Art System AST-50 User manual

AST–50 KARAOKE SYSTEM
Owner’s manual

AST-50 Karaoke System. Owner’s manual
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Table of contents
1. Precautionary measures................................................................................................................................................................................................3
1.1. During installation .................................................................................................................................................................................................3
1.2. During exploitation ...............................................................................................................................................................................................3
1.3. During prophylaxis and cleaning .....................................................................................................................................................................4
2. Getting to know the device .........................................................................................................................................................................................5
2.1. Functional capabilities..........................................................................................................................................................................................5
2.2. Package content.....................................................................................................................................................................................................5
2.3. Front panel................................................................................................................................................................................................................5
2.4. Rear panel..................................................................................................................................................................................................................6
2.5. Remote control panel ..........................................................................................................................................................................................7
3. Initialising and connection............................................................................................................................................................................................8
3.1. Connection to home theatre ............................................................................................................................................................................8
3.2. Connection of background video external source...................................................................................................................................8
3.3. Installation of electronic certificate...............................................................................................................................................................9
4. Functional capabilities................................................................................................................................................................................................. 10
4.1. «Karaoke» function.............................................................................................................................................................................................10
4.1.1. Playback of songs......................................................................................................................................................................................10
4.1.2. Songs reservation......................................................................................................................................................................................10
Song reservation..............................................................................................................................................................................................10
Songs playback from the list of reserved songs................................................................................................................................. 11
Cancellation of reservation «on-the-fly» ............................................................................................................................................... 11
Review and editing of the list of reserved songs .............................................................................................................................. 11
4.1.3. Songs search................................................................................................................................................................................................ 11
Beginning of search........................................................................................................................................................................................11
Search results.................................................................................................................................................................................................... 11
Work with search results.............................................................................................................................................................................. 11
4.1.4. Additional capabilities.............................................................................................................................................................................11
Recording of song execution..................................................................................................................................................................... 11
Switching of source of background video............................................................................................................................................ 12
Selection of playback mode........................................................................................................................................................................ 12
New songs .......................................................................................................................................................................................................... 12
My songs.............................................................................................................................................................................................................. 12
Playback of tracks from USB drive........................................................................................................................................................... 13
Favorites..............................................................................................................................................................................................................13
TOP 100...............................................................................................................................................................................................................13
Applause.............................................................................................................................................................................................................. 13
4.2. Function «Media player» .................................................................................................................................................................................. 14
4.2.1. Playback of video tracks (tab «Video»)............................................................................................................................................. 14
4.2.2. Playback of audio tracks (tab «Music»)............................................................................................................................................. 14
4.2.3. Viewing images (tab «Slideshow»)..................................................................................................................................................... 14
4.3. Function «Setup»................................................................................................................................................................................................. 14
4.3.1. Main setup menu....................................................................................................................................................................................... 15
User ....................................................................................................................................................................................................................... 15
Administrator.................................................................................................................................................................................................... 15
Service .................................................................................................................................................................................................................. 15
Information ........................................................................................................................................................................................................ 15
Additional updates ......................................................................................................................................................................................... 15
4.3.2. Menu option «User»................................................................................................................................................................................. 15
Karaoke................................................................................................................................................................................................................15
Background video ........................................................................................................................................................................................... 16
Background audio ........................................................................................................................................................................................... 16
Settings by default..........................................................................................................................................................................................17
4.3.3. Menu option «Administrator».............................................................................................................................................................. 17
General Settings............................................................................................................................................................................................... 17
Microphone Processing ................................................................................................................................................................................ 17
MIDI ....................................................................................................................................................................................................................... 17
Video..................................................................................................................................................................................................................... 17
Network / Local area network (LAN)....................................................................................................................................................... 17
Network / Wireless network (Wi-Fi)......................................................................................................................................................... 18
Security ................................................................................................................................................................................................................ 18
Settings by default..........................................................................................................................................................................................18
5. AST Manager, the program to control the device using tablet PC.......................................................................................................... 19
6. Installation of updates (firmware)......................................................................................................................................................................... 20
7. Troubleshooting............................................................................................................................................................................................................ 21

