Instruction Manual

96
Specifications of Pre-Amplifier
● Applicable standards: IP68 equivalent
Radio Act (Japan)
Vibration/Shock JIS C 60068-2-6/-2-27
RoHS
● Storage temperature range: -25 to 60°C
● Operating temperature range: -20 to 50°C
● External dimensions: 73 mm diameter (80 mm maximum protrusion) x 183 mm (H)
* Excluding antenna and handle
● Weight: Approx. 1 kg
● Battery: Lithium ion battery
● Continuous operation time: 8 hours or more (20°C) during correlation and radio communication
24 hours or more (20°C) in logger mode
● Sensor: Built-in, external (optional)
● Functions
 Operation modes: Correlation / Relay / Logger / Relay + Correlation
 Sensitivity settings: 20 (1 to 20) steps Manual / Auto
 Filter setting modes: Common/Through
 Recording: Audio signal recording (300 seconds, logger mode only)
 GPS function: Transmit position coordinates and elevation to the main unit
 Cable output
● External interfaces: Power switch, gain switch, external sensor connector, antenna terminal,
cable output connector, monitor terminal, charging connector
● Display: Microphone displaying each status by four LED lamps
(Power supply, operation mode, GPS, sensor)
● Radio
 Transmission frequency: 920.6 MHz to 923.4 MHz band
 Number of channels: 7
 Transmission output: 500 mW