Lec -- Enable Or Disable Lec; Lecmode -- Set Amount Of Double Talk Suppression Used In The Lec - Polycom Vortex EF2241 Programming Manual

Example
B01LAGCRATEA3
B01LAGCRATEB?
B01LAGCRATE*5
B01LAGCRATE*ààêê
B01LAGCRATE*?

8.76. LEC -- Enable or Disable LEC

This command sets or queries the status of the line echo canceller (LEC).
This command is a boolean command. See
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
B01LEC1 Enable LEC.
B01LEC0 Disable LEC.
B01LEC2 Toggle LEC state. B01LECx , where x is 0 or 1 depending on the current state of the LEC.
B01LEC? Query LEC state.
8.77. 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
Description
Set AGC ramp rate on input
channel A to 3 dB/sec.
Query the AGC ramp rate on
input channel B.
Set AGC ramp rate on input
channels A-D to 5 dB/sec.
Set AGC ramp rate on input
channels A-B to 1 dB/sec and
AGC ramp rate on input
channels C-D to 4 dB/sec.
Query AGC ramp rate on input
channels A-D.
Section 6.1
Status Message
B01LEC1
B01LEC0
B01LECx , where x is 0 or 1 depending on the current state of the LEC.
Section 6.2
Status Message
B01LAGCRATEA3
B01LAGCRATEBx , where x is a number between 1
and 5, depending on the current setting of the AGC
ramp rate on input channel B.
B01LAGCRATE*ëëëë
B01LAGCRATE*ààêê
B01LAGCRATE*abcd , where a-d are each
between à and ë, depending on the current setting
of the AGC ramp rate for each of the line input
channels.
for more information on this type of command.
for more information on this type of command. The