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Warning 

S

tatement 

This device complies with part 15 of the FCC Rules. Operation is subject to the 
following two conditions: (1) This device may not cause harmful interference, and (2) 
this device must accept any interference received, including interference that may cause 
undesired operation. 
 
Any Changes or modifications not expressly approved by the party responsible for 
compliance could void the user's authority to operate the equipment. 
 

Note:

 This equipment has been tested and found to comply with the limits for a Class B 

digital device, pursuant to part 15 of the FCC Rules. These limits are designed to 
provide reasonable protection against harmful interference in a residential installation. 
This equipment generates uses and can radiate radio frequency energy and, if not 
installed and used in accordance with the instructions, may cause harmful interference 
to radio communications. However, there is no guarantee that interference will not 
occur in a particular installation. If this equipment does cause harmful interference to 
radio or television reception, which can be determined by turning the equipment off and 
on, the user is encouraged to try to correct the interference by one or more of the 
following measures: 
-Reorient or relocate the receiving antenna. 
-Increase the separation between the equipment and receiver. 
-Connect the equipment into an outlet on a circuit different from that to which the 
receiver is connected. 
-Consult the dealer or an experienced radio/TV technician for help. 
 
This equipment complies with FCC radiation exposure limits set forth for an 
uncontrolled environment. This equipment should be installed and operated with 
minimum distance 20cm between the radiator & your body. 

 

Summary of Contents for DM837

Page 1: ...h Fidelity Digital Amplifier Guangzhou DSPPA Audio Co Ltd No 1 Xiahe Rd Jianggao Town Baiyun District Guangzhou China Tel 020 81301427 81300045 Company website www auxdio com Technical data is subject to change without notice ...

Page 2: ... function FM play USB play SD play Bluetooth play AUX play Set Set the system Bluetooth and volume configuration Remote description Specification Size Installation and connection Cartridge installation Box installation Disassembly Packing list 1 2 2 2 3 3 4 6 6 7 8 8 9 10 13 11 11 12 15 16 16 ...

Page 3: ...ch channels manually and automatically can save 20 channels at most Wide voltage input fit in with 100 240VAC 50 60Hz Class D differential output Support infrared remote control operation Support RS485 control 2 Basic Functions 1 Control Panel Instructions 2 Operation of on off and standby ON Turn the key to the right and start the boot OFF Turn the key to the left and turn it off For product appe...

Page 4: ...e 2 Radio list button click it and it will enter radio list interface Pic 2 3 It displays the current mode 4 Button of radio frequency subtle tuning press and the frequency will go down press and it will go up Long press or and it can half automatically search radio s frequency and the searching will stop when available channel is searched 5 Displays the current radio frequency 6 Display the statu...

Page 5: ... Play list navigation bar It can turn page up and down when there are many pages 3 Playing list area it shows the music list in USB 3 SD play Twice click SD to use SD playing mode Pic 5 1 2 5 4 3 6 7 8 1 Return button Press it to return to homepage 2 Play list button Click it to enter the play list interface Figure 4 3 Displays the current mode 4 Information of the song being played 5 The playing ...

Page 6: ...ystem setting interface 8 1 Return button Press it to return to homepage 2 Displays the current mode 3 Volume button Press it and it will go mute slide the bar and it will adjust the volume Setting There are following information in the setting interface 1 Address 2 Language switchable system language 3 Backlight you can set when to stand by the system without operation for a certain period of tim...

Page 7: ...volume limit Maximum volume limit Maximum volume limit Name Pwd 25 50 75 100 Finding DM837 Read ID OK as follow VendorID 0xA5A5 ProductID 0x201 VersionNumber 0x100 Configuring bluetooth name DM837 pwd 123456 Send data ok DM837 1236456 Volume limit setting area 9 2 Maximum volume limit for the device Here you can limit the total output volume of the device you can set the total volume of 25 50 Clic...

Page 8: ...Input 2 10W Output Power 100 240V 50 60Hz Rated Impedance 8Ω Total Harmonic Distortion 0 03 1KHz 1W 8Ω Signal to Noise Ratio 81dB Frequency Response 20Hz 20KHz Product size 86 86 38mm Bluetooth input BT4 1 Remote control effective firing area angle 60 Effective remote control distance 10m Remote control battery CR2032 Auxiliary input sensitivity adjustable AUX AUX 1 0V 500mV Audio format MP3 WMA W...

Page 9: ...er from the base A B Front panel base groove in the wall 14 Please arrange the alignment with the opening position of the actual mounting box Dig a groove fit in with the box in the wall and drill holes in the groove in the wall for connection later according to the screw holes at the four corners of the box bottom Groove in the wall Reserved openings Interface terminal sub function table Function...

Page 10: ...th the open position of the box Put the connector through the reserved holes around the box and put the mounting box into the wall groove by using four self tapping screws to fix the mounting box firmly in the wall groove Note on box installation the depth of the box must not be less than 40mm reserved holes Note When the front panel and the base is fastened insert the pin into the front panel hol...

Page 11: ...uency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try t...

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