14
Tone and Audio Options
The Axiom provides the user with the ability to change
the pitch of audio tones and to select from two
distinctly different audio types.
Tone Adjustment
Press the MENU button until TONE is selected, then
press the MENU Plus (+) or Minus (-) buttons to scroll
through 100 available tone shifts.
Each Tone shift is minor, but this allows the User to
adjust to a particular tone that bests fits their particular
preference or hearing ability.
Note: TONE adjustment is only available when
operating in VCO audio type (Audio 01).
Audio Type
Press the MENU button until AUDIO is selected, then
press the MENU Plus (+) or Minus (-) buttons to select
either Audio 00 (PWM audio) or Audio 01 (VCO audio).
The default setting is Audio 01 (VCO).
In either audio type, the Axiom’s continous audio
responds proportionately to the target’s signal
strength. Large/strong signals sound loud and small/
weak signals sound faint. This enhances the ability to
judge a target’s size, shape and depth.
In addition to enhancing target signals, the Axiom’s
proportional audio allows the operator to hear faint
background noise. By their nature, high-performance
pulse detectors are often noisier than VLF-type
detectors; therefore, some minor audio noise/chatter
is normal. An experienced operator will learn how to
distinguish random background noise from repeatable
target signals.
As a general rule, poor conductors such as small
nuggets, specimen gold, nickels, or small bronze coins,
etc. should produce a high tone followed by a low-
tone echo. Good conductors such as large nuggets,
copper and silver coins, etc. should produce a low
tone followed by a high-tone echo. A target on the
When TONE is highlighted, use the Plus / Minus Menu
buttons for Tone adjustment.
When AUDIO is highlighted, use the Plus / Minus Menu
buttons for Audio type selection.
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