Douk Audio L3 RCA Audio Switch User Manual

Okwu mmalite

The Douk Audio L3 is a versatile 3-channel RCA audio switcher designed to manage multiple audio sources and outputs. It supports both 1-input to 3-output and 3-input to 1-output configurations, allowing for flexible audio system integration. Key features include dual customizable VU meters for real-time audio level display, a remote control for convenient operation, and a bypass function for comparing audio effects. The unit is built with advanced circuitry to ensure high-quality sound transmission and features a durable all-metal casing for superior shielding.

Douk Audio L3 RCA Audio Switch with VU meters

Foto: N'ihu view of the Douk Audio L3 RCA Audio Switch with illuminated VU meters.

Ntuziaka nhazi

Follow these steps to correctly set up your Douk Audio L3 RCA Audio Switch.

1. Njikọ ike

Jikọọ eriri USB enyere na POWER IN (5VDC 1A) port on the rear panel of the L3 unit.
Plug the other end of the USB cable into a compatible 5VDC 1A USB power adapter (not included) or a USB port on a device that can supply sufficient power.

2. Njikọ ọdịyo

The L3 supports multiple configurations. Ensure all audio cables are securely connected to the correct RCA ports.

Close-up of RCA input ports on Douk Audio L3

Foto: nso nso view of the RCA input ports (IN) on the rear panel.

2.1. 3-IN-1-OUT Mode

Use this mode to connect up to three audio sources to a single amplifier or active speaker system.

Connect your audio sources (e.g., PC, CD player, MP3 player) to the IN ports of Channels 1, 2, and 3 (labeled RETURN 1, RETURN 2, RETURN 3).
Jikọọ gị amplifier or active speakers to the Mpụ ọdụ ụgbọ mmiri.
In this mode, only one input channel can be active at a time. The VU meters may not function in this configuration.

2.2. 1-IN-3-OUT Mode

Use this mode to connect a single audio source to up to three different amplifiers ma ọ bụ na-arụ ọrụ ọkà okwu.

Jikọọ isi iyi ọdịyo gị na IN ọdụ ụgbọ mmiri.
Jikọọ gị amplifiers or active speakers to the Mpụ ports of Channels 1, 2, and 3 (labeled SENT 1, SENT 2, SENT 3).
In this mode, only one output channel can be active at a time. The VU meters may not function in this configuration.

2.3. Loop Mode (for Preamps, Equalizers, Effectors)

This mode allows you to integrate up to three external audio processors (preamps, equalizers, effectors) into your audio chain.

Connect your main audio source to the IN ọdụ ụgbọ mmiri.
For each loop (Channel 1, 2, or 3):

Jikọọ Zigara port of the channel to the input of your external audio processor.
Connect the output of your external audio processor to the laghachi port of the same channel.

Jikọọ gị amplifier or active speakers to the Mpụ ọdụ ụgbọ mmiri.
This configuration allows you to switch between different audio processing chains or bypass them. The VU meters are typically active in this mode.

Diagram showing 3 channel audio loop with bypass connections

Image: Diagram illustrating the connections for 3-channel audio loop and bypass modes.

Diagram showing 1-in-3-out and 3-in-1-out connection modes

Image: Connection diagrams for 1-IN-3-OUT and 3-IN-1-OUT modes.

Ntuziaka ọrụ

Learn how to use the various functions of your Douk Audio L3.

1. Switching Channels

Use the numbered buttons (1, 2, 3) on the front panel to select the desired audio channel. The active channel's button will illuminate.
Alternatively, use the corresponding numbered buttons on the remote control to switch channels.

2. VU Meter Operation

The dual VU meters display the real-time audio signal level. The backlight color and brightness are adjustable.

Customizable VU meter and remote control features

Image: Illustration of VU meter color and brightness adjustment options.

2.1. Adjusting Backlight Color and Brightness

Chọta ebe ahụ VU Meter color adjustment knob on the rear panel (next to the POWER IN port).
Rotate this knob to cycle through different backlight colors for the VU meters.
Use the brightness control buttons on the remote control (sun icon) to adjust the intensity of the backlight.

3. Ọrụ ngafe

The bypass function allows you to instantly switch between the processed audio signal (through the loops) and the original, unaltered signal.

Pịa Gafefe button on the remote control to activate or deactivate the bypass mode.
When bypass is active, the audio signal from the IN port is routed directly to the Mpụ port, bypassing any connected external processors in the loops.

4. Remote Control

The included remote control provides convenient access to channel switching, VU meter brightness, and bypass functions.

Image: The Douk Audio L3 unit shown with its remote control.

Vidiyo ngwaahịa ngwaahịa

Video: This official video demonstrates the Douk Audio L3 3-channel audio switch, showcasing its VU meters and various functionalities.

Nlekọta

Proper care will ensure the longevity and optimal performance of your Douk Audio L3.

Nhicha: Use a soft, dry cloth to wipe the exterior of the unit. Avoid using liquid cleaners or abrasive materials, as they may damage the finish or internal components.
Igwe ikuku: Ensure the unit is placed in a well-ventilated area to prevent overheating. Do not block the ventilation slots on the sides of the device.
Nchekwa: Mgbe a naghị eji ya ruo ogologo oge, debe ya n'ebe dị jụụ ma kpọọ nkụ, ebe anwụ na-anaghị apụta kpọmkwem ma ọ bụ oke okpomọkụ.
Njikọ: Periodically check all RCA and power connections to ensure they are secure and free from corrosion.

Close-up of ventilation slots on Douk Audio L3

Foto: nso nso view of the ventilation slots on the side of the Douk Audio L3 unit.

