Icom IC-7300 Instruction Manual basic - Page 46

Functions on the RTTY DECODE screen, Setting the decoder threshold level

Page 46 highlights

4 RECEIVING AND TRANSMITTING Operating RTTY (FSK) (Continued) DDFunctions on the RTTY DECODE screen Open the RTTY DECODE screen in the RTTY mode. MENU » DECODE TIP: Touching [EXPD/SET] toggles between the Normal screen and Expanded screen. Normal screen DDSetting the decoder threshold level 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 []. RTTY DECODE screen When tuned to an RTTY signal, the decoded characters are displayed. Expanded screen RTTY DECODE screen ••The function menu is displayed. 3. Touch [ADJ]. RTTY DECODE screen Key Action Selects the function menu. Selects the function menu. Turns the Hold function ON or OFF. HOLD L" HOLD " is displayed, and the RTTY DECODE screen stops. Touch for 1 second to clear the displayed CLR characters. ••While the Hold function is ON, this clears the characters and cancels the Hold function. TX MEM Opens the RTTY MEMORY screen. Opens the RTTY DECODE LOG screen. LOG ••Starts/Stops logging, selects the file type or the time stamp. Opens the RTTY DECODE LOG VIEW LOG VIEW screen. ••You can check the saved RTTY log files. ADJ Opens the THRESHOLD screen. ••You can set the threshold level. EXPD/SET Touch Selects the Expanded or Normal screen. Touch for Opens the RTTY DECODE SET 1 second screen. ••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. LIf the threshold level adjusted is too high, you cannot receive weak signals. LTouch [DEF] for 1 second to reset to the default setting. 5. To close the THRESHOLD setting screen, touch [ADJ]. 4-16

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4
RECEIVING AND TRANSMITTING
4-16
Operating RTTY (FSK) (Continued)
D
Functions on the RTTY DECODE screen
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/Stops logging, selects the file type or
the time stamp.
LOG VIEW
Opens the RTTY DECODE LOG VIEW
screen.
You can check the saved RTTY log files.
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
Setting the decoder threshold level
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].