Welcome to the forum fs hockey. I have never used a metal detector with the meter, but I'm guessing the format for target identification is nearly the same as one with a digital target indicator. Iron will be the low tones and metals such as silver will be higher. If this holds true foil should be mid 40's, pull tabs ans some can hash in the 50's and silver in the 80's. But, if it has a head phones connector I'd put a set of good phones on it and set up a test field with targets of the various types metal you'll encounter while actively detecting. Use the tones before you use the meter and learn to identify the low, mid and high range tones and the target they identify. Have patience and have fun....my family used to have both semi-automatic and single shot rifles and shotguns. Only when the boys could load and fire the single shot weapons effectively, and was comfortable hunting with them, would dad let them touch a semi-automatic rifle. Surprisingly, they often preferred to stay with the more basic weapon rather than spoiling the sport of the hunt with a more complicated one. I'd suggest that you do get a good pin pointer early on because it will help narrow your searches down and save divot digging time.
ATP/GPP/Fiskars Diggers/BH Outback/CT hand held