This is an instruction manual for a metal detector, including instructions for use, explanations of the various functions, and some precautions.
This document is the operating manual for the Fisher Labs F5 professional metal detector. It provides instructions on setting up the device, including assembling the stem and securing the waterproof search coil. The guide details how to install batteries (specifically alkaline types) and explains the use of headphones for better audio detection.
| Search Coil Size | 10 inch open-frame elliptical concentric |
|---|---|
| Operating Frequency | nominal 7.8 kHz |
| Battery Life | 40+ hours on good quality alkalines |
No, the manual explicitly states to 'Use ALKALINE batteries' and warns that most problems are due to using non-alkaline or discharged batteries.
The nominal operating frequency is 7.8 kHz.