I Cw Operation; Receive And Transmit; I Fsk Operation; I Cross Channel Operation - Icom IC-M710RT Instruction Manual

I CW operation

The transceiver has the following CW keying features
selectable in set mode as described on page 15.
➥ Full break-in
(receiving is possible while transmitting)
➥ Delay keying
(automatic transmission with keying)
➥ Off
(manual transmission is necessary before keying)
➀
Connect a CW keyer or an external electronic
keyer to the ACC(1) socket as shown at right.
➁
Select the desired channel to operate CW mode.
➂
When the selected channel is not in A1A mode,
push [MODE] one or more times to select "A1A."
➃
Operate the CW keyer to transmit a CW signal.
NOTE: CW mode is not available in some ver-
sions and CW narrow can be selected in set mode
(p. 14) when an optional filter is installed (already
built-in to the GMDSS versions).

I FSK operation

The transceiver has FSK and J2B modes for FSK op-
eration—use FSK when using the built-in oscillator;
use J2B when using an AFSK terminal unit.
➀
Connect an FSK terminal unit as shown at right.
➁
Select the desired channel.
• FSK ITU channel group, ch 4001 to ch 25040, are avail-
able depending on version.
➂
Push [MODE] one or more times to select the type
of emission, "FSK" or "J2B."
➃
Operate the FSK terminal unit.
NOTE:
➥ FSK shift frequency and FSK polarity can be
adjusted in set mode (p. 14).
➥ Some transceivers my operate 1.7 kHz higher
than the IC-M710RT's J2B mode even when
the same displayed frequencies are in use.

I Cross channel operation*

Cross channel operation is available with some ver-
sions to operate different channels for receive and
transmit.
➀
Select the desired channel for receive.
• ITU simplex channels cannot be used.
➁
Push [TX], then select the desired channel for
transmit.
• "$" flashes after pushing [TX].
➂
Push [TX] again to stop the blinking.
➃
Operate the transceiver normally.
➄
Change the channel to clear the cross channel set-
ting.
*This function is available for Europe versions only.

RECEIVE AND TRANSMIT

CW key connection
pin 2
2
4 5
1 3
8
6 pin 1
7
ACC(1) socket
FSK terminal unit connection
pin 4
pins 2, 5
2
4 5
1 3
8
pin 3
6
7
ACC(1) socket
Cross channel operation example
ALM
RX
D U P
TX
DSC
0 1 2
While receiving
ALM
RX
TX
DSC
0
While transmitting
CW key
FSK keying
AF input
Tx/Rx control
Ground
FSK terminal unit
AGC
F
3 4 A
D U P
AGC
F
1 2 3 4 A
4
11