Icom IC-450, Instruction Manual

Page: 38 / 56

32
9
OTHER FUNCTIONS
These functions have an answer back feature and
confirmation function for when a call has reached the
called station, even if the user is temporarily away from the
transceiver. Smart Ring is a manual confirmation, and ATS
is automatic.
D Smart Ring
Set the same CTCSS tone frequency to all Group
q
transceivers, and then turn ON the tone squelch. (p. 26)
Push
w
to enter the menu mode.
Push [
e
 ] or [  ] to select “Transponder” in the menu
mode.
S
r
elect “Smart Ring” to transmit a Smart Ring call.
• The TX/RX indicator lights red.
• When a member of the group answers the call, “
ë ” blinks, and
“Found” is displayed, and then the TX/RX indicator lights green
and turns OFF.
• If no answer is received, the transceiver will sound short faint
beep tones and “Not Found” is displayed.
Blinks
t
Push [PTT] to answer and stop the blinking.
NOTE : This function is available only if the called station has
the same CTCSS tone frequency and is operating on the same
channel.
NOTE:
• The setting to the left is for only the calling station. A called
station automatically sends an answer back signal without any
presetting. All the IC-450s set to the same operating channel
within the communication area, will send an answer back call.
D
ATS
Push
q
to enter the menu mode.
Push [
w
 ] or [  ] to select “Transponder” in the menu
mode.
Select “ATS,” and then select “On” to turn ON the ATS
e
function.
• When an RX channel is selected, an error beep sounds.
• The transceiver starts to send searching signals every 60
seconds.
• The TX/RX indicator lights red and “ ” starts blinking.
• When the transceiver receives an answer back signal, “ ”
stays ON until the next search.
• If no reply is received, “ ” blinks until the next search.
Blinks
Blinks
r
Select “Off” to turn OFF the ATS function.
Smart Ring and ATS
■
(Automatic Transponder System)