MIKAFON DP Series Manuel utilisateur

USER MANUAL

DP4500

FULL DIGITAL POWER AMPLIFIER

1. Safety & Security 3

2. DP4500 Power Amplifier 5

2.1. Front Panel 5

2.1.a. LCD Screen 6

a. Volume Settings 6

b. Equalizer Settings 6

c. Crossover Settings 6

d. Output Voltage Settings 7

e. Matrix Settings 7

f. General Settings 7

2.2. Rear Panel 8

2.2.a. Web Interface 9

i. Installation Instructions 9

ii. Interface Manual 10

a. Volume Control Menu 10

b. LowPass & HighPass Menu 11

c. Equalizer Menu 12

d. Audio Matrix Menu 13

e. Output Voltage Menu 14

f. Adjustable Archive Menu 15

3. App Manual 16

4. Technical Specifications 17

5. Block Diagram 18

6. Warranty 19

Table of Contents

IMPORTANT NOTICES

•Before nstallng and usng the devce, please read ths manual carefully

and keep t for further use.

•Ths manual s an ntegral part of the product. It should be gven to the new

owner n order for them to know the nstallaton, operaton and safety

nstructons.

•Improper nstallaton of the devce removes the responsblty of the

manufacturer.

WARNING

•To avod the rsk of fre and electrc shock, never expose ths equpment to

ran or mosture!

SAFETY PRECAUTIONS

1. Please read the nstructons carefully, as they contan mportant nformat-

on.

2. The voltage of the power supply of ths devce has hgh values, whch

creates a rsk of electrc shock. For ths reason, never nstall, connect or

dsconnect ths product whle the power supply s connected.

3. The metal parts of the product are grounded wth an electrc cable. If the

electrcal outlet that supples electrcty s not grounded, call a qualfed

electrcan who wll ground the product through the termnal.

4. To prevent damage to the cable, make sure the power supply cable s not

crushed or broken.

5. To avod the rsk of electrc shock, never open the product: there are no

user fxable parts nsde.

6. Make sure that foregn bodes or lquds do not come n contact wth

speakers, as ths may cause short crcut.

7. Never try to perform repars whch are not mentoned n ths manual.

Contact the authorzed servce center or hghly qualfed personnel f;

a. The product s not operatng (or abnormally operatng),

b. Serous damage s done to the power supply cord,

c. Foregn bodes or lquds get nto the product,

d. The product s exposed to heavy mpact.

8. Turn off the product, f not used for a long tme and dsconnect the power

supply cord.

9. If the product emts a strange odor or smoke, turn off mmedately and

dsconnect the power supply cord.

PRECAUTIONS

•Do not cover ventlaton of the product.

•Do not allow amplfer to operate wth an excessve load for a long tme.

• Tghten the screws on the speakers frmly to guarantee safe contact.

• Do not use thnner, alcohol or other volatle substances when cleanng

CAUTIONS RELATED TO THE USE OF ELECTRICAL LINE

• When pluggng and unpluggng the power cord, t should be held frmly to

avod rsk.

• In case t won’t be used for a long tme, the plug of the unt should be

unplugged to cut off the electrcty.

• To avod damagng the power cord, do not break, pull or harm the cord

wth sharp and ponty materals. Use a grounded socket.

POSITIONING

• It should be placed wth t’s sdes and back 1 meter away from the wall and

should not be placed n the followng envronments;

• Humd envronment

• Under drect sunlght and other strong heat emtters

• Envronments wthout ventlaton

CONTROL OF THE UNIT

• Make sure that the power supply s turned off, that the power supply and

the other devces and lnes connected wth ths unt are dsconnected from

the power supply.

• Do not remove ths unt. Do not attempt to dsassemble and fx ths devce

yourself. Otherwse there may be a rsk of electrc shock or fre. If you can’t

solve the problems wth the methods outlned later n ths manual, you

should call a qualfed techncan or consult our company. Enforcng the

system could may electrcal shock or fre.

CLEANING

• When ths unt needs to be cleaned, use a clean damp cloth etc. to dust. Do

not use solvents such as benzene, thnner alcohol, strong volatle substan-

ces, bleach or other flammable lquds for cleanng the body of the unt.

