Tandy DCM212 Operation Manual page 37

Chapter 3
Commands
with parameters
Some
of
the
commands
have parameters
(Table
5).
The
parameter
value,
usually
0,
1
or
2,
follows the
command.
When
the
command
parameter
is
not
used, the
Modem
assumes
a value
of
0.
For example,
the
echo
command E
does not echo
when
parameter
is
supported.
It
does echo
when
parameter
1
is
supported.
E
used alone
is
the
same
as
E0.
Table
5.
Commands
with Parameter
Command
Parameters
Function
Q
F
M
C
H
Result
codes
ON
1
Result codes
OFF
Numeric
result
codes
1
Verbal
result
codes
Basic
result
code
set
1
Extended
result
code
set
2
Advanced
result
code
set
Enables advanced
dialing
subcommands
(&,
+
and
W)
Commands
are
not
echoed
1
Echo
commands
Half
duplex
1
Full
duplex
Monitor speaker always
OFF
1
Monitor speaker
ON
until
carrier-detect
2
Monitor speaker always
ON
Transmitter
OFF
1
Transmitter
ON
ON HOOK
(phone
line
is
disconnected
when
not
in
use)
1
OFF HOOK
(phone
line
is
connected
regardless
of
its
condition)
Default
Defined by
DIP
Switch
7
Defined by
DIP
Switch 5
X0
Defined by DIP
Switch 4
F1
Ml
C1
NONE
31