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8-4. Depth measurement (High precision)
Once the precise location of the object line has been determined, the
Depth
key is pressed to display
the distance from the Receiver's blade to the object line. Calculations are indicated on the digital display.
Note: Depth reading is a calculation of received signal strength.
Depth
Current index
Start locating
Signal is too low / too high.
Deeper than 5m / 16ft.
Press
Depth
key.
Press
Gain
key.
ERR
appears….
*Receiving signal is not strong enough.
- Possibly this is the wrong line.
- Move the Receiver again from side
to side to find the exact position.
*Gas pipe
Þ
if not well jointed
- injected signal does not travel well
- receiving signal is too low
*Warning message
*Normal calculation
Data Logging
Press
Log
key.
Data
number
Memorized Depth, Current index,
Date, time and frequency.
Indicate depth mode
Depth
Center
Blade
90
°
90
°
Axis
If the ground slopes, keep
the Receiver at right
angles to the axis of the
globe.
Hold the Receiver vertically, place the blade
on the ground and
do not move it during
the depth measurement.
Touch the ground with the Receiver's blade at an upright
position.
Object line
Check the vertical condition of the locator by Digital level indicator.
OK
How to select unit of the depth measurement
1)
Power on while holding
PEAK/NULL
key.
DEP METE
or
DEP FEET
screen is indicated in 3 seconds.
2)
Press
PEAK/NULL
, and select
METE
(meter) or
FEET
(feet)
.
3)
The setting is memorized when Powered off.
Note: When setting is “
MANU GAIN
”
(see page 9), to 5 seconds after depth value
is displayed, the screen will return to the
position locating automatically.
Summary of Contents for Vision GX2
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