User guide
English
7.2 CABLE CONNECTING YOUR MP3 PLAYER OR OTHER 
  EXTERNAL AUDIO SOURCES
Using the auxiliary line-in port for cable connectivity
The G4 has an auxiliary jack which allows you to connect non-
Bluetooth audio sources, such as MP3 players (with 3.5 mm - ⁄” stereo 
jacks) to the G4 by using the enclosed cable. 
1. Make sure the G4 is on Standby mode, ashing slowly in Blue.
MP3 /Aux 
Jack
2. Connect the MP3 cable to your 
MP3 player/audio source’s 
Jack and insert the other 
end of the cable into the 
Auxiliary Jack.
3. Operate the MP3 Player 
device by using its own buttons as usual (FF/REW/ PLAY/PAUSE).
Volume can be adjusted through the MP3 Player or the Volume 
Buttons of the G4.
Any other audio connection will automatically mute the MP3 Player. The 
audio signal will return only when the G4 is once again in Standby mode. 
NOTE: While listening to your MP3 player, the VOX feature is disabled.
8.  USING THE MOBILE PHONE
INITIATING AND RECEIVING MOBILE PHONE CALLS
BASIC FUNCTIONS
Answer a call Tap the Mobile Button or speak loudly any 
word of your choice during an incoming call
Reject a call Remain silent for 15 seconds, or press and hold 
the Mobile Button for 3 seconds during an 
incoming call
Terminate a call Tap the Mobile Button during a call, or let the 
other party terminate the call
Voice Dial
During Standby, 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
Redial During Standby, tap the Mobile Button twice
ADVANCED FUNCTIONS FOR 3WAY COMMUNICATION:
Add/Remove CHANNEL 
“A” to/from phone call
Tap the CHANNEL “A” button while on a phone 
call
Add/Remove CHANNEL 
“B” to/from phone call
Tap the CHANNEL “B” button while on a phone 
call
When the G4 is on an active phone call, any Intercom call request will 
be automatically rejected.
Once the phone call is terminated, you can initiate and accept 
Intercom calls.
STATUS LIGHTS
LED Indication Status
None G4 is o
1 blue ash every 3 seconds  Standby – No call is in progress
2 blue ashes every 3 seconds Call is in progress / FM Radio or Music 
is ON
1 red ash every 3 seconds Standby - Battery is low
2 red ashes every 3 seconds Low battery while a call is in progress or 
FM Radio or Music is ON 
Solid red Charging
13
scala rider
®
 G4
PowerSet










