Useful Information while Talking
During a call, you can: change the volume of the ear piece; mute the microphone; 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. Press the up or down button on the side of the phone while a call is in progress. An earpiece volume screen is displayed indicating the current volume level. The display will be similar to:
The volume level will be indicated by the number of squares shown.
R290 User’s Guide
To “Mute” or “Unmute” the Microphone
Press the SOFT RIGHT key during the call to ‘mute’ or ‘unmute’ the microphone. When muting is on, the earpiece and alerter is still active together with the
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 call the number shown in the display.
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 or Cost of Calls
When you start a call (incoming or outgoing), the airtime is counted in minutes and seconds. If you want the phone to keep track of the cost, first check if your service provider supports that service. If the service is available for your subscription, see “Call Duration and Cost” on page 26.
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