![background image](http://html1.mh-extra.com/html/icom/ic-f420/ic-f420_instruction-manual_4269422011.webp)
2
OPERATION
8
D
Tx code channel selection
If the transceiver has a [
TX CH
] key, display can be toggled
between the operating channel number (or name) and Tx
code channel number (or name). When the Tx code channel
number (or name) is displayed, the [
]/[
] keys select the
Tx code channel.
TO SELECT A TX CHANNEL:
q
Push [
TX CH
] — a Tx code channel appears.
w
Push [
]/[
] to select the desired Tx code channel.
e
Push [
CALL
] to transmit the selected Tx code.
r
Push [
TX CH
] again to return to the channel display.
D
Tx code number selection
If the transceiver has a [
CODE
] key, Tx code contents can be
changed within the allowable digits.
TO SELECT A TX CODE:
q
Push [
CODE
] — a Tx code number appears and an allow-
able digit blinks.
w
Push [
]/[
] to select the desired number at the blink-
ing digit.
e
Push [
CODE
] to enter the selected number.
r
Repeat steps
w
and
e
to input all allowed digits.
t
Push [
CALL
] to transmit the selected Tx code.
D
DTMF transmission
If the transceiver has a [
DTMF
] key, the automatic DTMF
transmission function is available. Up to 7 DTMF channels
may be available.
q
Push [
DTMF
] to select the display
as at right.
w
Push [
]/[
] to select the de-
sired DTMF channel.
e
Push and hold [
DTMF
] to transmit the DTMF code on the
selected DTMF channel.