Sony FS-2570, FS-1570 manual IB-583, IB-581

		-60 dB: within ±550 Hz
2.3.8	Receiving System	Double-conversion superheterodyne
2.3.9	Radiation	within 2 nW
2.3.10	RX Error Rate	1 % or less at 1 μV input voltage
2.3.11	Spurious Response	31.6 mV non-modulated at 10μV input voltage,
		at error rate within 1%
2.3.12	Scanning Reception	max. 6 frequencies within 2 s (MF/HF)
2.3.13	Diagnosis	Transmit high frequency signal of DSC

3 NBDP FUNCTION (OPTION)

3.1GENERAL

3.1.1	Communication Mode	ARQ, FEC, DIRC (FSK)
3.1.2	Protocol	ITU-R M625-3, M476-5, M490, M491-1, M492-6
	ID code	4, 5, 9 column
	Line cord	4B/3Y (Intl.)
	Modulation	AFSK
	Tone frequency	1615/1785Hz ± 0.5 Hz (mark/space)
	Tracking range	±80 Hz
3.1.3	Applications
	Auto-reception	Setting timer and frequency (max. 10 settings available)
	Frequency scanning	10 group max., 20 station as each group
	User-channels	100 channels max.

4 TERMINAL UNIT

4.1IB-583

4.1.1	Display	10.4” color TFT LCD, 640 x 480 dots
4.1.2	CPU	HD6417615 (15.5 MHz)
4.1.3	Memory	Flash ROM: 1 MB, S-RAM: 256 KB
4.1.4	FD Drive	1.44MB 3.5”
4.1.5	Keyboard	82 keys, IBM PS/2
4.1.6	Other functions	Text editor, FD control, Printer, Remote control for Transceiver,
		Diagnosis

4.2IB-581

4.2.1	Display	9.5” monochrome LCD, 680 x 480 dots
4.2.2	CPU	ALI M6117 (33 MHz)
4.2.3	Memory	Flash ROM 2 MB, DRAM 2 MB
4.2.4	FD Drive	1.44MB 3.5”
4.2.5	Keyboard	82 keys, IBM PS/2

5	ANTENNA COUPLER
5.1	Tuning System	CPU controlled fully automatic tuning system
5.2	Frequency Range	1.6 MHz to 27.5Hz
5.3	Input Impedance	50 ohms
5.4	Antenna	7m to 30m wire or whip antenna
		SP - 3	E5637S01E-M

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