You cannot listen to other sources while recording.
Tips
Adjusting the sound
You can reinforce the bass and create a more powerful sound.
Press GROOVE on the unit.
� For MHC-RG555, when you record on both sides, be sure to start from the front side. If you start from the reverse side, recording stops at the end of the reverse side. � For recording from the tuner: If noise is heard while recording from the tuner, move the respective antenna to reduce the noise.
Each time you press the button, the display changes cyclically as follows: GROOVE ON* t GROOVE OFF
* The volume switches to power mode, the equalizer curve changes, and �GROOVE� lights up.
Sound Adjustment
Using the sub woofer
(MHC-GX750/GX450/RG551S/RG444S/ RX550 only)
You can use the sound of the sub woofer to suit the sound source.
Press SUB WOOFER ON/OFF on the sub woofer.
The indicator lights up while the sub woofer turns on. Press the button again to turn off the sub woofer.
Tip
You can use VOLUME +/� (or VOLUME control on the unit) to adjust the volume of the sub woofer linked to the front speakers.