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This command sets or queries the status of the line echo canceller (LEC).
This command is a boolean command. See
Section 6.1 for more information on this type of command.
This command is saved to non-volatile memory only as part of a preset. The state of this command
will be restored after power-up only if a preset is saved and that preset is set to be the power-on
preset.
Example Description Status Message
S01LEC1
Enable LEC.
S01LEC1
S01LEC0
Disable LEC.
S01LEC0
S01LEC2
Toggle LEC state.
S01LECx , where x is 0 or 1 depending on the current state of the
LEC.
S01LEC?
Query LEC state.
S01LECx , where x is 0 or 1 depending on the current state of the
LEC.
8.74. LECMODE -- Set Amount of Double Talk Suppression
used in the LEC.
This command sets the amount of double talk suppression used in the LEC on the telephone input (T).
The values correspond to the following settings.
● 1 = No Suppression
● 2 = Light Suppression
● 3 = Heavy Suppression
● 4 = Half Duplex
This command is an integer command. See
Section 6.2 for more information on this type of
command. The minimum and maximum values for this command are 1 and 4, respectively.
This command is saved to non-volatile memory only as part of a preset. The state of this command
will be restored after power-up only if a preset is saved and that preset is set to be the power-on
preset.
Example Description Status Message
S01LECMODE3
Set LEC to Heavy Suppression.
S01LECMODE3
S01LECMODE?
Query LEC suppression level.
S01LECMODEx where x is 1, 2, 3, or 4 depending on
the current setting of the LEC suppression level.
8.75. LI -- Query State of Logic Inputs
This command returns the current state of the logic inputs. There are 24 logic inputs, so an array of