Manuals

Recovery

Welcome to the Recovery Hub for all KLANG devices. Here you’ll find step-by-step guides to help you restore functionalityrevert settings, or recover from misconfigurations across all product lines.

Whether you’re resetting a fixed IP address, restoring factory settings, or recovering a device that fails to boot properly — this page links you directly to the procedure you need.

2nd Generation

:vokal, :konductor, DMI-KLANG, :kontroller

1st Generation

ONLY :fabrik & :vier

Legacy processors (:fabrik & :vier) feature a different recovery method. This guide walks you through restoring KOS, handling corrupt systems, and updating firmware safely.

:quelle XDM

Learn how to activate recovery mode via the front encoder, reset factory settings, or access the web interface for firmware updates and network diagnostics.

Recover a Fixed/Static Dante IP Address

If you’ve accidentally assigned a fixed IP address to a Dante interface and can no longer access the device, this guide explains how to reset the Dante configuration and restore connectivity.

Revert a Fixed/Static Control IP Address

If KOS 5.7+ is installed on the KLANG processor you can revert to DHCP / automatic IP address by pressing the Reset Button twice. For more options see below.

This guide explains what the LED colors mean on a KLANG processor without a display. It helps users understand the network status, connection state, and audio clock validity — even before connecting a KLANG:app.

LED States

These LED states are shown immediately after boot, and if no KLANG:app or console is connected. They are also shown when the connection is timed out, i.e. no active connection to this device has been present for quite some time.
Once connected, the LED becomes solid purple, or it blinks purple/red when the audio sync is not valid.
Diagnostic Mode | Blinking LED StateMeaningNotes
Half-Dim PurpleIP assigned via DHCPDHCP server provided a valid IP
BlueUsing link-local Auto-IPs: 169.254.x.x/16No DHCP, auto-assigned fallback IP
OrangeUsing a user defined Fixed IPManual IP set via KLANG:app or console, other than 192.168.1.200
WhiteUsing Default KOS IP192.168.1.200/16Default fixed IP that works well with default DiGiCo console IP addresses
Pulsing PurpleWaiting for :app/:kontroller/console to connect…Will overlay one of the above colors as base status
Button presses are acknowledged by a yellow LED blink for each button press after the detection of the button press sequence.

Once a KLANG:app or console connects, the LED indicates connection and audio clock status:

Connected LED StateMeaning
Solid Purple✅ Connected to at least one :app, :kontroller or console
Blinking Purple/Red⚠️ Audio clock is invalid (e.g., no sync)
The LED will always default to diagnostic mode after, as long as no app is connected. For network troubleshooting, power cycle the unit and observe the LED before connecting.

Basic Configuration with Reset Button Presses

Reset Button on KLANG processors allows to trigger often used configuration features with minimal GUI.

Button PatternActionNotes
Single Short PressWrite Logs & Backup to USBFlash green (short) to confirm
Long Press (>3s)RebootFlash red → solid red → reboot
Double Short PressRevert to DHCPFlash purple 2x → confirm with dim purple
Triple Short PressSet default fixed KOS IP 192.168.1.200Flash white 3x → confirm with solid white
Five Short PressesEnter Factory Reset modeLED blinks blue/purple rapidly
Then Long PressConfirm Factory Reset + RebootFlash red rapidly before reboot

Revert to Factory Defaults on KLANG Processors

Learn how to perform a factory reset in this dedicated guide.

Admin Password Recovery

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