SONY ITM804
Service Manual

Making calls (continued)
Notes � When another extension connected to line is in use, the line button flashes . � When another call comes in on the other line, the corresponding line button flashes and two beeps are heard from the speaker, but the phone won�t ring. (see page 30). � If a call is put on hold for more than about three minutes, you will hear an alarm. Tips � You can switch to speakerphone during conversation by pressing (SPEAKERPHONE). Then you can replace the handset in the cradle. To switch back to the handset, pick up the handset again. � When you pick up the handset or press (SPEAKERPHONE), the vacant line is automatically connected from line 1 to line 4. When neither line is in use, line 1 is connected.

Making calls when the headset is connected
When the TL-HD1 headset (not supplied) is connected to the I (HEADSET) jack, you can talk through the headset.

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Press (SPEAKERPHONE) (HEADSET). The SPEAKERPHONE lamp lights up. Dial the phone number. When you�re done talking, press (SPEAKERPHONE) (HEADSET). The SPEAKERPHONE lamp goes off.
I
HANDSET

Notes � If the headset is not connected, you will make a call through the speakerphone in step 1. � If there is a line put on hold, you cannot make a call by just pressing (SPEAKERPHONE) (HEADSET) in step 1. Press a line button that is not used first, and then dial the phone number.

To obtain the best speakerphone performance
� You may not be able to hear the other party�s voice in a noisy place. Therefore, use the speakerphone in a quiet room. � Do not bring your hand or other objects too close to the microphone or you will hear a shrill noise (�feedback�). � When the speaker volume is loud, or the telephone has been placed close to a wall, you may find that the volume drops suddenly. This is due to a circuit in the telephone designed to protect against feedback. In such cases, lower the speaker volume slightly.

Additional tasks
To Adjust the handset or headset volume Do this During phone conversation, press (VOLUME) (+) or (--). Each press of (VOLUME)(+) or (--) switches the handset or headset volume between �HIGH�, �MID� (middle) and �LOW�. During speakerphone conversation, press (VOLUME)(+) or (--). Each press of (VOLUME)(+) or (--) switches the speaker volume by one of 16 levels. Press (HOLD). The line button on which a call is put on hold will flash. Press (LINE 1), (LINE 2), (LINE 3) or (LINE 4) that is flashing to resume the conversation. The corresponding line button can be pressed on every phone. Press (MUTING) to disable the microphone. The MUTING lamp lights up. Press (MUTING) again to cancel. Press TONE b(*) after you�re connected. The line will remain in tone dialing until disconnected.

Adjust the speaker volume

Put a call on hold

Mute your voice

Switch to tone dialing temporarily

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Making calls (continued) Busy redialing

Redialing

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Pick up the handset (or press (SPEAKERPHONE)). �=== TALK ===� appears on the display. Press (LINE 1), (LINE 2), (LINE 3) or (LINE 4) to select the line, if necessary.

If the other line you called is busy, the phone will automatically redial the last number dialed up to 10 times every 30 seconds until the call is connected. When not making a call, press (BUSY REDIAL). The BUSY REDIAL lamp, MUTING lamp, SPEAKERPHONE lamp and selected line button light up and the last number dialed appears on the display.
Notes � Busy redialing is canceled when you press (BUSY REDIAL), or receive or make a call during busy redialing. � If the last number dialed exceeds 32 digits or if it is erased, the number cannot be redialed.

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The corresponding line button lights up. Press (REDIAL/PAUSE) to redial the last number dialed. The last number dialed appears on the display and is automatically redialed.

Notes � The last number dialed cannot be stored separately for each line. It is the very last one you have dialed using any line. � If the last number dialed exceeds 32 digits or if it is erased, the number cannot be redialed. Tip When the redialed number exceeds 16 digits, the first 16 digits are displayed, and then the remaining digits are displayed one by one while the displayed numbers move from right to left across the display.

Making another call while talking
Example: Making a call on line 2 while talking on line 1

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Press (HOLD) while talking. The line 1 is put on hold and the LINE 1 button flashes

To check the last phone number dialed
When not making a call, press (REDIAL/PAUSE). The number appears on the display for 20 seconds. To dial the number, pick up the handset (or press (SPEAKERPHONE)) while the number is displayed.
Note �NO DATA� will appear on the display if the last dialed number exceeds 32 digits or if it is erased.

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slowly. Press (LINE 2). Dial a phone number for the second party. Now you can talk to the second party on line 2. To disconnect line 2, press (LINE 1).

Notes � If you do not press (HOLD) in step 1, line 1 will be disconnected. � If a call is put on hold for more than about three minutes, you will hear an alarm.

To talk with two parties at the same time using two lines, see �Having a three-way conference call� on page 34.

To erase the last phone number dialed
While the phone is not in use, press (REDIAL/PAUSE) twice within 20 seconds. The number will be erased from the memory.

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