Nchọpụta nsogbu

If you encounter issues with your Douk Audio L3, refer to the following common problems and solutions.

Enweghị mpụta ụda:
- Ensure the unit is powered on and the indicator light for the selected channel is illuminated.
- Verify all RCA cables are securely connected to the correct input and output ports.
- Check the volume levels on your audio source and connected ampndị na-ekwu okwu.
- If using Loop mode, ensure external processors are powered on and functioning correctly. Try bypassing the loops to see if sound returns.
Static or Hum in Audio:
- Ensure all audio cables are high-quality and properly shielded.
- Lelee maka njikọ adịghị mma.
- Verify the power supply is stable and meets the 5VDC 1A requirement.
- The L3 has a built-in power isolation circuit to reduce common ground noise; however, ensure all connected devices are properly grounded.
VU Meters Not Responding or Stuck:
- Ensure there is an active audio signal passing through the unit.
- Confirm the unit is in a mode where VU meters are designed to be active (typically Loop mode or 3-in-1-out with a single active output). In some 1-in-3-out configurations, the VU meters may not display activity.
- Gently tap the unit to see if a stuck needle frees up. If the issue persists, power cycle the device.
- Check the VU meter backlight color and brightness settings.
Njikwa anya anaghị arụ ọrụ:
- Ensure the remote control has fresh batteries and they are inserted correctly.
- Point the remote directly at the IR receiver on the front panel of the L3 unit.
- Remove any obstructions between the remote and the unit.
No Volume Control:
- The Douk Audio L3 is an audio switcher, not a preamplifier with volume control. Volume adjustments must be made on your connected audio source or ampna -emegharị ihe.

Nkọwapụta

Nọmba nlereanya	L3 (XX-L3)
Akụkụ ngwaahịa	4.65 x 7 x 2.17 sentimita (11.8 x 17.8 x 5.5 cm)
Ibu Ibu	1.59 pound (0.72 n'arọ)
Onye nrụpụta	Douk Audio
Ụdị USB	USB (maka ike)
Ọnụọgụ nke ọdụ ụgbọ mmiri	3 (RCA channels)
Ntinye/mmepụta	RCA Stereo L/R
Ntinye ike	5VDC 1A

Image: Dimensions of the Douk Audio L3 unit.

Akwụkwọ ikike na nkwado

For warranty information and technical support, please contact Douk Audio directly through their official webebe nrụọrụ weebụ ma ọ bụ onye na-ere ahịa nke ị zụtara ngwaahịa ahụ n'aka ya. Debe risit ịzụrụ ihe gị dị ka ihe akaebe nke ịzụrụ ihe.

	Akwụkwọ ntuziaka onye ọrụ Douk Audio SP102 Passive Audio Selector Akwụkwọ ntuziaka maka Douk Audio SP102 passive audio selector, na-akọwa atụmatụ ya, ọrụ ya, nkọwapụta ya, na ozi kọntaktị ya. Na-akwado 200W kwa ọwa na ọtụtụ ngwaọrụ. ampnhazi lifia/ọkà okwu.
	Akwụkwọ ntuziaka Douk Audio Little Bear MC102/MC1022 Audio Selector Akwụkwọ ntuziaka onye ọrụ maka Douk Audio Little Bear MC102 na MC1022 ndị na-ahọrọ ọdịyo, na-akọwapụta atụmatụ ha, ojiji ha na nkọwapụta maka nhazi 2-in-1-out na 1-in-2-out.
	DOUK Audio Lepy 168 Plus Bluetooth Ampihe mkpuchi maka ụlọ na ụgbọ ala \| Hi-Fi Stereo USB/AUX/RCA Chọpụta DOUK AUDIO Lepy 168 Plus, ike Bluetooth nke ọwa 2.1 dị iche iche. ampe mere lifia maka iji ụlọ na ụgbọ ala. Stereo Hi-Fi a dị obere amplifier na-enye mmepụta zuru oke nke 90W, ọtụtụ ntinye (USB, SD, AUX, RCA), yana ọrụ njikwa anya. Gụnyere nkọwapụta zuru ezu na ntuziaka ojiji.
	Akwụkwọ ntuziaka onye ọrụ Douk Audio MC1023/MC1024/MC1024-BOX 2-Way Audio Switcher Akwụkwọ ntuziaka onye ọrụ zuru oke maka Douk Audio's MC1023, MC1024, na MC1024-BOX 2-way ọkà okwu na ụda olu ekweisi. Njirimara gụnyere nhọrọ ntinye A/B, njikwa olu, na imechi igwe okwu. Nhazi nkọwa, parampat na ozi kọntaktị.
	Otu obere agba MC104 PRO 4-way Analog Audio Switcher Igbe - Ngwaahịa gafereview gafereview nke One Little Bear MC104 PRO 4-way Analog Audio Switcher Box site na DOUK AUDIO. Ngosipụta 4-IN-1-OUT na 1-IN-4-OUT nhọrọ ọdịyo nwere oghere 3.5mm AUX, ime ihe na-agafe agafe, yana ntụgharị ọwa kwụụrụ onwe ya.
	Douk Audio VU2: VU Mita na-arụ ọtụtụ ọrụ na ntuziaka onye ọrụ nkesa ọdịyo Ntuziaka zuru oke maka Douk Audio VU2, mita analog VU na-eme ihe na ụzọ 4 nke nkesa ọdịyo. Mụta maka atụmatụ ya, ntuziaka ojiji, yana nkọwa nka maka ịkwalite ntọlite ọdịyo gị.

Douk Audio L3