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1. INTRODUCTION

2. SAFETY INSTRUCTIONS

1. Please read carefully these safety instructions.
2. Keep this User's Manual for future reference.
3. Unplug the equipment from the AC before cleaning.
4. Do not use liquid or sprayed detergent for cleaning.
5. Use a cloth for cleaning.
6. Do not expose this equipment to humidity.
7. Install this equipment in a safe surface. If the equipment is not in a safe surface, it 

may fall and be damaged.

8. The openings on the enclosure are for air convection. Do not allow overheat. DO 

NOT COVER THE OPENINGS.

9. Place the power cord where people will not step or stumble. Do not place objects on 

the power cord.

10.Always observe all warnings and precautions the equipment might indicate.
11. If the equipment is not used for several days, disconnect the power supply to 

prevent damage from overloading. Never pour liquid into the openings, this could 

cause fire or electric shock.

12.Never open the equipment. For safety reasons, the equipment should only be 

opened by qualified personnel.

13.Pay attention to connection polarity when operating the machine with a power 

supply (DC). Reverse connection polarity may cause damage to the equipment, or 

to the power supply.

14.Let staff check the equipment if any of these situations occur:
a) The power cord or power plug is damaged.
b) Liquid has penetrated inside the equipment.
c) The equipment has been exposed to moisture.
d) The equipment does not work well or does not work according to the instruction 

manual.

e) The equipment was dropped and damaged.
f) If the equipment has obvious signs of damage.

15.Disconnect the audio inputs and outputs while making connections. Be sure to use 

the proper cables to make the connections.

1

Summary of Contents for RCD21R

Page 1: ......

Page 2: ......

Page 3: ...Table of Contents 1 INTRODUCTION 1 2 SAFETY INSTRUCTIONS 1 3 DESCRIPTION 2 4 PACKING LIST 2 5 CONTROL AND INTERFACES 3 6 SETUP 6 7 TECHNICAL SPECIFICATIONS 7...

Page 4: ...r several days disconnect the power supply to prevent damage from overloading Never pour liquid into the openings this could cause fire or electric shock 12 Never open the equipment For safety reasons...

Page 5: ...same time Mix audio RCA output Two line outputs with independent volume control Supports CD DVD videos and JPEG RMVB 720P format decoding and CVBS Supports USB 2 0 high speed drives and SD Cards 4 PA...

Page 6: ...VD USB SD card mode 10 Play Pause button Play and pause the playback 11 Previous Back to the previous song Long press for quick song selection in reverse order 12 Next Jump to the next song Long press...

Page 7: ...splaying PROG press Previous or Next to select the radio program press the button again to save 24 Volume down Volume number from 00 31 max Adjustment view will display at LCD screen bottom right for...

Page 8: ...Address by DIP switch configuration instructions 5...

Page 9: ...fore connecting Carefully plug in The power cord and signal wires should be separated DO NOT route them in a same slot or wire jacket RS485 control signal wire should be routed away from 100V audio ca...

Page 10: ...50mV No 2 Mixed sound RCA output 775mV Distortion 0 05 SNR 80 dB Analog Output V Validity 2 0 0 2V Channel separation 75 dB Video output level Vp p V Composite video output 1 0 0 2 Horizontal sync 0 3...

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Page 12: ...Ver 1 0...

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