Icom ID-52A

15
OTHER FUNCTIONS
15-9
DTCS code squelch operation
The tone squelch opens only when you receive a
signal that includes a matching DTCS code in the
FM or FM narrow (FM-N) mode� You can silently
wait for calls from others using the same tone� Also,
a reversed tone squelch function mutes the squelch
when you receive a signal including a matching DTCS
code�
Step 1. Setting the DTCS code
[MENU] > SET > DUP/TONE��� > DTCS Code
1� Push [VFO/MHz] to enter the VFO mode�
2� Push [MODE] to select the FM or FM-N mode�
3� Rotate [DIAL] to set an operating frequency�
4� Push [MENU]�
5� Select “DUP/TONE���” in the “SET” menu�
6� Select “DTCS Code�”
7� Rotate [DIAL] to set a DTCS code, then push
[ENT]�
L Set to between 023 and 754�
L To exit the MENU screen, push [MENU]�
About the DTCS code types indication
• DTCS: Enables the DTCS Squelch function�
• DTCS-R: Enables the Reverse DTCS Squelch function�
• DTCS(T) (“DTCS” blinks):
When you transmit, the selected DTCS code
is superimposed on your normal signal�
When you receive, the function is OFF�
• 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)
Step 2. Using the DTCS code squelch
1� Push [QUICK]�
2� Select “TONE�”
3� Select the DTCS code type�
4� Operate normally�
• You will only hear the audio of stations that are using
the same DTCS code� All other signals will be muted