The T22 metal detector complies with the technical specifications and environmental testing requirements of the international market for metal detectors. The specific technical requirements, testing requirements, inspection rules, etc. are as follows:
1. Power supply:
3VDC with 2 1.5V batteries; Working hours: not less than 40 hours
2. Indicator:
2.1 Visual inspection: LCD liquid crystal display screen
2.2 Sound speakers or headphones
3. Display and function selection:
3.1. Nine different metals are displayed above the startup display screen. When using the machine to measure an object, an indicator will appear above the corresponding metal.
3.2. The function words on the left side of standby mode are all half displayed. If you need to select a function, press the (MENU) menu key and select the desired function back and forth. The selected functional words will transition from a semi visible phantom state to a real display. Select the desired function and press “+” or “-” to increase or decrease the machine's parameters.
3.3. DEPTH is a depth indication when an object is detected.
3.4. The mode words on the right side of standby mode are all half displayed. If you need to select a mode, press the (MODE) mode key and select the desired function back and forth. The selected functional words will transition from a semi visible phantom state to a real display.
3.5. When metal is detected, the numerical value of the object will be displayed in the middle. The more precious the metal, the higher its value.
4. Menu:
4.1 SENS: Sensitivity;
Press the menu key (MENU) to select SENS. Then press “+” or “-” to adjust the sensitivity size, there are a total of 10 levels.
4.2 VOLUME: Sound volume;
Press the menu key (MENU) to select SENS. Then press “+” or “-” to adjust the sensitivity size, there are a total of 20 levels.
4.3 NOTCH: Selective shielding.
NOTCH refers to users choosing to shield any one or more precious metals based on their own needs or preferences when using the detector.
5. Mode:
5.1 JEWELRY: (referred to as Jewelry Mode)
This mode is set up to search for jewelry.
5.2 COIN: (abbreviated as coin mode)
This mode only tests US dollars: 5, 1, 10, 25, 50, 1$
5.3 ARTIFACT: (referred to as the cultural relic model)
This mode is configured to search for cultural relics. Small iron objects cannot be detected, while large iron objects are detected
5.4 CUSTOM: (abbreviated as Custom Mode)
This mode allows customers to set a mode based on the metal they want, and the tone can be programmed.
Custom mode programming tone steps:
① Switch the machine to CUSTOM mode;
② Press and hold the MODE key for approximately 1 second;
③ Press the MENU key to adjust the metal that needs to change its tone;
④ Use the “+” and “-” keys to select the tone (0=VCO, 1=bass, 2=low, 3=medium, 4=high)
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