2. DP4500 Power Amplifier

DP4500 is Class-D power amplifier of Mikafon DP Series. It has an easy to use

interface, which connects via TCP-IP. Unlike other devices in the market, it provides

flexibility with the Matrix feature that allows the output voltages to be adjusted

separately for each channel. Basic settings can be done quickly and easily on the

Dot Matrix screen. Thanks to this feature, it provides a wide range of usage areas

such as cafes, clubs, airports, stadiums and public spaces.

2.1. Front Panel

1. LCD Display: 2” 192x64 graphic LCD screen. Both viewing and basic settings can be

made from here. Volume settings, 5-band EQ settings for each channel, crossover

settings for each channel, matrix settings and output voltage settings can be

made. For LCD screen settings, please see 2.1.a.

2. Back: Menu exit button. Used for going back.

3. Select/Push: Button to enter the menu settings. The desired menu is reached by

turning the knob, by pressing the button menu settings open and the desired

changes are made.

The button is pressed after each action to confirm the change. To exit the menu

Back (2) button is used.

4. Prt: Protection indication led. An indication led for each output is available. If this

indicator led is lit, it indicates that there is no sound at the output of the device due

to overload or overheating. Volume should be turned down until the protect led

turns off.

5. Clp: Clip indication led. An indication led for each output is available. If this

indicator led is constantly lit, it means that the sound on the device has started to

be distorted. Please leave this led in the least vibrating situation possible.

6. Sig: Signal indication led. An indication led for each output is available. This

indicator led shows that the audio signal is coming to the device. In order to get

sound from the device, this LED must be constantly lit.

Fig.1. DP4500 Front Panel

1 4 5 62 3

2.1.a. LCD Screen

a. Volume Settings

To increase the volume of any channel, turn the Select (3) button on the screen to

highlight the volume icon and enter the menu by pressing the Select (3) button. To

adjust the sound of desired output, turn the Select (3) knob to highlight the volume

setting of that channel. While on the setting of that channel, press the Select (3)

button once, turn the knob to the right to increase the volume, and it is seen that

the volume increases as lines in the volume box. Likewise, turning the knob to the

left turns down the volume. When the process is finished, the Back (2) button is

pressed and the same process is done for the other channels to be adjusted.

There is a speaker icon under each output channel, the output sound of the

channel can be silenced by hovering over this icon and pressing the Select (3)

button. The volume setting of the channel does not change and a lock icon

appears below it. To exit the menu completely, press the Back (2) button.

b. Equalizer Settings

There are 5-band EQ settings for each channel. For the channel to be set EQ, turn

the Select (3) button to highlight the icon and enter the menu by pressing once.

The desired channel for EQ adjustment is selected with the Select (3) button. From

the 5-band EQ settings in the menu, the desired item can be reached by turning

the Select (3) knob. With one press of the button, the setting is entered and

adjustment is made in the range of +/- 15 dB. The center frequency value is written

under the band. (This value can be changed over the interface) After the

frequency setting is made, exit with Back (2). The same is done for other bands

and other channels. The Back (2) button is pressed to exit the menu.

c. Crossover Settings

To make HP and LP settings, turn the Select (3) button on the screen to highlight the

crossover icon and enter the menu by pressing the button. Whichever channel you

want to set, select the channel by turning the Select (3) button and enter into the

menu by pressing it. HP and LP settings are made in the menu. LP regulates low

sound frequencies. HP regulates high sound frequencies. Above and below the

adjustment bar, the set frequency values are displayed. HP and LP bands can be

made passive. After the desired values are set, the Back (2) button is pressed to

exit the menu. LP and HP values remain limited between the values set in the EQ.

2.1.a. LCD Screen

d. Output Voltage Settings

This menu is the most important menu in the device. It is the speaker connection

setting menu. The device has 4 pcs of separate amplifier outputs. The loudspeaker

line to be connected to each output is pre-measured with an impedance meter. It

is checked which voltages correspond to the measured impedance value from

the table next to the outputs or Table.1, and the voltage of that output

(35-50-70-100V) is selected. The voltage value that corresponds to the exact

equivalent or above of the measured impedance value is selected from the table.

