DEM 30 - Earplug DB Technologies - Free user manual and instructions

USER MANUAL DEM 30 DB Technologies

EMI CLASSIFICATION According to the standards EN 55032 and EN 55035 this equipment is designed and suitable to operate in class B electromagnetic environments.

SIMPLIFIED EU DECLARATION OF CONFORMITY

1. Read these instructions

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including

ampliers) that produce heat.

9. 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 t into your outlet, consult an electrician for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and

the point where they exit from the apparatus.

11. Only use attachments /accessories specied by the manufacturer.

12. Use only with the cart, stand tripod, bracket, or table specied by the manufacturer, or sold with

the apparatus. When a cart is used, use caution, when moving the cart/apparatus combination to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for long periods of time.

14. Refer all servicing to qualied 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 has been exposed to rain or moisture, does not operate normally, or has been dropped. ADDITIONAL SAFETY INSTRUCTIONS:

• No naked ame sources, such as lighted candles, should be placed on the apparatus

• Do not use the apparatus in tropical climates

92.5 (± 3) dB [@ 1 kHz, 1 mW]

WELCOME! PRODUCT OVERVIEW USER REFERENCE Thanks for purchasing a product designed and developed in Italy by dBTechnologies! This frequency modulation wireless in-ear monitor system is the result of a long experience in the radio transmission eld applied to the audio eld. It uses optimised solutions for an easy conguration and robustness of use. DEM 30 is a user-friendly and high-quality wireless in-ear monitor system. The frequency range is: 823-832 MHz + 863-865 MHz. 96 channels in total are available to the user. To make the most of your DEM30 system, we recommend that you:

• read the quick start user manual included in the package and this user manual thoroughly and keep this manual during the whole life of the product.

• Register your product at http://www.dbtechnologies.com under “SUPPORT”.

• keep proof of purchase and WARRANTY (User manual “section 2”).15 DEM 30 IEM Code 420120320 REV. 1.0 English CONTENTS The package contains:

• Antenna with BNC connector

• Earphones DEM 30E with interchangeable buds

• Pair of LR6 AA batteries

• Adapter kit for 2x19” rack

• Paper documents Before using the system, insert the antenna by screwing in the BNC connector on the DEM 30T transmitter, as shown.

The receiver has the following controls on the front:

1. Headphone connector

2. Headphone level selector

The following are on the back:

DEM 30R receiver: A 3.5 mm mini-jack connector B On/off button - volume control C Display D UP/DOWN buttons E Battery compartment cover F SET button (inside the battery compartment) G ESC button (inside the battery compartment)

4. FUNCTIONS AND DISPLAY

The sequence for selecting and increasing the values for the receiver is as follows: - Hold SET depressed for a few seconds to select the parameters that can be edited. - The rst parameter, according to a preset sequence, starts ashing. - Use the relevant UP/DOWN arrows of the receiver to increase/decrease (or select ON/OFF, depending on the parameter) the value concerned. - It is possible to either quit the sequence by pressing ESC or continue to edit parameters. A quick view of the parameters shown in the transmitter and receiver displays is shown below: The sequence for selecting and increasing the values for the transmitter is as follows: - Hold SET depressed for a few seconds to select the parameters that can be edited. - The rst parameter, according to a preset sequence, starts ashing. - Use the relevant arrows to increase/decrease the value of the parameter concerned.19 DEM 30 IEM Code 420120320 REV. 1.0 English

PROBLEM POSSIBLE SOLUTION

The receiver does not turn on • Make sure power is present upstream of the system, verify the proper connection of the wiring, and repeat the activation procedure. The transmitter does not turn on • Check that the batteries are properly inserted and charged; replace them if necessary. Repeat the activation procedure. The mixer does not receive the audio signal

• Check the wiring and the input level on the receiver. Repeat the sync procedure if necessary.

92.5 (± 3) dB [@ 1 kHz, 1 mW]

Earphones: interchangeable, 3 pairs Cable length: ≈ 1,300 mm Frequency response: 50 Hz - 15 kHz (± 3 dB) Input: stereo 3.5 mm mini-jack type Controls: Volume, up, down, ESC, set Power supply: 2 AA batteries LR6 1.5 V Dimensions (mm) [inches]: 64 x 90 x 23 [2.51” x 0.91” x 3.54”] Weight (g) [oz]: 95 [0.09] Available bands: 823-832 MHz / 863-865 MHz Channels: 96 (8 groups of 12 channels each) Frequency response: 60 Hz - 15 kHz (± 3 dB) Front panel: Headphone volume, input level, SET, up, down Rear panel: PAD switch Dimensions (mm) [inches]: 212 x 44 x 96 [8.34” x 1.73” x 3.77”] Weight: (g) [oz] 560 [19.7]

92.5 (± 3) dB [bei 1 kHz, 1 mW]

PROBLÈME SOLUTION POSSIBLE

92.5 (± 3) dB [@ 1 kHz, 1 mW]