█Call Waiting (Flash)
Your ClearSounds® A1600 comes from the factory preset for Flash Time to 600ms. Flash timing is the signaling process that tells the phone system when a phone is on hook or off hook. The United States uses a 600ms timing sequence. The European Union uses a 300ms timing sequence. You can choose from 100ms, 300ms or 600ms. To change this setting:
1.Press 
under the word Menu on the screen to display the main menu list.
2.Press up 
or down 
to scroll to BS Settings and then press
under the word Select.
3.Press down 
to select Flash Time and then press 
under the word Select.
4.The display shows the current setting. Press up
or down 
to choose from 100ms, 300ms, or 600ms and then press 
under the word Select.
Note: If you subscribe to Call Waiting on Caller ID, you will receive Caller ID information (if available) on Call Waiting calls (see page 68).
If you subscribe to Call Waiting service from your local phone provider, during a phone call you will hear a beep to indicate another call is waiting on the line.
1.To connect to the waiting call, press 
under the word Flash, and your original call is put on hold. The display will show R.
2.To switch between the two calls, press under the word Flash.