Icom IC-7300, Основное руководство

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4
RECEIVING AND TRANSMITTING
4-16
Operating RTTY (FSK) (Continued)
D
FunctionsontheRTTYDECODEscreen
Open the RTTY DECODE screen in the RTTY mode.
MENU
» DECODE
When tuned to an RTTY signal, the decoded
characters are displayed.
RTTY DECODE screen
Normal
screen
RTTY DECODE screen
Expanded
screen
TIP: Touching [EXPD/SET] toggles between the Normal
screen and Expanded screen.
Key Action
<1> Selects the function menu.
<2> Selects the function menu.
HOLD
Turns the Hold function ON or OFF.
L
“
HOLD
” is displayed, and the RTTY
DECODE screen stops.
CLR
Touch for 1 second to clear the displayed
characters.
• While the Hold function is ON, this clears the
characters and cancels the Hold function.
TX MEM Opens the RTTY MEMORY screen.
LOG
Opens the RTTY DECODE LOG screen.
•Starts/Stopslogging,selectsthefiletypeor
the time stamp.
LOG VIEW
Opens the RTTY DECODE LOG VIEW
screen.
•YoucancheckthesavedRTTYlogfiles.
ADJ
Opens the THRESHOLD screen.
•You can set the threshold level.
EXPD/SET
Touch
Selects the Expanded or Normal
screen.
Touch for
1 second
Opens the RTTY DECODE SET
screen.
D
Settingthedecoderthresholdlevel
Adjusting the RTTY decoder threshold level prevents
characters been decoded by noise, even though you
have not received an RTTY signal.
1. Open the RTTY DECODE screen.
MENU
»
DECODE
2. Touch [<1>].
RTTY DECODE screen
•The function menu <2> is displayed.
3. Touch [ADJ].
•The THRESHOLD setting screen is displayed.
4. Checking the RTTY DECODE, rotate
MAIN DIAL
to adjust the threshold level to where the
characters are not displayed by noise.
L
If the threshold level adjusted is too high, you cannot
receive weak signals.
L
Touch [DEF] for 1 second to reset to the default
setting.
5. To close the THRESHOLD setting screen, touch
[ADJ].