Sony Ericsson GF768 User Guide - Page 14
Useful Information while Talking
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Making a Second Call while a Call Is in Progress q Enter the second phone number and press YES. The first call is put on hold and the display looks like this: 1 On Hold Receiving a Third Call If you are engaged in one call and have a second one on hold, you may receive a third call. You will hear a tone in the ear piece and CallWait is shown in the display. You can only have one call on hold at a time, so you need to end the first or second call before you answer the call. You can do one of the following: q Press zero followed by YES to reject the third call. q End the first call, retrieve the held call, and answer the incoming call q End both calls. The phone rings and the question Answer? appears in the display. Press YES to answer the call. Useful Information while Talking During a call, you can: change the volume of the ear piece; use the display as a scratch pad; send DTMF tones; check the duration of the current call. Changing Volume while Talking During a call, you can use the volume keys to increase or decrease the ear piece volume (see Figure 11). Muting Microphone q Press and hold the CLR key for as long as you want the microphone muted. Using Phone as Scratch Pad 1. Enter a phone number on the keypad while talking. When you end the call, the number remains in the display. 2. Press YES to make the call in the display. Figure 11. Changing volume. Sending Tone Signals During a call you can press keys 0 - 9, * and # to send DTMF tones. For example, to perform banking by phone or to control an answering machine. Checking Time of Calls When you start a call (incoming or outgoing), the airtime is counted in minutes and seconds and shown on the display, like this: 1:34 8 LZT 126 1343/x R1A