Garrett Metal Detectors Metal Detectors GTAx 550 - Manual (Page 55)

55
SPECIFICATIONS
• Detector type: Very Low Frequency (VLF)
transmitter / receiver, Graphic Target Analyzer (GTA)
with multiple notch discrimination
• Controls: Easy access touch panel
• Display: High visibility LCD adjacent to the touch
panel; data accessible at any angle.
• Detection Frequency: 7.0 kHz
• Circuitry: Linear transmitter/receiver/filter front
end 10-bit data acquisition, Microcomputer with 8
Kbyte memory, Crystal controlled 4 MHz operation,
High reliability surface mount printed circuit board
construction
• Audio Frequency: 275 to 710 Hz
• Batteries: 8 AA
• Battery Life (approximate): Alkaline - 30 hours
Carbon Zinc - 20 hours; Rechargeable—12-15
hours
• Humidity:To 95% non-condensing
• Temperatures: Operating—0 to 140°F; Storage
- 20 to 150°F
• Construction: Aluminum and high strength glass
filled nylon; Ramrod S stem with handle mounted