106
Connect the test leads as indicated on the left side of 
the screen.
See “Talk Set” on page 135 for more information 
on dialing numbers.  The “Dial Noise” and “Dial 
Longitudinal Balance” screens are the same as 
shown above, except for the screen titles. 
Separate lists of phone numbers are kept for each dB
 
function.  Press the [Right] key to bypass the dialing 
process and manually measure.
dB
Use this function to measure Loss, Noise, Longitudinal 
Balance, Wideband Loss, or perform a Level Trace.
Press the [Up] or [Down] keys to move to a test. 
Press the [Enter] key to accept the choice. 
For Loss, Noise and Longitudinal Balance, you 
will first be asked to dial a number (for a quiet line, 
milliwatt line, etc.) before starting the test.