Operation Manual

EF1210 U

SER

ANUAL

SR -

CHANGE

THE

SAMPLE

RATE

The SR command changes the sample rate of the EF1210.

SR16 (16 kHz) is the normal operating mode of the EF1210. The wideband (SR48,

48 kHz) mode is provided for applications that require high-fidelity noise cancella-

tion. In the wideband mode, acoustic echo cancellation is disabled but the noise can-

cellation continues to function.

The factory default setting for SR is 16 (normal sampling rate).

Remote Commands

The following commands can be sent by the remote control device to change the sam-

ple rate of the EF1210.l

EF1210 Messages

The following messages are sent by the EF1210 in response to a SR? command, or in

response to any SR command when acknowledgment mode is on.

Example

In the following example, the remote control device requests the current sampling

rate of the EF1210 with Device ID number 7. Then it changes the sampling rate to 48

kHz of the same EF1210. Acknowledgment mode is enabled.

Remote Command Effects

SR16 Change to normal (16 kHz) sampling rate.

SR48 Change to wideband (48 kHz) sampling rate.

SR? Request current sampling rate.

EF1210 Message Message meaning

SR16 The EF1210 is currently running at its normal (16

kHz) sampling rate.

SR48 The EF1210 is currently running in wideband (48

kHz) mode.

Remote Command EF1210 Message

C07SR? C07SR16

C07SR48 C07SR48