Canon MF247dw User Manual page 507

<Menu>
type
Off-Hook Alarm
Select whether the machine makes an alert sound when the handset of a telephone connected to the machine
is not properly set on the cradle. You can also adjust the volume of the alert sound.
0 to 5
<Menu>
sound
Communication Management Settings
Adjust the communication start speed in descending order from "33600 bps." This adjustment should be made
when it takes a long time to start sending or receiving a fax due to a poor telephone line connection.
TX Start Speed
33600 bps
14400 bps
9600 bps
7200 bps
4800 bps
2400 bps
RX Start Speed
33600 bps
14400 bps
9600 bps
7200 bps
4800 bps
2400 bps
<Menu>
communication start speed
TX Function Settings
Specify settings for sending faxes.
Setting Menu List
<Fax Settings> <Basic Settings>
<Fax Settings> <Basic Settings>
<Apply>
<Fax Settings> <Basic Settings>
<Public Line Connection>
<Off-Hook Alarm>
<Communication Management Settings>
499
Select connection
Select the volume of the alert
Select a