FMUser ST-15M User manual

ST-15M OPERATION MANUALS
TRANSMITTER:
1. Don’t connect power and power must be off
2. Connect your antenna located rear device box
3. Connect audio source located rear device box
4. Connect your 12V DC power adapter located rear device box
5. o need turn on power switch at rear device box if audio source is not from radio/mp3 port
6. Turn on the transmitter power by push button at front panel
7. Adjust desire frequency up/down by push button at front panel
RADIO/MP3:
• While your transmitter need audio source from fm radio or mp3
• Turn on power switch located rear device box
• Front digital display will show radio previous fm channel by default
• While detecting mp3/SD slot will automatic switch to mp3 digital display and play and
audio source will direct input to transmitter if your transmitter was “O ”, you may
monitor audio by “Audio” port at front panel
• FM radio frequency adjust by REMOTE CO TROL

OTHER SWITCHS:
PREV: previous song (volume adjust while MODE at AU)
PLAY: play or pause song
EXT: next song (volume adjust while MODE at AU)
RPT: repeat song
EQ: song effect equalizer
MODE: selecting (radio, mp3, volume control)
REMOTE CONTROL:
MP3, FM radio receiver frequency adjusts, volume up/down, song control, etc.
TROUBLESHOTTINS:
TROUBLES CAUSI G SLOVEI G
Short transmitter distance Antenna no match or bad connection
Frequency far from center frequency
Power lower
Check antenna and connection
Reset transmitter frequency
Check power source
Unstable frequency Surge power interference Shut down power 5 seconds and on
Audio distortion or R-L
channel un-balance
Bad audio source or input level too high Check audio source or re-adjust input
audio level
Radio no signal or poor Poor radio antenna Get better radio antenna
Radio hums Unstable power source Turn off and turn on