User guide
English
NOTE: If the Pairing process is not completed within two minutes the G4 
will return to Standby mode.
A2DP Audio Source Selection:
If an A2DP Music Player is paired, the headset will use it as the default 
audio source. To change the audio source from the current device 
to the other device, stop the music playing from the current device 
and start A2DP music playback from the other device. Turning o the 
headset will set the default back to the A2DP Music Player.
Operating your A2DP source from your G4
Play Press and hold the MP3 Button for 3 seconds
Pause/Stop* Press and hold the MP3 Button for 3 seconds
Forward Press and hold the Volume Up Button for 3 seconds
Rewind** Press and hold the Volume Down Button for 3 seconds
 * Varies depending on your mobile phone model
** With some phones you may need to repeat this action once more
7. BUILT-IN FM RADIO AND EXTERNAL MP3 
PLAYER (CABLE OPTION)
7.1 FM RADIO
The scala rider G4 is equipped with an FM stereo radio 
receiver and RDS (Radio Data System) technology, allowing 
you to choose how and when you listen to your favorite stations.
Turn on Radio While in Standby mode, press and hold CHANNEL 
“B” button for 3 seconds
Turn o Radio  While listening to the Radio, press and hold 
CHANNEL “B” button for 3 seconds
Switch to next 
preset station
While listening to the Radio, tap the CHANNEL “B” 
button to cycle through the 6 Preset FM Stations
Start Intercom call While listening to the Radio, start talking loudly
Initiate Voice Dial 
from your Mobile 
Phone
While listening to the Radio, tap the Mobile Button 
and pronounce loudly the name of the person you 
wish to call. This feature is supported only by mobile 
phones that include the Voice Dial feature
Initiate Redial from 
your Mobile Phone 
While listening to the Radio, tap the Mobile 
Button twice
RDS ON/OFF 
(Default: OFF)
While the Radio is on, press and hold Volume Up 
and Volume Down Buttons simultaneously for 3 
seconds (Also controlled via the PC software and 
Settings Customization Voice Menu)
Thanks to the RDS feature, the G4 will automatically select the 
strongest signal available for the FM station you wish to listen to, no 
matter where you are riding.
RDS ON/OFF (press simultaneously 3 seconds while radio is on)
• ON/OFF FM Radio 
(press 3 sec.)
• Switch among pre-saved 
stations (tap briey)
11
scala rider
®
 G4
PowerSet










