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FRONT PANEL DESCRIPTION

REAR PANEL DESCRIPTION

Important Notes:

- When inserting a  USB or SD Card, the HR74 will automatically start 

playing.

- If both USB and SD Card are installed in the HR74, the SD Card will play 

first.

USB OPERATION

IMPORTANT NOTE THE USB FROM THE HR74 SHOULD NEVER BE 

PLUGGED INTO A COMPUTER IT IS FOR THUMB DRIVE DEVICES ONLY. 

DAMAGE WILL BE DONE TO THE HR74 AND YOUR COMPUTER IF YOU 

PLUG THEM TOGETHER!!!!!!!!!!!!

- PREV : Press to go back to the last track.  Press for 3 seconds to rewind 

the track being played.

- NEXT: Press to go forward to next track.  Press for 3 seconds to fast for-

ward with in the track being played.

-REPEAT: 

1.Press once to repeat current track, LCD shows “R 1”.

2.Press twice to repeat all tracks, LCD shows “R  ALL “.

3.Press 3 times to cancel the repeat function.

- RAN: 

Press once to play tracks in a random order.  LCD will flash to indicate it is 

in random play mode.  Press again to exit, the LCD will stop flashing.

- FOLDER: 

Press to switch to next folder for MP3 player. 

Pressing the  FOLDER button will switch to next folder.  The LCD will 

show Folder# for 1 second and then will show the current track#.  For 

example, LCD will show F002 to indicate moved Folder#2 for 1 second.  

The unit will automatically play the first track of Folder#2 and will show 

the current track# - 001. 

- A>B:  “Repeat Play” 

1.Press once to start the beginning of memory.

2.Press again to stop at the end of memory area.  The HR74 will repeat 

the A-B selection over repeatedly.

3.Press it again to stop section repeating.

- RCA outputs: Stereo RCA line level.

- 1/8” (3.5mm) output: Stereo Tip Ring Sleve line level output.

- VDC: For connection to the supplied Rolls PS27s adapter. 

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