Minolta Di151 Operator's Manual page 191

Using the Enhanced Utilities (2)
2. Press "2" of Numeric keys. Then the following
message appears briefly to confirm your
selection.
3. Press or
LOW or OFF.
Choices Available
HIGH
LOW
OFF
Then press Yes key
4. Press No/Clear key, back to the initial state.
NOTE: If the machine is in Copy screen, it wouldn't sounds even the setting of
line monitor is "HIGH" or "LOW". In the other hand, line monitor just
available in Fax screen.
NOTE: About Setting the Line type (TONE/PUSE), refer to "1.4.1 Setting
Line type" ➭ ➭ ➭ ➭ P.1-17
key to select either HIGH,
Description
Speaker Volume is set at the loudest setting available.
Speaker Volume is set at the lowest available.
No sound will be heard.
7-23
ABC
2
2 LINE MONITOR
HIGH *LOW
, & YES
Yes
COMM. SETTING?
OK=YES / or 1-3
No
C
TEXT
OFF
1