dimensions (W x H x D) | 17.3 x 1.7 x 6.7 inches (44 x 4.3 x 17 cm) |
| Weight | 2.5 lbs (1.13 kg) |
| Power Supply | 5V DC, 2A (external power adapter) |
| Connectivity | Ethernet (RJ-45), RS-232, IR input, IR output |
| Control Protocol | TCP/IP, UDP, Serial |
| Supported Devices | Key Digital HDBaseT, HDMI switches, scalers, and more |
| Main Functions | Remote control, automation, macro creation, firmware updates |
| Mounting | 1U rackmount (brackets included) |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Storage Temperature | -4°F to 140°F (-20°C to 60°C) |
| Humidity | 10% to 90% (non-condensing) |
| Maintenance | Clean with soft dry cloth; avoid liquids |
| Safety | Use in dry indoor environment; do not expose to moisture |
| Spare Parts & Repairability | No user-serviceable parts inside; contact Key Digital for service |
| Warranty | 3 years (limited) |
| General Information | Firmware upgradable via Ethernet; designed for professional AV systems |
Frequently Asked Questions - KD-ZRC300 Key Digital
How do I connect the KD-ZRC300 to my network?
Connect an Ethernet cable from your router or switch to the RJ-45 port on the back of the controller. Ensure your network supports DHCP or assign a static IP via the front panel or web interface.
Can I control the KD-ZRC300 via IP?
Yes, the controller supports TCP/IP and UDP protocols. Use the IP address (default DHCP) and port 5000 for commands. Refer to the API documentation for command syntax.
How do I update the firmware?
Download the latest firmware from the Key Digital website. Access the web interface via the controller's IP address, navigate to 'Firmware Update', and upload the file. Do not power off during update.
What is the default IP address?
The default is DHCP-enabled. Check your router's client list or use the front panel LCD to view the assigned IP. If no DHCP, the fallback is 192.168.1.100.
How do I create a macro?
Use the built-in macro editor via the web interface or serial commands. Macros can sequence multiple actions (e.g., switch inputs, adjust volume) triggered by a single command or event.
Can I use the KD-ZRC300 with third-party devices?
Yes, it supports RS-232 and IR control. Program the controller to send the appropriate serial strings or IR codes for your device. Check the device's manual for protocol details.
How do I reset the controller to factory defaults?
Press and hold the 'Reset' button on the rear panel for 10 seconds using a paperclip. The LCD will show 'Factory Reset'. All settings will be lost.
What is the maximum distance for IR control?
The IR output can drive up to 50 feet (15 meters) of IR wire. For longer distances, use an IR distribution amplifier.
Why is my controller not responding to commands?
Check the Ethernet cable connection and power LED. Verify the IP address is correct and the device is on the same subnet. Try a ping test. If using RS-232, check baud rate (default 115200).
Does the controller support PoE?
No, the KD-ZRC300 requires an external 5V DC power adapter. PoE is not supported.
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USER MANUAL KD-ZRC300 Key Digital
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Product information
Brand : Key Digital
Model : KD-ZRC300
Category : Controller