3M 2273 사용자 설명서

다운로드
페이지 24
LOCATING A BURIED CABLE
Receiver Setup
Note:  Key descriptions can be found on the side of the Receiver.
Press 
 to turn the Receiver on.
Press  
 to select the 50/60 Hz power frequency (see section on
Selecting Passive Power Frequencies on Page 12) for passive locating;
otherwise, select the same frequency as the Transmitter.
Press 
 to adjust the speaker volume as needed: off, normal, high, or
high-expanded.  The high-expanded setting causes the audio to cut off
below a certain threshold.
Press  
 to select a locate mode (Peak 
, Null 
, or Diff
).   To select Special Peak mode: from Peak mode, press and hold
 then press 
to toggle between Peak and Special Peak modes.
While in Special Peak mode, the peak flag will flash.
Note:  Peak, Special Peak, or Null mode may require re-setting the
Receiver gain. Press 
 when the bar graph remains either fully open or
fully closed.  This is not necessary in differential mode since the unit
automatically adjusts theReceiver gain.
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