Fisher Labs CZ-21 QuickSilver Operating Manual page 41

SPECIFICATIONS
Batteries .................... Separately Sealed Compartment ........... Yes
................................... Type .......................................... (4) 9V Alkaline
................................... Life Alkaline ...................................... 35-55 hrs.
................................... Nicads 10-20 hrs.
Operating Temperature ..... 32° - 110° F
Faint Target Audio Boost .... Yes
Manual Threshold Tuning .... In Autotune Mode
Target I.D. ............................. Three tones plus bell tone for large,
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Notes:
1. Subject to improvement or modification without notice.
2. Approximate.
3. Pulsegate Unipolar Audio Processing. Advanced Fisher circuitry which allows
silent operation below "audio threshold tone" with no loss in sensitivity.
4. The CZ-21 is a "motion" detector while in the search mode. The search coil
must be moving at least slightly to detect a target.
5. Electro-Static-Insulated to eliminate certain types of false signals.
shallow targets, plus 7 preset DISC.
control settings
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