18 Garrett Metal Detectors
ATX
™
19
Retune
Press and release the RETUNE button (see illustration below) to instantly
reset the detector's audio/LED response back to zero� Use this function to
quickly cancel out unwanted ambient signals such as when the detector's
audio/LED response has drifted to an elevated level�
Retune is rarely required unless in Non-Motion Mode, or if a very
large response persists and does not automatically decay away while in
Motion Mode�
Pinpoint
Press and hold the PINPOINT button to pinpoint a target's location� See
p� 22 for pinpointing techniques�
Frequency Scan
Use this function to obtain the quietest operating frequency� Operating near
power lines, other detectors, uorescent lights, etc. may cause interference.
To check, hold searchcoil stationary away from any metal and listen for sig-
nal interference (i�e� noisy operation)�
To perform Frequency Scan:
• Hold searchcoil stationary away from any metal.
• Press and release the FREQ SCAN button (illustration on next page)�
• The searchcoil must remain stationary during the entire frequency
scan process�
• The frequency scan function lasts for 35 seconds, as indicated
by the scanning LEDs and audio pings� Completion is indicated by a
triple-beep�
Press and release the RETUNE
button to reset the audio signal
back to zero.
Press and hold the PINPOINT
button to utilize pinpointing.
Press and release the FREQ
SCAN while holding searchcoil
stationary away from any metal.
Iron Check
Use this feature to audibly identify iron targets� Iron Check only works with
the DD searchcoil and will not work with mono coils� If the IRON CK button
is pressed while using a mono coil, a repeating dual-tone warning alarm will
indicate this to be an invalid action�
To utilize Iron Check:
• Move the searchcoil to the side of the target.
• Press and hold the IRON CK button (see illustration on p. 20) and wait
for the double beep�
• Then continue holding the IRON CK button while quickly scanning
back and forth over the target with very at, level swings.
• If desired, check the target again from different directions by rotating
around 90 degrees. Maintain very at, level swings over the target.
• Iron will produce a very low-tone growl/grunt sound that may or may
not be anked by normal tones.
• Non-ferrous and/or weak targets will produce normal tones, or may
even be silent, but will not produce the iron tone (grunt)�
• The new setting remains in the ATX's memory until the next time this
function is performed, even after power is switched off and the
batteries are removed�
Note: If you have accidentally activated the Frequency Scan function and
want to abort, press the FREQ SCAN button again to stop the function�
The setting will return to its previous value�
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