NEC Dterm DTZ-8R-1 User manual

How can I adjust transmit and receive volume in the DTZ-8R-1?
Press the Mute/Menu key followed by 1, 2, 3, # on the numeric keypad

When you see Service Menu in the display of the DTZ-8R-1, press the Down arrow until you see Audio
Gain Offset
When you see the arrow to the left of Audio Gain Offset, press the Select button
Service Menu
>HS Version
BU Version
Clear Setting
Audio Equalizer
Speed Dial
Service Menu
Speed Dial
Wordwrap
F8 Select
Quick Dial
>Audio Gain Offset

The default setting for Transmit and Receive Gain is 0
To modify the TX Gain, press the Up or Down Arrow to reach the desired level (+6, +4, +2, -2, -4, or -6)
Note – NTAC has found that setting this value to -6 has resolved issues with echo. Your adjustment
settings may differ with your particular environment.
To modify the RX Gain, press the Right Arrow button.
Audio Gain
Offset
>TX 0 RX 0
Audio Gain
Offset
>TX -6 RX 0

To modify the RX Gain, press the Up or Down Arrow to reach the desired level (+6, +4, +2, -2, -4, or -6)
After you assign the desired TX and RX Gain, press the Select/Enter button
Audio Gain
Offset
TX -6 RX 4
Audio Gain
Offset
TX -6 RX 4

Press the button under the word “Back” until you see the Home Screen. Make test calls. Continue to
modify as needed.
Audio Gain
Offset
TX -6 RX 4
Back