ICOM 217800 Manual Do Utilizador
37
4
RECEIVE AND TRANSMIT
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About 137 kHz band operation (Europe, UK, Italy, Spain, France versions only)
137 kHz band, within 135.7 kHz to 137.8 kHz range,
operation in CW mode is optionally available with the
IC-756PROIII.
operation in CW mode is optionally available with the
IC-756PROIII.
The RF signal from [XVERT] is used for the 137 kHz
band operation, and an external amplifier unit is nec-
essary.
band operation, and an external amplifier unit is nec-
essary.
See the connection diagram below for reference.
• Connection diagram for 137 kHz band operation
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CW side tone function
When the transceiver is in the receive condition (and
the break-in function is OFF— p. 66) you can listen to
the tone of your CW signal without actually transmit-
ting.
the break-in function is OFF— p. 66) you can listen to
the tone of your CW signal without actually transmit-
ting.
This allows you to match your transmit signal exactly
to another station’s. This also convenient for CW
practice.
to another station’s. This also convenient for CW
practice.
➥ Push [EXIT/SET] for 1 sec. then [(F-1)LEVEL] to
enter level set mode. Select an item with [(F-
1)Y]/[(F-2)Z] then rotate the tuning dial to adjust
the side tone level.
1)Y]/[(F-2)Z] then rotate the tuning dial to adjust
the side tone level.
Tuning dial
[EXIT/SET]
[(F-1)
Y
] [(F-2)
Z
]
to [ACC(2)] pin 6*
PA
BPF
or
LPF
Power amplifier with T/R switching unit
for 137 kHz
for 137 kHz
to [XVERT]
*Transverter ON/OFF control signal related to the power amplifier
unit main power, if desired.
• ON: 2–13.8 V DC input (more than 10 k
Ω
impedance)
• OFF: Less than 2 V DC
to [SEND] (for transmit/receive control)