Switching Audio Control Modes - Toyota TNS400 Owner's Manual

Muting the volume
Press the [MUTE] button.
To cancel muting, either press the [MUTE] button again or turn the [VOL] rotary knob to the right.
While the audio system is muted, navigation voice guidance continues unmuted.
Setting guide tone
1. Press the [FUNC/AF] button to establish the FUNCTION mode.
2. Press the [FUNC/AF] button until the indication on the sub display switches to BEEP.
3. Press the [SELECT (Right/Left)] button to switch between ON and OFF statuses for BEEP.
Right : ON
Left : OFF
4. Press the [ENTER] button.

4.4. Switching audio control modes

The modes will switch one step in the order shown below each time the [ENTER] button is
pressed.
BASS → MID → TREB → BAL → FAD → LOUD → SVC → VOL → BASS → ...
Turn the [VOL] rotary knob to the right or left in the audio mode while referring to the table below
to adjust the sound.
Mode
BASS
MID (MIDDLE)
TREB (TREBLE)
BAL (BALANCE)
FAD (FADER)
Function
Adjusts bass level.
Adjusts middle level.
Adjusts treble level.
Adjusts left/right speaker
balance (BALANCE).
Adjusts front/rear speaker
balance (FADER).
[VOL] Rotary knob/Function
Turn to the right
Turn to the left
Turn to the right
Turn to the left Softens mid-range sounds.
Turn to the right Emphasizes high sounds.
Turn to the left
Turn to the right Emphasizes right speakers.
Turn to the left Emphasizes left speakers.
Turn to the right Emphasizes front speakers.
Turn to the left Emphasizes rear speakers.
Emphasizes low sounds.
Softens low sounds.
Emphasizes
mid-range sounds.
Softens high sounds.
TNS400 5