Brother FAX 1840C - Manual (Page 97)

6 - 9 REMOTE FAX OPTIONS
98 Change the Receive Mode
(Except for FAX-1940CN)
1 External TAD If you hear one long beep, your change has
been accepted.
2 Fax/Tel
3 Fax Only
98 Change the Receive Mode
(FAX-1940CN only) If you hear one long beep, your change has
been accepted.
1 Msg Ctr
2 Fax/Tel
3 Fax Only
90 Exit Pressing 90 will allow you to exit Remote
Retrieval. Wait for the long beep, then replace
the handset.
Remote commands Operation details