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Karcher Audio RA 2250 Manual

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18 | EN
• You can select 60, 50, 40, 30, 20 or 10 minutes.
• To check the remaining time on the countdown, press the SLEEP button once.
• If you want to cancel the function, press the SLEEP button repeatedly until “SL 00” is shown and
“SLEEP” disappears from the display.
Dimmer
To adjust the brightness of the display backlight, press the SNOOZE/DIMMER button repeatedly.
There are 4 brightness settings: Bright, Medium, Low, Off.
Radio Operation
General Operation
1. Turn on the unit as described before.
2. Press the FUNCTION button to “RADIO” mode.
3. Press the MODE button to select AM or FM band.
4. To automatically tune to the next/previously available radio station, press and hold for 2 seconds
the SKIP+ or SKIP- button. The tuning will stop at the rst station found.
5. To manually tune to a radio station, press the SKIP+ or SKIP- button repeatedly until you reach
the desired frequency.
6. Adjust the VOLUME control to the desired level.
Station Memory
This unit provides an automatic station memory for up to 30 frequencies:
1. While in radio mode press and hold for 3 seconds the PROG/STOP button.
2. The unit will now search automatically for available radio stations and store them consecutively in
the 30 available memory presets (P01 - P30). This may take several minutes.
3. Once radio stations are stored in the memory, you can select them by pressing the PROG/STOP
button repeatedly until you reach the desired preset.
USB/SD Playback
General Operation
PLAY / PAUSE ►|| Press to start playing tracks from USB/SD.
Press again to stop playing USB/SD operation temporarily.
Press again to resume playback.
SKIP + ►►| & SKIP - |◄◄ Press to go to the next track or back to the previous track.
Press and hold while playing until you nd the point of the sound.
ALBUM+/- (remote control) To select between folders (only if the medium has folders).
STOP ■ Press to stop all USB/SD operation.
Playback
1. Plug or slot in USB or SD device to the port.
2. Press the FUNCTION button to select “USB” or “SD” mode.
3. The unit will read and scan for MP3 les on the USB or SD device.
4. The LCD will display the total number of MP3 les and start the playback automatically.
5. The operating functions are as above.
6. To stop playback, press the PROG/STOP button.
Repeat
While in playback mode press the MODE button to enter the repeat mode. Each press of the button
changes the mode as follows:
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