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KRC-309S/389/389W,409/479,489/489G
QQ
3 7 63 1515 0
1. How to enter the test mode
• Reset the unit while holding the "FM" key and preset "6" key.
• Turn on the power while holding the "FM" key and preset "6" key in conditions of ACC ON and Panel ON.
• All indication segments should go ON at the beginning of the test mode.
2. How to release the test mode
• Simply reset the unit.
• Turn on the power after being in conditions of ACC OFF, power OFF, momentary power down and the panel
off.
3. Audio adjustment
• Enter the audio mode by pressing the "AUD" key.
• Set the volume level to be +5dB. In that case, "30" should be shown on the display.
• Loudness OFF.
• The BASS/MIDDLE/TREBLE and BALANCE/FADER can be adjusted to the full-boost/full-cut and full-front/full-
rear each by pressing the "UP" and "DOWN" keys in 3 steps range.
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