Volume Adjustment

Ringer

1 Press the UP or DOWN key. (Make sure the SPEAKER key has not been pressed and the handset is not lifted.)

The ringer will ring once at the selected level, then the date and time will reappear in the display.

Display:

RINGER: HIGH

DOWN

or

UP

 

 

RINGER: MIDDLE

RINGER: LOW

RINGER OFF: OK?

2 If you selected RINGER OFF: OK?, press the START key.

START

Silent ring fax detection system

You can also set your fax machine to receive faxes silently, but ring to alert you to a voice call. To do so, set the ringer volume to OFF and set the reception mode to TEL/FAX. When a voice call comes in, a special ringer on the fax will ring. Note that extension telephones will not ring.

Note: During intial ringing before the fax picks up the call, the fax will be silent but extension telephones will ring.

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Sharp FO-175, FO-375 operation manual Ringer, Silent ring fax detection system