taiyo TF-711, User Manual

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1. SPECIFICATIONS
1.1 Receiver
Reception : Synthesized double superheterodyne
Frequency range : LF 80.0 ~ 159.9 kHz MF/HF 2.0000 ~ 24.99999 MHz
Mode : F3C
Selectivity : 3.0 kHz at –6 dB
Number of channels : 396 channels
Sensitivity
: LF 10µV at 20 dB SINAD MF/HF 2µV at 20 dB SINAD
Channel selection : Automatic or manual, digital with ten-key pad
Tuning indicator : 3 LEDs (light emitting diodes)
Display : 32 characters in 2 lines with LCDs (liquid crystal display)
Audio input : Impedance 600 Ω , frequency 1900 ± 400 Hz level 0 dBm,
or high impedance
1.2 Recorder
Recording system : Electronic scanning with thermal head
IOC : Index of cooperation – 576 and 288
Recording speed : 60, 90, 120 scans per minute
Gradation : 9 tones (white, 7 gray levels and black)
Recording paper : Thermal paper (257 mm X 60 m)
Line density : 8 dots/mm (total number of dots: 2048)
1.3 Automatic Control
Start/stop : Automatic start or stop by timer program and/or WMO standard
remote control signal (or manual)
Recording rate : Automatic selection of recording rate (or manual)
IOC : Automatic selection of IOC by WMO start signal (or manual)
Phase : Automatic selection of phase matching by passing signal
(or manual)
1.4 Power, Dimension & Weight
Power source : DC 11 ~ 40 V, max. 28 W
AC 100/115/200/220 V, 50 or 60 Hz, max. 36 VA
Dimension : 100(H)
X
382(W)
X
340(D) mm
Weight : 8.4 kg ± 0.8 kg (AC type, including recording paper)
7.9 kg ± 0.8 kg (DC type, including recording paper)