US Robotics 56K Series Manual page 67

In Displays the following
information:
I0 Four-digit product code
I1 Results of ROM
checksum
I2 Results of RAM
checksum
I3 Product type
I4 Current modem settings
I5 Nonvolatile memory
(NVRAM) settings
I6 Link diagnostics
I7 Product configuration
I9 Plug and Play
information
I10 VXD Configuration
Screen
I11 Extended link diagnostics
Ln Controls speaker
volume (available on
internal modems only)
L0 Lowest volume
L1 Low volume
L2 Medium volume
L3 High volume
Mn Operates speaker
M0 Speaker always
OFF
M1 Speaker ON until
CONNECT
M2 Speaker always
ON
M3 Speaker ON after dial,
until CONNECT
On Returns online
O0 Returns online
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