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8-7. PASSIVE MODE
The Power and Radio passive modes of the Receiver are used to search an area for unknown power
cables and other utility lines, without using the Transmitter.
When applying Radio wave (RAD) detection, the most sensitive frequency is selected with auto search function.
Search all frequencies
Set frequency to
RAD
, Press and hold
Gain
for one second. And then, search starts.
Search frequencies in several bands
Press
Gain
during search, Search stops. Resume search, the search starts from the halted frequency.
Above mentioned example shows the first search detects the most sensitive frequency from 9.1k to 17kHz. And then search is
halted. Then, search resumes. The second search detects the most sensitivity frequency from 17k to 32.8kHz
Applying this function, several different kind of cables can be detected in several stages.
Radio mode
: It locates buried utility lines as they reradiate very low frequency,
Power mode:
Power mode detects 50/60 Hz or 100/120Hz frequency radiated by the live power cable.
50Hz / 60Hz :
select
POW
.
100Hz / 120Hz :
select
120Hz .
Select
RAD
.
Attention:
Radio can only be selected when the peak mode or peak & null mode.
Press
Frequency
key.
Frequency setting
Frequency
9.1 kHz
Frequency
17.0 kHz
Frequency
17.0 kHz
Frequency
32.8 kHz
Frequency
9.1 kHz
Search start
Search end.
Press
Gain
key.
Auto search function of Magnetic field in environment
（
Radio wave
）
Search starts
Search stops
Resume search
Search stops
Search starts
Automatically selected the
most sensitive frequency
Summary of Contents for Vision GX2
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