This document is the operating manual for the CZ-21 QuickSilver metal detector, which is designed for land and underwater treasure hunting. It provides information on the detector's features, assembly, setup, search modes, target identification, pinpointing, battery replacement, maintenance, and more.
This manual provides detailed instructions for the Fisher CZ-21 QuickSilver, an all-purpose metal detector designed for land, beach, salt, and fresh-water treasure hunting. Key features include leakproof submersion up to 250 feet, 3-tone target identification, and dual VLF signals for deep-seeking and ground compensation. The device supports both silent running target ID and autotune all-metal search modes.
| Submersible Depth | 250 feet |
|---|---|
| Search Coils | 8", 10.5" or 5" |
| Operating Temperature | 32° - 110° F |
| Battery Type | (4) 9V Alkaline |
| Battery Life (Alkaline) | 35-55 hrs |
| Battery Life (Nicads) | 10-20 hrs |
| Frequency | 5 KHz and 15 KHz |
| Weight (Complete) | 5 lb...11 oz. |
Yes, the detector is leakproof and submersible to a depth of 250 feet, making it ideal for underwater treasure hunting.
The detector provides a low tone for iron, a mid-tone for pull tabs and foil, and a high tone for U.S. coins and silver rings.
The factory pre-set is Ground 5, Disc 4, Sensitivity 3, and Volume 5, which puts the detector in a 'coins-only' mode.