3M 2273 사용자 설명서
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.
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.
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
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.
automatically adjusts theReceiver gain.
Page 10