Icom IC-910H - Split Frequency Operation; Full Duplex Operation

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RECEIVE AND TRANSMIT
n Split frequency operation
Split frequency operation allows you to transmit and
receive on two different frequencies in the same fre-
quency band. Split frequency operation uses 2 fre-
quencies, one in VFO A and the other in VFO B.
q Set a receive frequency in VFO mode.
 •EitherVFOAorVFOBcanbeused.
w Push [A=B 2] for 1 sec.
 •TheundisplayedVFOcontentsareclearedandequal-
ized to the displayed frequency.
e To change the receive frequency, rotate the tuning
dial.
USB
VFO A
r To replace the transmit and receive frequencies,
push [A/B 3].
USB
VFO B
t To change the transmit frequency, rotate the tuning
dial while pushing [CHECK 7].
y Push [SPLIT].
 •“SPLIT”indicatorappears.
 •NowyoucanreceiveonthedisplayedVFOandtransmit
on the undisplayed VFO.
 •Tomonitorthetransmitfrequency,push[CHECK7].
USB
SPLIT
VFO B
u Push [SPLIT] to cancel the split frequency opera-
tion.
 •“SPLIT”indicatordisappears.
[A=B 2]
[A/B 3]
[SPLIT]
[TRANSMIT]
Cross mode communication can be performed using
the split function. (e.g. USB and CW)
n Full duplex operation
The MAIN and SUB bands are activated independent-
ly, therefore, simultaneous transmission and reception
in different frequency bands are possible.
qPush[M/S•BAND]toselectthedesiredfrequency
band for transmission.
 • Push [V/M 1] to select VFO or memory mode, if desired.
 •Push[SSB/CW]or[FM]toselectthedesiredoperating
mode.
w Rotate the tuning dial to set the desired frequency.
 • Direct frequency input from the keypad is also available.
e Push [SUB] to enable the SUB band access.
 •Push[M/S•BAND]for1sec.toselectthedesiredfre-
quency band, if desired. (when the optional UX-910 is
installed.)
 •
Push [V/M 1] to select VFO or memory mode, if desired.
 •Push[SSB/CW]or[FM]toselectthedesiredoperating
mode.
r Push [PTT] to transmit.
• SUB band mute function
The SUB band mute function mutes receiving audio
from the SUB band while transmitting.
q Push [SET] then [TRANSMIT] to enter the TRANS-
MIT set mode.
w Push [DN Z] or [Y UP] to select the SUB band
mute item.
 •“Audio”isdisplayed.
e Rotate the tuning dial to turn the SUB band mute
function ON and OFF.
 •Push[M-CL5]for1sec.toreturntothedefaultsetting.
r Push [TRANSMIT] to exit from the TRANSMIT set
mode.