3M 2550 Manuale Utente

 20 

78-9000-0192-2 Rev C

H. Filtering Power Frequency Interference  
(User Defined Frequencies Only)

Menu/OK [5:Toggle to MAIN MENU] + >>More [SK:4] + 

 [SK:5] + >>More [SK:d] + 

Locate Freq [SK:f]

In order to filter out unwanted power influences 

while locating with user-defined frequencies, verify 

the correct frequency is selected for your location 

(default 60 Hz). Press Menu/OK [5] to save.

I. Selecting Locating Audio

Menu/OK [5:Toggle to MAIN MENU] + >>More [SK:4] + 

 [SK:5] + >>More [SK:d] + 

Audio Config [SK:g]

The user can choose the audio response of the 

receiver when using the Directional Peak or Trace 

View modes for path locating. Highlight the audio 

selection and press Menu/OK [5] to save.

J. Adjusting Display Contrast

Menu/OK [5:Toggle to MAIN MENU] + >>More [SK:4] + 

 [SK:5] + 

 [SK:c]

The display contrast can be adjusted higher or lower.
•  Press the solid circle [SK] to darken the display.
•  Press the open circle [SK] to lighten the display.
•  Press Menu/OK [5] to save.