Differences

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--- doc:appunti:hardware:sony_cdx_gt470um_car_radio [2023/03/21 08:56] – [AUX VOLUME] niccolo
+++ doc:appunti:hardware:sony_cdx_gt470um_car_radio [2023/03/21 09:05] (current) – [DM+ ON] niccolo
@@ Line 3: / Line 3: @@
 ==== Subwoofer connection ====
-**NOTICE**: You have to switch the device OFF to set this:
+It is necessary to inform the radio about the optionally connected subwoofer. It is possibile to attach a passive (not amplified) one directly to the head unit, or to use an amplified one through an amplifier. If you want to use the rear speakers instead of a subwoofer, you must use the REAR-OUT setting here. **NOTICE**: You have to switch the device OFF to access this setting:
   * GENERAL
@@ Line 52: / Line 52: @@
 ==== DM+ ON ====
+This digital filter is intended to restore high frequencies lost in the digital audio compression process. **NOTICE**: This settings is not available when the radio is on the TUNER source.
+  * SOUND
+    * DM+
+      * **ON**
 ==== AUX VOLUME ====