R-697 Guys is a professional marine radio receiver
Frequency range 0.012 – 30 MHz
Number of sub-bands 9
Accepted emission classes A1, A2, A2H, A3, A3H, A3A, A3J
Local control (from the front panel)
Frequency input and tuning method by keyboard, smooth manual tuning within ~ 10 kHz
The scale is digital. Accuracy of frequency input 10 Hz
Double conversion superheterodyne circuit
Quartz heterodyne frequency stabilization
Low-pass filter anti-interference
Sensitivity A1, A2H 0.6 – 2.4 μV
A2, A3, A3H 7 – 14 μV
A3J, A3A 3 – 6 μV
Overall dimensions and weight 207 x 405 x 411 mm; 30 Kg