If a voltage below the value is selected, the device will do clip or protect in the

corresponding channel. The menu is entered with the Select (3) button. Hover to

the output channel to be adjusted and press the Select (3) button. It switches

automatically to the upper menu. The desired voltage value is selected and Back

(2) is pressed to go back. The same settings are made for all other channels.

Pressing the Back (2) button returns to the main menu.

e. Matrix Settings

Matrix Settings are the steps to be taken during the installation of the device. It is

the menu where the input sounds are directed to the output channels. By turning

the Select (3) button from the main menu, the matrix icon is highlighted and the

menu is entered by pressing the button. The desired channel is selected by turning

the Select (3) button and the Select (3) button is pressed on the channel.

L1-L2-L3-L4 options are displayed in the menu. Whichever line inputs are

connected, the same line channels are assigned to the outputs. After the

operation, exit with the Back (2) button. The same is done for other channels.

Example: If only one input is made from Line input 1, L1 must be assigned to each

channel in this menu. If more than one line input is used, the desired L input is

directed to the desired output channel from the menu. There are maximum 4

inputs. The device can be used as 4 in 4 out with different matrix options.

f. General Settings

Turn the Select button to highlight the icon and enter the menu by pressing once.

IP, Gateway, Netmask information of the device is displayed in the menu. The

interface must be used to change these settings. The Back (2) button is pressed to

exit the menu.

2.2 Rear Panel

7. Power: 100V-240V AC Input socket and On/Off switch.

8. Ethernet: Ethernet input that allows the device to access the interface via

Ethernet or by connecting directly to a computer. DP4500 is selected from the

search menu on www.mikafon.com.tr. The product's exe file is downloaded and

installed on the computer via the link on the page.

9. Line Out: 3-pin balanced signal output connector. It is used for transferring the

input level signal to another source. (Connection method is the same as Line In

(10))

10. Line In: 3-pin balanced signal input connector. It has 4 separate inputs. Input

signal level is 1.2 V. As this level is exceeded, device outputs start to go into clip and

protect status.

11. Speakers Out: The device has 4 speaker outputs. In order to get the highest

performance from the outputs, the loudspeaker line must be pre-measured with

an impedance meter. According to the value, settings are made in accordance

with the table below.

Table.1. Voltage and impedance values table

As 34Ωvalue increases, output power of the device will degrade respectively.

PS.1. These settings can be made separately for each channel, from the front

menu of the device or via the interface.

PS.2. Speaker cables should be at least 2x1.5 mm. If the length of the line exceeds

50 meters, it is recommended to use 2x2.5 mm cable.

78 9 10 11

2.2.a Web Interface

i. Installation Instructions

Before using the interface, the computer must be brought to the 192.168.1 IP block

that the device receives statically. When the device is turned on, it will enter to any

IP in the 1st block. In order that the IPs of the device and the computer to be not the

same, the IP address is checked on the device. In order to get the IP block of the

computer to 192.168.1 block, do the following: Network Connections> Ethernet>

Properties> Internet Protocol Version 4 (TCP / IPv4)> Use the following IP address.

Please see Fig.4 & 5.

Fig.5. Computer IP settings screen 2

Fig.4. Computer IP settings screen 1

ii. Interface Manual

To access the interface, see 2.2.8.

a. Volume Control Menu

1. Amplifier: Once the model selection is made, it is not necessary to make this

selection again in other menus.

2. Manual Volume Control: It is the feature that can be activated to lock the controls

on the device. The locked icon appears on the screen of the device. To remove the

lock, this feature must be turned on again through the interface.

3. Channel Control: There is a control bar for each output. The blue indicator is slid

up to increase the volume of the output, and down to decrease the volume in the

same way. It is recommended not to make this movement too fast to avoid

damaging the speakers connected to the system. This process should be done by

hearing to the actual sound. In this process, the indicator leds on the front panel of

the device; sig., clip, and prt. must be visually followed. Clip led should be at the

least vibration possible.

4. Channel Sound Indicator: Numerical indicator of the sound level.

5. Mute / Unmute: Icon for turning the relevant output sound on and off without

changing the volume.

DP4500

Amplifiers

DP300

Fig.6. Interface volume control menu

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