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1. Precautionary measures
1.1. During installation
 For connection of AST-50 to electricity mains use only input power with the voltage 220 V and
alternative current frequency 50 Hz.
 Install AST-50 at sufficient distance from walls and other objects. Special attention to be in respect
of distance between the device and wall which must be not less than 10 centimeters. Breach of
this rule may cause overheating of the device and possible flaming.
 Do not install AST-50 in places with strong vibration, on surfaces with incline, on unsteady, high
surfaces, in dusty and/or insufficiently ventilated places.
 Do not install AST-50 in places with high humidity, do not put on AST-50 vases, glasses and other
objects with liquids.
 Do not install AST-50 close to electric heaters, radiators and other sources of heat, in places with
strong and/or frequent changes of temperature, in places with intensive solar heating. It may
cause device overhearing and its breakage.
 During connection of AST-50 to external equipment carefully read manual for its use. Before
connection turn off AST-50 and disconnect power cord from electric circuit.
 During transfer of AST-50 from outside to warm room at cold season in order to prevent
appearance of condensate, it is necessary to leave the device at room temperature for 1 – 2 hours
and only after that you may connect the device to electric circuit.
 Do not connect power cord to electric circuit before completion of final installation of AST-50.
 Do not connect AST-50 to one power board simultaneously with other devices consuming big
power. Check that the total consuming power of connected to power board devices do not
exceed 2000W.
 Do not put power cord close to electric heaters and other sources of heat. Do not put on power
cord any heavy objects. It may cause damage to power cord and injury by electric current.
1.2. During exploitation
 Avoid penetration of water and other liquids to surface and inside AST-50. Do not put objects with
liquids on device surface.
 Do not put in AST-50 foreign objects and do not leave them on device surface.
 Do not touch device and power cord by moist hands. Do not touch power cord during
thunderstorm.
 Do not deform, twist and heat power cord. In case of damage to power cord replace it
immediately.
 During disconnection of power cord from от electric circuit do not pull power cord, hold the plug.
 Do not cover ventilating holes and louvers on top and on each side of AST-50 housing. Do not
exploit device in poor ventilated places.
 Do not put on AST-50 heavy objects, do not step on and do not hang up the device.
 During movement of AST-50 to another place disconnect from the device connected units,
disconnect power cord from electric circuit. Do not carry the device to another place with foreign
objects on it.
 If you do not use AST-50 during long time disconnect power cord from electric circuit.
 In case of fall the device or damage to device housing switch off AST-50, disconnect connected
units, disconnect power cord from electric circuit.
 Do not push buttons hard.
 In case of strange sound or smell of smoke immediately disconnect power cord from electric
circuit, using thick gloves or dry cloth.

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 Do not dismantle and do not repair device independently. Repair to be arranged in authorized
maintenance shop.
1.3. During prophylaxis and cleaning
 Before cleaning of AST-50 turn off power, disconnect power cord from electric circuit.
 Use for cleaning of the AST-50 surfaces only special detergents for electronics. Do not use organic
compounds (gasoline, turpentine, etc.).
 It is recommended not less than once an year to make prophylaxis of the device in authorized
maintenance shop.

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2. Getting to know the device
2.1. Functional capabilities
The device AST-50 is designed for:
 playback of karaoke sound tracks and audio files. Supported audio formats: MP3, WAV, MIDI;
 video playback in format HD-Ready (720p), MPEG2, MPEG4, h.264, AVC, DivX, xvid.
2.2. Package content
Supply package of AST-50 is as follows:
 device AST-50;
 remote control panel;
 batteries for remote control panel (type АА, 2 pieces);
 songs list sorted out by name (title) of singer;
 USB storage with electronic certificate and this manual;
 composite audio/video cable, 3 m;
 HDMI cable, 1,8 m;
 unit package (box, seal, plastic case).
2.3. Front panel
Lay out of control elements and sight control on front panel of the device AST-50:
Figure 1
1. Button for turning on/off the device.
2. LED indicator of the device work.
3. Button for mode selection.
4. Button for levels control.
5. Information display of the device.
6. USB port.

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2.4. Rear panel
Lay out of ports on rear panel of the device AST-50:
Figure 2
1. Holder for installation of hard disk.
2. Port for connection to local area network.
3. HDMI port.
4. USB port.
5. Port for connection of external video source.
6. Port for connection of acoustic system.
7. RS-232 port.
8. Level control devices for microphone ports.
9. Component video output.
10. Composite video output.
11. Port for connection of microphones.

