3M 965DPS instruction manual Loss, Noise

Loss

Use this function to measure the loss from the far- end to the near-end using a tone between 200 Hz and 20 kHz. You must use a separate instrument to generate the tone at the far-end.

Press the [Tab] key to go to Noise. Press the [Left] arrow key to go to Longitudinal Balance. Press [Enter] to return to the dB menu. Press [Up] and [Down] to adjust the speaker volume. Use the blue numeric keys to send DTMF tones.

Noise

Use this function to measure the Noise, Power Influence, and the calculated Balance of the pair. Connect the red and black test leads to the pair and the green lead to ground.

Press the [Tab] key to go to Longitudinal Balance. Press the [Left] key to go to Loss. Press [Enter] to return to the dB menu. Press [Up] and [Down] to adjust the volume. Use the blue numeric keys to send DTMF tones.

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