Fisher TW-7700 User Manual download pdf (Page 10)

SPECIFICATIONS

Subject to improvement or modification without notice.

TRANSMITTER

RECEIVER

Depth Accuracy ...................... +1 inch per foot in nominal condi-

tions

Readout Units ........................ Inches or cm (factory preset)

Left/Right Guidance............... Audio: continuous tone=Left,

pulsed tone=Right. VCO (varying pitch) output for easy over

........................................... target location. Visual: Left/Right/

........................................... Over Target messages

Signal Strength ...................... Digital Numeric Readout (0-99%)

& Bar Graph

Sensitivity Adjust................... Automatic

LCD Backlight ........................ Included

Battery Test ........................... Automatic Low Battery alert

Push button readout

Battery Type........................... Six “C” cells

Battery Life ............................ 80 Hours

Weight..................................... 5.4 lbs.

Operating Temp ..................... -4

to +140

F (-20

to +60

Output Frequency .................. 82kHz,

Output Power (nominal) ........ .5Watts,

Battery Test ........................... Yes

Battery Type........................... Two 6 Volt lantern batteries

Battery Life ............................ 80 Hours

Weight..................................... 5.0 lbs.

Fisher Research Laboratory does not warrant suitability to specific use. Fisher

Research Laboratory shall in no event be liable for any direct, incidental, conse-

quential or indirect damages.

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Fisher TW-7700 User Manual Page 10