Yamaha DM1000 Owner's Manual - Page 120

120 Chapter 10-Control Room Monitoring 2 Move the cursor to the number button of an output channel to which you wish to assign the Talkback signal in the OUTPUT ASSIGN section, then press the [ENTER] button to highlight the channel number. 3 If you wish to operate the [DIMMER] button during Talkback communication, move the cursor to the TALKBACK DIMMER LEVEL control and rotate the Parameter wheel or press the [INC]/[DEC] buttons to set the amount of attenuation. 4 Press the [TALKBACK] button. The Talkback function is enabled. By default, pressing and releasing the [TALKBACK] button once enables the Talkback function. Press the button again to turn off the function. If you press and hold down the [TALKBACK] button for more than 300ms, the Talkback function is enabled as long as you hold down the button, and the function is turned off when you release the button. However, if you have checked the NEVER LATCH TALKBACK check box on the Monitor | Talkback page, the Talkback function remains effective only while you are pressing and holding down the button. DM1000-Owner's Manual