Icom IC -2410A Instruction Manual page 23

e DTMF TONES
With HM-56 (U.S.A. and Asia versions)
e1750 Hz TONE CALL
With HM-59 (Europe and Italy versions)
Push and hold [TONE] on the microphone for about 1—3
sec. to transmit a 1750 Hz tone call signal.
With HM-56 (U.S.A and Asia versions)
Refer to *HM-56 ADVANCED FUNCTIONS." (p. 37)
BASIC OPERATION 4
usss SET MODE
*SUBAUDIBLE TONE
FREQUENCY SETTING
(An optional UT-67 is necessary except for the U.S.A.
version.)
1) Push [BAND] to select VHF or UHF.
2) Push [SET] several times until "T" appears and blinks
on the function display.
e Refer to p. 11 for SET mode details.
3) Rotate the tuning control to set the desired subaudible
tone frequency.
e Subaudible tone frequency list.
(Unit: Hz)
4) Push any switch except [SET] and [HI/LOW] to set the
value and to exit SET mode.