Manual Noise Cancel - Minelab CTX3030 Instruction Manual

CTX 3030 Instruction Manual
Function Buttons
Perform Auto Noise Cancel
Auto Noise Cancel is recommended.
1. Make sure there are no large targets or obvious sources of EMI close by, and hold
the detector coil 12 inches (30 centimeters) above the ground (Figure 17).
2. From the Map or Detect screens press the Noise Cancel button to initiate Auto
Noise Cancel.
Automatic channel selection will commence and a progress bar will be displayed.
Keep the detector still during the selection process, which may take up to 30
seconds. Press the trigger to terminate Noise Cancel at any time.
When the progress bar reaches 100% it will disappear and an audio signal will
convey that Noise Cancel is complete.
Figure 17 – Correct detector position for Noise Cancel

Manual Noise Cancel

The Manual setting allows you to manually select and listen to each channel for the
least interference.
To manually adjust Noise Cancel:
1. Make sure there are no large targets or obvious sources of EMI close by, then hold
the detector 12 inches (30 centimeters) above the ground (Figure 17).
2. Open the Noise Cancel Quick Menu and use the down arrow button to highlight
the Manual option. Press Select.
3. Press the left or right arrow buttons to select a channel. Pause and listen to the
interference coming from the detector. Keep the detector still during this process.
4. Once the channel with the least interference has been found, press the Select
button to save and exit the menu.
12" (30 cm)
20