Icom M802 Instruction Manual - Page 21

FSK operation

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4 RECEIVE AND TRANSMIT I FSK operation The transceiver has FSK and J2B modes for FSK operation- use F1B when using the built-in oscillator; use J2B when using an AFSK terminal unit. q Connect an FSK terminal unit to the [ACC] socket as shown at right. w Select the desired channel to operate FSK mode. • FSK ITU channel group, Ch 4001 to Ch 25040, are only available when SITOR CH setting is set to ON. (p. 49) e Push [MODE SET] several times to select F1B or J2B. r Operate the FSK terminal unit. NOTE: ➥ FSK tone, shift frequency and FSK polarity can be adjusted in initial set mode (p. 51) ➥ Some transceivers may operate 1.7 kHz higher than the IC-M802's J2B mode even when the same displayed frequencies are in use. FSK terminal unit connection 76 381 54 2 To pin 3 To pin 1 To pins 2, 5 Ground Tx/Rx control FSK keying AF ground AF input FSK terminal unit 4 13

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13
4
RECEIVE AND TRANSMIT
4
■
FSK operation
The transceiver has FSK and J2B modes for FSK op-
eration
—
use F1B when using the built-in oscillator;
use J2B when using an AFSK terminal unit.
q
Connect an FSK terminal unit to the [ACC] socket
as shown at right.
w
Select the desired channel to operate FSK mode.
•
FSK ITU channel group, Ch 4001 to Ch 25040, are only
available when SITOR CH setting is set to ON. (p. 49)
e
Push [MODE
SET
] several times to select F1B or J2B.
r
Operate the FSK terminal unit.
NOTE:
➥
FSK tone, shift frequency and FSK polarity can
be adjusted in initial set mode (p. 51)
➥
Some transceivers may operate 1.7 kHz higher
than the IC-M802
’
s J2B mode even when the
same displayed frequencies are in use.
FSK terminal unit connection
1
2
3
4
5
6
7
8
To pin 1
To pin 3
FSK keying
AF input
FSK terminal unit
AF ground
Tx/Rx control
Ground
To pins 2, 5