VIETA CDV7500GP Owner's Manual page 21

General Operations
7 Sub-woofer
Short press the SUB-W button for less than 3 seconds to turn
on the Sub-woofer function. Press the SUB-W button again to
turn off the Sub-woofer function.
8 GPS Mode
End user can switch the TFT display between the playback mode
and GPS NAVIGATION / MAP screen by following:
1. Short pressing the GPS MODE button on panel.
2. Tapping on the touch screen button
AF
FM1
FMSELECT
10:30
am
87.50
Band
106.00
9 Navi Voice
This unit will automacitally MUTE the audio output of the Media
player when there is announcement from the navigation voice
guidance. This function can be activated or deactivated by tapping
on the screen
The sound level of the navigation voice guidance can be adjusted
by pressing the NAVI VOICE button and When
GPS VOL : 34
out to adjust the desired sound level by rotating the encoder
volume knob.
Button
Tips: This NAVI VOICE sound level adjustment will not affect the
Tuner or Media Player volume level .
Long pressing NAVI VOICE button to switch this NAVI VOICE
guidance ON or OFF.
104.00
90.00 98.00
87.50
108.00
or
NAVI
VOICE
display on screen there is around 10 seconds time
Navigation Voice guide on
Navigation Voice guide off
NAVI
.
Control
BR - 21
or
GPS Vol 26
.
/