BTCLS928 - Audio JUNG - Free user manual and instructions

Product Type	Bluetooth Connect with sensor buttons
Brand	JUNG
Model	BTCLS928
Category	Audio
Dimensions (approx.)	80 x 80 x 50 mm (flush-mounted)
Weight (approx.)	0.3 kg
Power Supply	AC 230 V, 50/60 Hz
Power Consumption Standby	0.37 W
Power Consumption Operation	< 4.00 W
Bluetooth Profiles	A2DP, AVRCP
Number of Stored Audio Sources	6
Speaker Output	2 x 2.5 W (40 Ω impedance)
Line-Out (AUX)	Impedance 470 Ω, output level 1 V
Frequency Range	20 ... 15000 Hz (-10 dB)
Degree of Protection	IP 20
Ambient Temperature	0...+50 °C
Humidity	15% ... 90% (no condensation)
Material	Solid glass front
Maintenance	Wipe with a dry cloth; do not use cleaning agents
Safety	Installation by qualified electrician; disconnect power before working
Spare Parts / Repairability	No user-serviceable parts; contact JUNG for service

Frequently Asked Questions - BTCLS928 JUNG

How do I turn on the JUNG BTCLS928?

Touch the lower area of the cover to reveal the sensor buttons, then press the power button. The device automatically connects to the last paired audio source.

How do I pair a Bluetooth device?

Ensure the Bluetooth Connect is on. Activate Bluetooth on your smartphone or MP3 player and search for 'BTC...' (or similar). Pair when prompted. Up to 6 devices can be stored.

Can I connect multiple speakers?

Yes, you can connect one or two JUNG LSM loudspeaker modules. If only one is used, the device automatically switches to mono mode.

How do I delete all paired devices?

Press and hold the pause button for more than 10 seconds. All taught-in audio sources will be deleted from the Bluetooth Connect.

What should I do if there is no sound?

Check that the device is powered on and the Bluetooth source is connected. Ensure volume is up and speakers are properly connected. Verify polarity of speaker wires.

Can I use the line-out (AUX) with an external amplifier?

Yes, the line-out provides a 1 V audio signal at 470 Ω impedance. You can connect it to an external amplifier or active speakers.

Is the device compatible with non-JUNG speakers?

Only if the technical data (impedance 40 Ω, power rating 2.5 W) matches the JUNG LSM. Use of incompatible speakers may damage the device.

How do I clean the glass front?

Wipe with a soft, dry cloth. Do not use abrasive cleaners or solvents as they may damage the surface.

Can I install the BTCLS928 outdoors?

No, it is only suitable for dry indoor rooms (IP20). Do not expose to moisture or extreme temperatures.

Why does the device not find my Bluetooth source?

Ensure the source is within range (typically 10 meters) and not paired with another device. If the issue persists, delete all connections and re-pair.

USER MANUAL BTCLS928 JUNG

Bluetooth Connect BTC...

Operating instructions

Description of device

The JUNG Bluetooth Connect BTC... consists of an operating cover and a flush-mounted power supply. The audio source (e.g. smartphone or MP3 player) is connected and the device is operated via the operating cover. The device is operated and set up via 8 sensor buttons.

The connections for mains voltage, loudspeakers and audio output are available on the power supply unit. The Bluetooth Connect can be operated with one or two loudspeaker modules LSM...

The music signal is transmitted via Bluetooth, amplified internally and output to loudspeakers or an external amplifier. The tracks and volume can be changed via sensor buttons. Up to 6 audio sources can be taught in, from which one audio source can be connected actively with the Bluetooth Connect.

Safety instructions

Electrical equipment must only be installed and assembled by qualified electricians. Failure to comply with these instructions may result in damage to the device fire or other hazards. This product is only intended for use in dry rooms. These instructions are an integral part of the product and must remain with the end customer.

Operation

The lower half of the cover is used for operation. All operations are made via 8 sensor buttons. In standby mode the buttons are hidden and are displayed each time you touch the lower area.

Switching on / Switching off

The Bluetooth Connect is switched on and off here (standby)

Note: After switching on, the Bluetooth Connect connects automatically to the last audio source if it can be reached. If the source is not available, e.g. because it is not within range, the next audio source is connected. The Bluetooth Connect attempts to reach the taught-in audio sources in the sequence they were taught in.

While searching for the connection, the button illumination time brighter and darker. The plushels start automatically demanding on the device tube / device

Bluetooth

Connect

BTC...

Pause

With a press of a button, the playback of the connected audio source is interrupted.

Deleting connections

With a long press of a button (> 10 s), all previously taught-in audio sources are deleted from the Bluetooth Connect.

Intended use

• Installation in a flush-mounted device box according to DIN EN 49073 (recommended: deep box)
• Bluetooth Connect for audio output in conjunction with a playback device and for media control

Product characteristics

• Bluetooth Connect with sensor buttons
• Solid glass front
• Stereo playback
• Connecting terminals for two loudspeakers
• Stereo/mono change over
• Easy operation
  • High reception quality
• Integrated amplifier
  • Storage of 6 audio sources
• Switching on with the last audio source
• Switching on with the last volume
• Extension unit input

Installation

Technical line drawing of a mechanical device with no visible text or symbols

The Bluetooth Connect BTC... has been designed for installation in device boxes DIN EN 49073.

The connections for mains voltage, loudspeakers and the audio output are located on the flush-mounted power supply unit. The operating cover together with the frame are mounted onto the power supply unit.

Connecting an extension unit

The extension unit connection (1) is used to switch the Bluetooth Connect on/off via switches, e.g. together with the light. The extension unit input may only be operated on the same phase.

Before carrying out work on the device, disengage all the corresponding circuit

Cleakers. Cover up live parts in the working environment. Within the device

box, all the cables carrying low voltages must have an insulating hose in order

to guarantee protective separation.

Connecting a loudspeaker

The device is intended for operation with one or two loudspeaker modules LSM.... The connection cable can be up to 5 m long.

In stereo mode, both outputs (L+R) are used. The device detects autonomously if only one loudspeaker is used and then changes its operating mode to mono.

The correction of several loudspeakers per output is not permitted.

Loudspeakers of other manufacturers may only be used if the technical data is identical with the JUNG LSM.

Please observe the polarity.

Technical data

Rated voltage: AC 230 V --

Frequency: 50/60 Hz

Power consumption in standby 0.37 W

Power consumption in operation: <4.00 W

Ambient temperature: 0...+50°C

Atmospheric humidity 15% ... 90%

no condensation

Bluetooth: A2DP, AVRCP

Degree of protection: IP 20

Connection Screw terminals

1×1.5 mm² or 1×2.5 mm²

Connecting cable loudspeaker

Twin cable H03VH-H 2 x 0.75 mm²

alternative.

JY-(St)-Y2x2x0.6

Length max. 5 m

Loudspeaker LSM.

Rated load capacity 2.5 W

Impedance: 40

Frequency range 20 ... 15000 Hz (-10 dB)

Line-out (AUX)

Impedance: 470Ω

Output level 1V

is a trademark of the

both SIG, Inc.