GEMAR Lumitec GLT Audio Column 7 User manual

1
[Hier eingeben]
OPERATIONS MANUAL
GLT Audio Column 7
Code 102903
Introduction:
Congratulations on your purchase of the GLT Audio Column 7 multi-function, engineered and
manufactured by us. The Column 7 includes a high-output compression driver, and 12”woofer that
produces an even and smooth studio quality sound in a sound reinforcement speaker. Our design goal
was to build a speaker with accurate playback, smooth dispersion of mid and high frequencies, and an
ergonomic design for easy transport and setup. The result is a sound reinforcement system dynamic
enough to use at home, in the studio, parties or in a home theater.
Features:
•2-way Active Speaker
•Steel basket woofer
•High wattage powered amplifier
•Auxiliary line input
•High Temperature Voice Coil
• Bluetooth Stereo Pairing
•Built-in DSP Processer
•USB Charging

2
[Hier eingeben]
Important Safety Instructions:
•Read these instructions.
•Keep these instructions.
•Heed all warnings.
•Follow all instructions.
•Do not use this apparatus near water.
•Clean only with dry cloth.
•Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
•Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus
(including amplifiers)
•that produce heat.
•Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding type plug has two blades and a third grounding
prong. The wide blade or the third prong are provided for your safety. If the provided plug does not
fit into your outlet, consult an electrician for replacement of the obsolete outlet.
•Protect the power cord from being walked on or pinched particularly at plugs, convenience
receptacles, and the point where they exit from the apparatus.
•Only use attachments/accessories specified by the manufacturer.
•Use only with the tripod sold with the apparatus.
•Unplug this apparatus during lightning storms or when unused for long periods of time.
•Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does
not operate normally, or has been dropped.
Failing to adhere to the cautions above will void the
manufacturer warranty!

3
[Hier eingeben]
Functions:
1. USB Port.
2. Bluetooth Stereo Function.
3. Power Indicator
4. Limit: Lights up if the loudspeaker system is operating in the clipping
range. A short flash of the LED is not critical. To protect the system,
an excessive signal level is gently turned down by the built-in
limiter. If the limiter LED lights up permanently or for longer periods,
reduce the volume level. Failure to do so many result in a distorted
sound and damage to the speaker system.
5. TREBLE for CH1: Rise or attenuate 12dB at 12kHz
frequency.
6. TREBLE for CH2: Rise or attenuate 12dB at 12kHz
frequency.
7. BASS for CH1: Rise or attenuate 12dB at 80Hz
frequency.
8. BASS for CH2: Rise or attenuate 12dB at 80Hz
frequency.
9. REVERB for CH1: Effect control adjusts the amount of effect on the
particular channel CH 1.
10. REVERB for CH2: Effect control adjusts the amount of effect on the
particular channel CH 2
11. VOLUME for CH1: Channel Volume control adjusts the gain on the
particular channel CH 1
12. VOLUME for CH2: Channel Volume control adjusts the gain on the
particular channel CH 2
13. MIC/LINE Switch for CH1: Use the MIC position when a microphone
is connected. Use the LINE position when a line level source such
as an audio mixing console, audio playback device, or electronic
musical instrument is connected.
14. MIC/LINE Switch for CH2: Use the MIC position when a microphone
is connected. Use the LINE position when a line level source such
as an audio mixing console, audio playback device, or electronic
musical instrument is connected.
15. Main Volume: Overall Volume adjustment. The sub volume is also
adjusted in accordance with the preset volume on the sub volume
controller.
16. Sub Volume: Adjust the overall volume available from
subwoofer.
17. VOLUME for CH3/4: Channel Volume control adjusts the gain on the particular channel
CH3/4.
18. Link Out Selection: Use the MIX position and RIGHT position for Link
out.
19. LINE IN for CH1/2: Use 1/4”jack or XLR connector input balance or
unbalance.
20. LINE IN for CH3/4: Use RCA and 1/4”jack connector input balance or
unbalance.
21. Line Input for CH5/6: Use 6.3mm Jack connector input balance or
unbalance.
22. Link Output: Used for signal connection among other amplified speakers, the signal
comes from Line In.
23. Link IN: Use 1/4”jack connector input balance or unbalance.

4
[Hier eingeben]
24. Power supply Switch.
25. Power Supply Input Connector: Use with power cord.
Warning: Make sure speaker is off and all LEVEL
controls are down (counterclockwise) before
every use.
Connection
1. Connect the output from your signal source (mixing console, microphone, preamp, or other mic- or line-level
source) directly to the INPUT connector on the back of the speaker. It accepts balanced line-level signals from
mixers, preamplifiers, CD players, tape decks, etc., and accepts direct connections from dynamic microphones
through the MIC input.
2. There is also an 1/4”jack Output connector labeled LINK OUT. This allows you to connect more than one Column
7to the output of your sound source. Simply plug an 1/4”jack cable from the Line Out connector of one speaker
to the input connector of another speaker, and so on, daisy-chaining multiple speakers.
3. Turn on your signal source. (Make sure volume is turned down) Turn on Column / Start signal source and adjust
volume controls on the signal source and Column speaker
Bluetooth Pairing instructions:
1. Press and hold Pair button for 3 seconds until speaker beeps and blue pairing
indicator flash's.
2. While pairing light is flashing push quickly once the pairing button again and the Tube 7 name should
appear on your pairing device.
3. Click on TUBE 7 name on your pairing device to complete pairing to
the TUBE 7.
Bluetooth Stereo Function Usage:
1. The PAIR button has the function of Pairing and On-Off. Press and hold it for 3 seconds to turn
on the Bluetooth.
2. Press and release PAIR button on one speaker only, this TUBE 7 will be
left channel.
3. Select TUBE 7 on your device.
4. Press and release STEREO LINK button on each speaker, both speakers should be TUBE 7 and the other
TUBE 7 will be right channel.
5. Press and hold STEREO LINK button for 3 seconds to exit the connection.
NOTE: Only exit after connected successfully.
6. LEDs flash while pairing or linking. LEDs light solid when paired or
linked.
7. To reset pairing and linking, press and hold either button for 2 seconds.
NOTE: Initial pairing or linking may require 1 minute.
Gemar Lumitec SASU
13 Rue Alfred Kastler –ZI
67850 HERRLISHEIM
FRANCE
Tel: [phone]
[e-mail]