Tone Squelch Operation; D Tone Squelch Frequency Setting And Operation - Icom ID-31A PLUS Advanced Manual

12
OTHER FUNCTIONS

Tone squelch operation

The tone squelch opens only when you receive a
signal including a matching subaudible tone in the
FM or FM narrow mode� You can silently wait for calls
from others using the same tone�
Also, the reversed tone squelch function mutes
the squelch when a signal including a matching
subaudible tone�
D Tone squelch frequency setting and
operation
Step 1. Setting the tone squelch frequency
MENU > DUP/TONE��� > TSQL Freq
1� Push [V/MHz] to enter the VFO mode�
2� Push [FM/DV] to select the FM or FM-N (FM
narrow) mode�
3� Rotate [DIAL] to set an operating frequency�
4� Push [MENU]�
5� Select "DUP/TONE����"
6� Select "TSQL Freq�"
7� Rotate [DIAL] to set a Tone Squelch frequency,
then push [ENT]�
L Set to between 67�0 and 254�1 Hz�
8� Push [MENU]�
• Returns to the standby screen�
Step 2. Using the tone squelch
1� Push [QUICK]�
2� Select "TONE�"
[Up]
[ENT]
[Down]
3� Select the Tone Squelch type�
▼
4� Operate normally�
• You will only hear the audio of stations that are using
the same Tone Squelch frequency� All other signals will
be muted�
About the tone squelch type:
• TSQLS: Enables the Tone Squelch with the Pocket
Beep function�
• TSQL: Enables the Tone Squelch function.
• TSQL-R: Enables the Reverse Tone Squelch function.
• TONE(T)/DTCS(R)
("T-DTCS" is displayed, "T" blinks.):
When you transmit, the selected subaudible
tone is superimposed on your normal signal�
When you receive, the DTCS squelch opens
only for a signal that includes a matching
DTCS code and polarity� (Audio is heard)
• DTCS(T)/TSQL(R)
("D-TSQL" is displayed, "D" blinks.):
When you transmit, the selected DTCS
code is superimposed on your normal
signal�
When you receive, the tone squelch opens
only for a signal that includes a matching
tone frequency� (Audio is heard)
• TONE(T)/TSQL(R)
("T-TSQL" is displayed, "T" blinks.):
When you transmit, the selected subaudible
tone is superimposed on your normal signal�
When you receive, the tone squelch opens
only for a signal that includes a matching
tone frequency� (Audio is heard)
TIP: To sound beeps when a call is received
If "TSQLS" is selected, beeps sound for 30
seconds and "S" blinks when a call with a
matching tone signal is received�
L Within 30 seconds, push [PTT] to stop the beeps�
("S" disappears) After that, the transceiver selects
the regular tone squelch operation� If you make no
operation for 30 seconds, the beeps automatically
stop, but "S" continues to blink to indicate that you
received a call�
12-9
(Example: TSQL)