You can enable and disable the echo canceller function of this machine.
The echo canceller is set to [Enabled] by default.
In the Features screen, press the [
] [
] key to select [Configuration Menu], and then press the [Enter] key.
Press the [
] or [
] key to select [Audio Configuration], and then press the [Enter] key.
Press the [
] or [
] key to select a setting item from "Echo Canceller:", and then press the [Enter] key.
Press the [
] or [
] key to select [Enabled] or [Disabled], and then press the [Enter] key.
Press the [
] key to select [OK], and then press the [Enter] key.
When using an external echo canceller, disable the echo canceller function of this machine.