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2.5. Remote control panel
Figure 3
1. Button box for control of audio track playback.
2. Button box of digit keys.
3. Button for playback start / confirm the action.
4. Button for playback stop / cancel the action.
5. Button for playback of applause record.
6. Button box for playback queueing (reservation).
7. Button for songs searching mode.
8. Button box of coloured function pushbuttons.
9. Button for turning on/off the device.
10. Button box for control of additional functions «Karaoke».
11. Button box for control of «Media Player» functions.
12. Button box for switching the device functions.
13. Button box of navigation buttons.
14. Extended keyboard.

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3. Initialising and connection
 Before connection of AST-50 with other devices make sure that power of the device and
pluggable equipment switched off.
 Do not cover ventilating holes of AST-50 and pluggable equipment for natural air circulation.
 Before connection of AST-50 with other devices read carefully manuals for pluggable equipment.
 During connection of audio and video cables make sure that shape, size and color of plug
correspond to shape, size and color of connector.
3.1. Connection to home theatre
Approximate scheme of AST-50 connection to home theatre system.
Figure 4
3.2. Connection of background video external source
External source of background video (DVD player, satellite TV receiver) to be connected through
composite input VIDEO IN (BGV) ([5] on Figure 2). Supported devices are with video formats PAL or NTSC.

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3.3. Installation of electronic certificate
Installation of certificate to be done after connection of peripheral equipment (display or TV set) to
AST-50.
For installation of certificate the following actions to be done:
1. Turn on the device, wait for its download finish, insert included in delivery USB drive with the
certificate to USB port on the front panel of device.
2. On display (TV set) screen connected to the device will appear information message with offer to
install the new certificate. For installation press green button «Yes», to cancel installation press
red button «No» (button box of colored function pushbuttons [8] on Figure 3).
3. Certificate updating procedure will take a few seconds. Upon completion of updating procedure
in the upper right corner for a few seconds will appear the message «Certificate installed».
4. Remove USB drive from USB port. The device is ready to work.
Installation will not start in case that certificate with the same or later creation time than on USB drive
is already installed in the device.

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4. Functional capabilities
4.1. «Karaoke» function
Just after switching-on and during periods of time between songs playback the device is in standby
mode. In standby mode AST-50 produces background video to the screen of connected display or TV set and
background audio track to connected to the device acoustic system in case that in the device set up switched
on playback of background video (per default switched on) and audio. In case that playback of background
video is switched off to the screen of display transfers «black screen».
In order to enter karaoke function press button «Karaoke» on remote control (button box [12] on
Figure 3).
4.1.1. Playback of songs
In standby mode enter song number using button box of digit keys on remote control (button box [2]
on Figure 3). Entered number displays in upper left corner of connected to the device display or TV set and
also on data display of the device ([5] on Figure 1). On completing of entering on display screen will be short
summary of information about the song with entered number including track name and singer and also
parameters of track sound: type, melody, tone, tempo, and availability of backing vocal. At this moment
possible to make correction to some parameters of track sound: volume level of melody (only for MIDI
format), tone and tempo playback change using special buttons on remote control (button box [1] on Figure
3). Changing of these parameters is also possible «on-the-fly» during track playback. To put song to the list of
chosen songs press «blue» button on remote control (button box of coloured function pushbuttons [8] on
Figure 3).
In case of entering number of nonexistent song will appear information message «TRACK NOT
EXISTS».
To start song playback press button «START» on remote control ([3] on Figure 3). Press this button
during song playback to pause playback («pause») and second pressure will resume playback («pause
removal»). Press of this button in standby will start repeated playback of the last played song.
During song playback on information display of the device ([5] on Figure 1) displays countdown of the
total time of song’s playback.
To cancel song playback press button «STOP» on remote control ([4] on Figure 4). Press of this button
during song playback will stop playback.
4.1.2. Songs reservation
Reservation (postponed playback) is necessary for alternate songs playback. For songs reservation and
control the list of reserved songs is designed button box [6] on remote control (Figure 3).
Song reservation
In standby mode enter song number using in the same way as during usual playback. After completion
of entering number during displaying of referral information it is possible to change parameters of track
sound (for more details, see para. 4.1.1). Changing parameters will take effect during playback of reserved
song. Press button «Reserve» on remote control. It is also possible to put track to waiting list for playback
using button «RESERVE» on the front panel of the device. To put song involuntarily to the beginning of
reserve list («at the head of the queue») press button «Priority reserve» on remote control. After entering
song to reserve in the upper right corner of display will appear lettering «Reserve» with songs numbers lead
in reserve list and total quantity of reserved songs.