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The audio menu is accessible through the “A” button (short press to enter). The primary menu settings include:

Volume (from 01 to 10) - controls the volume adjustment for all signals that the metal detector provides to the user. When using headphones, it is recommended to set the volume at a level of 02-03. High volume settings may lead to sound distortion and incorrect interpretation. Volume of Weak Identification Signals (VWIS) and VWIS Detection - can vary from 01 to 20. Increasing VWIS makes quiet and weak metal detector signals, such as those from deep targets, sound louder. VWIS should be increased when working on detecting deep objects and during rapid sweep exploration. In areas with high litter, it is advisable to set minimal VWIS parameters to avoid an overload of loud signals. VCO Detection (from 01 to 20) - changes the signal's tone depending on the proximity to the target. If the setting is turned off, the signal tone remains constant, regardless of the distance to the center of the detected object. Volume of Fe - provides identification of iron targets. It is recommended to reduce the volume of Fe in heavily littered areas to decrease the background noise. Duration of Fe (from 08 to 40) - this setting is also intended for the most accurate and clear identification of iron targets. The shorter the duration of Fe, the shorter the iron signal sounds, which significantly increases the comfort of working in areas with lots of useless trash. Minimum and Maximum Duration of Non-Ferrous Targets (from 04 to 40) - the adjustment of this parameter directly depends on the user's preferences. Sound of Discrimination - this setting is used to audibilize (or mute) targets that have been rejected by the discrimination filters or PRC. Maximum Volume of Detection (from 01 to 10) - affects the volume of signals from large objects and those close to the coil. However, reducing this parameter during regular searching can lead to incorrect assessments of the size and depth of valuable items. The adjustment of detection volume is particularly useful when searching in heavily littered areas. Source Tone of Identification by VDI: low-frequency tone - LF (recommended for detecting large targets), high-frequency tone - HF (for searching small conductive items), 2F - a universal average tone, which is used for the majority of search tasks. Detection Tone Frequency (0200…0400)

By pressing and holding the “A” button, the user enters the “A1” menu. Here, the VDI tone boundaries are located. The adjustment of the selected parameter is carried out using the “+” and “-” buttons.