Icom IC-7600 Instruction Manual - Page 62

◇ About BPSK and QPSK modes, DECODE], <MENU1>] F-1, B/QPSK] F-2

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4 RECEIVE AND TRANSMIT D About BPSK and QPSK modes BPSK and QPSK modes are available for PSK. • BPSK (Binary Phase Shift Keying) mode is the most commonly used mode. • QPSK (Quadrature Phase Shift Keying) mode has error correction capability to provide better decoding than BPSK mode in marginal condition. However, more accurate tuning is required with QPSK mode, due to the tight phase margin of QPSK. q D uring PSK mode selection, push [DECODE] (F-3) to display the PSK decode screen. w P ush [] (F-1) to select PSK decode second menu. e P ush [B/QPSK] (F-2) to toggle between BPSK and QPSK mode alternately. F-1 F-2 B/QPSK F-3 DECODE • PSK decode screen- BPSK mode Appears • PSK decode screen- QPSK mode Appears 55

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D
About BPSK and QPSK modes
BPSK and QPSK modes are ava±lable for PSK.
•
BPSK (B±nary Phase Sh±ft Key±ng) mode ±s the most
commonly used mode.
•
QPSK (Quadrature Phase Sh±ft Key±ng) mode has
error correct±on capab±l±ty to prov±de better decod±ng
than BPSK mode ±n marg±nal cond±t±on. However,
more accurate tun±ng ±s requ±red w±th QPSK mode,
due to the t±ght phase marg±n of QPSK.
q
Dur±ng PSK mode select±on, push
[DECODE]
(F-3)
to d±splay the PSK decode screen.
w
Push
[<MENU1>] (F-1)
to select PSK decode sec-
ond menu.
e
Push
[B/QPSK] (F-2)
to toggle between BPSK and
QPSK mode alternately.
F-2
F-3
F-1
DECODE
B/QPSK
<MENU1>
• PSK decode screen— BPSK mode
Appears
• PSK decode screen— QPSK mode
Appears
55
4
RECEIVE AND TRANSMIT