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2 vLoc3-9800 Receiver
The Manual Peak Display mode is particularly useful in congested areas where multiple signals are radiating from various lines.
The sensitivity is set manually by pressing the “+” and “-” pushbuttons. As the locator is traversed across the target line the
“curtains” of the bar graph will close. If the curtains are fully closed or fully open, one press of the “+” or “-” will bring the curtains
back within scale. A numeric signal level is also displayed (999 represents full scale).
Use the red peak signal indicators on the bar graph to help identify the position of the peak signal.
This mode is also the default screen for Power and Radio passive Modes.
When using the manual peak display mode the relative signal levels become apparent, aiding identification of the target line.
The direction of the line can be determined by rotating the locator on its axis. When the signal is strongest, the line is passing
exactly forward/backward.
Notice also that if in an active mode and the locator is configured to do so, the depth and signal current are also displayed in the
top right of the display.
This information is only correct when directly over and correctly aligned.
2.8 Information Pushbutton - Depth & Current
Log
1
2.13m
640mA
50°42′59.90570′′N
3°26′35.54358′′W
27.50m
Pressing the “
i
” pushbutton will display the depth to the center of the radiated signal and the current measurement. Press the
pushbutton briefly – remember, if you press and hold, you enter the setup menu. If you enter the setup menu, press the “i”
pushbutton again to return to the locating screen then try again.
The accuracy of depth and current readings depends on the quality of the radiated signal being located. If the signal is not
distorted, the depth reading will be accurate to within 5% of the actual depth. If the signal is distorted, depth readings will be less
accurate.
If measuring the depth of a Sonde, ensure the “Sonde” mode is selected; otherwise the depth measurement will be incorrect.
Sonde mode has a different “Info Depth” screen and does not indicate current.
The “Information” screen also indicates Longitude/Latitude and height above sea level coordinates. This is only available if the
Bluetooth option is installed, paired with an external GPS, and detects a valid GPS signal.
Datalogging
It is possible to save the data on the info screen to the internal datalog. Pressing the “+” saves the data. Pressing the “-” key
rejects the data and returns to the locate screen. The number of logs stored in the device is also indicated.
Datalogging is described in more detail later in the user handbook.
