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4.7 Out of Range Warning
If the handset is out of range of the base unit, a warning signal will sound.
• ‘SEARCHING’ appears on the display and the symbol blinks on the display.
• Move closer to the base unit.
• As soon as you are back within range of the base unit, a signal sounds and the symbol
stops blinking.
4.8 Setting the speaker volume
Use the Volume/Ringer key / to set the volume of the speaker (handset). You can choose
from 5 levels. The telephone is set to level ‘3’ by default.
During a call, you can change the volume as follows:
• Press the Volume/Ringer key / .
• The volume level currently set appears on the display.
• Use the number keys to set the desired level (1-5).
• Press the Volume/Ringer key / to confirm your selection.
Note : You have 8 seconds to set the desired volume; if you do not, the telephone returns to standby
mode and the volume remains unchanged.
4.9 Call Duration Indicator on the Display
As soon as you press the Line key the call duration appears on the display (minutes-seconds).
E.g. “ 01-20 “ for 1 minute and 20 seconds.
The call duration remains visible on the display for 5 seconds after each call.
4.10 Turning off the microphone (mute)
It is possible to turn off the microphone during a call by pressing the Delete/Mute key . Now
you can speak freely without the caller being able to hear you.
• You are on the phone. The Line/Charge indicator (LED) on the base unit will blink and
the Call symbol appears on the display.
• Press the Delete/Mute key to turn off the microphone.
• The symbol ‘X’ appears on the display ( ).
• When you want to resume the conversation, press the Delete/Mute key again.
• The symbol ‘X’ disappears from the display ( ). The person on the other end of the line can
hear you again.
4.11 Pause key
If you dial a telephone number and you would like to add a pause to this number, press the
Pause key at the desired place in the number.
When you call this number, this pause (3 seconds) is automatically included.
4.12 Conference call (two internal DECT handsets and one external caller)
You can have a telephone conversation with one internal and one external caller at the same
time.
• While on the line with an external caller, press the Programming key .
• ‘INTERCOM’ appears on the display.
Butler 2405/2410
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Butler 2405/2410
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