Icom IC-7800 Instruction Manual page 6

TABLE OF CONTENTS
Section 5
D Memory keyer screen .........................................................4-8
D Editing a memory keyer ......................................................4-9
D Contest number set mode ................................................4-10
D Keyer set mode ...............................................................4-11
I Operating RTTY (FSK)
D Convenient functions for receive
D About RTTY reverse mode ................................................4-14
D Twin peak filter ...............................................................4-14
D Functions for the RTTY decoder indication ...........................4-15
D Setting the decoder threshold level ....................................4-15
D RTTY memory transmission
D Automatic transmission/reception setting ..............................4-16
D Editing RTTY memory ......................................................4-17
D RTTY decode set mode ...................................................4-18
D Data saving
I Operating PSK .................................................................. 4-21
D Convenient functions for receive
D About BPSK and QPSK mode
D Functions for the PSK decoder indication
D Setting the decoder threshold level ....................................4-23
D PSK memory transmission ................................................4-24
D Automatic transmission/reception setting ..............................4-24
D Editing PSK memory
D PSK decode set mode ......................................................4-26
D Data saving
I Operating AM
D Convenient functions for receive
D Convenient functions for transmit .......................................4-30
I Operating FM
D Convenient functions for receive
D Convenient functions for transmit .......................................4-31
I Repeater operation ............................................................ 4-32
D Repeater tone frequency setting
I Tone squelch operation ...................................................... 4-33
I Data mode (AFSK) operation ................................................ 4-34
FUNCTIONS FOR RECEIVE
I Spectrum scope screen
D Center mode .................................................................. 5-2
D Fix mode ........................................................................ 5-3
D Mini scope screen indication
D Scope set mode ............................................................... 5-4
I Preamplifier ........................................................................ 5-9
I Attenuator
I RIT function ..................................................................... 5-10
D RIT monitor function .........................................................5-10
I AGC function ..................................................................... 5-11
D Selecting the preset value ................................................5-11
D Adjusting the AGC time constant
D Setting the AGC time constant preset value ...........................5-11
I Twin PBT operation ............................................................ 5-12
I IF filter selection ............................................................... 5-13
D IF filter selection ............................................................ 5-13
D Filter passband width setting (except FM mode) .................. 5-13
D Roofing filter selection ...................................................... 5-14
...................................................... 4-13
.............................................4-16
..................................................................4-20
..........................................4-22
......................................................4-25
..................................................................4-28
.................................................................. 4-29
.................................................................. 4-31
...................................................... 5-2
............................................. 5-4
........................................................................ 5-9
v
.......................................4-14
.......................................4-22
...........................4-23
.......................................4-29
.......................................4-31
.......................................4-32
.......................................5-11