The tones can be sent even when the keypad tones are set off.

Manual transmission

Make a call to the desired phone number and key in the numbers that you want to send as DTMF tones.

Automatic transmission

Start a call in the normal way. Then, do as fol-

lows: Press Options, scroll with or to Send DTMF, and press Select. Key in the DTMF sequence or recall it from Phone book, and press OK to send it.

Pressing Exit ends the DTMF transmission but not the call.

Placing pauses and waits in a DTMF sequence

When keying in a DTMF sequence, you can place pause and wait characters in front of or between DTMF numbers.

For a pause of 2.5 seconds, press three times quickly (p is displayed). When sending the sequence, all numbers following the pause(s) are sent as DTMF tones.

For a wait character, press four times quickly (w is displayed).

To send a DTMF sequence which contains wait characters:

1Start a DTMF call in the normal way.

2Press Send as many times as there are wait characters. Numbers after the waits are sent as DTMF tones.

NOTE: Pause and wait characters cannot be stored on some SIM cards.

Linking a phone number to a DTMF sequence

You can link a phone number to a DTMF se- quence for sending them together.

1Key in a phone number or recall it from Phone book.

2Press twice quickly (for +).

3Key in the number of the speed dialling loca- tion that holds the DTMF sequence (this step can be skipped) and store the phone number in the internal Phone book.

See also “Speed Dialling” on page 36.

Call the phone number in the normal way.

Battery Information

The following manufacturer-approved recharge- able batteries are available for your phone: NiMH batteries BMS-2V, BMS-2S and BMS-2, and Li-Ion batteries BLS-2, BLS-2H, BLS-4 and BLS-5.

The approximate operation times for new batter- ies are:

Talk time to the batteries BMS-2S, BMS-2, BMS- 2H, BMS-2V and BLS-2 is from 2.5 to 4.5 hours and for the battery BLS-4 from 4.5 to 7 hours.

Standby time for the batteries BMS-2S, BMS-2, BMS-2V and BLS-2 is from 55 to 260 hours and for the battery BLS-4 from 95 to 430 hours.

Charging and Discharging the Battery

Your phone is powered by a rechargeable bat- tery.

Note that a new battery's full performance is achieved only after two or three complete charge and discharge cycles!

The battery can be charged and discharged hundreds of times but it will eventually wear out. When the operating time (talk-time and stand-by time) is noticeably shorter than nor- mal, it is time to buy a new battery.

Use only batteries approved by the phone manufacturer and recharge your battery only with the chargers approved by the manufac- turer.

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Copyright © 2004 Nokia. All rights reserved.

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Nokia 6150 manual Battery Information, Charging and Discharging the Battery, Manual transmission, Automatic transmission