Garmin 680 业主指南

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transfer audio to Phone—switch 

audio to your phone. This is helpful 

if you plan to turn off the nüvi, but 

want to stay on the call or if you 

need privacy. To switch back, touch 

.

Mute Microphone—mute the 

microphone. 

When you are on a call and you receive 

a second call (call waiting), the nüvi 

displays the Incoming Call window. 

Touch 

 to answer the call. The 

first call is placed on hold. 
To switch between calls:

1.  Touch   to open the In Call menu. 

2.  Touch 

. 

3.  Touch 

 to hang up; this does 

not disconnect the call on hold. 

•

On the Menu page, touch   to open 

the Phone menu. Touch 

 to view 

the connected phone’s signal strength, 

battery level, and name.

  notE: Not all phones support all 

features of the nüvi Phone Menu. 

It may take a few minutes for your phone 

book to be available. 

1.  On the Menu page, touch  . 
2.  Touch   

. 

3.  Touch the phone book entry (contact) 

you want to call. 

4.  Touch 

 to call the contact, or 

touch 

to send an SMS/text 

message.