Icom IC-28A Instruction Manual page 17

Set tuning step size with SET
SWITCH and TUNING CON-
TROL.
2
~
3
—
Select VFO mode.
4
—
Select frequency with TUNING
CONTROL.
(B USING THE MICROPHONE
1) Select correct MHz range and set
tuning step size.
2) Push UP or DN SWITCH on
microphone.
ШП TRANSMITTING
1) Push PTT SWITCH on microphone.
PTT
SWITCH
2) Speak into microphone.
3) Release PTT SWITCH.
eSELECTING OUTPUT POWER
2) Push the SET SWITCH repeatedly until the TS INDICATOR
appears flashing on the display.
e The currently programmed tuning step size also appears:
IC-28A: 5, 10, 15, 20 or 25kHz
ІС-28Е: 12.5 or 25kHz
e To change the tuning step size, turn the TUNING CONTROL
until the desired step size appears. |
3) Push the VFO side of the VFO/MR SWITCH to select the VFO
mode.
4) Use the TUNING CONTROL to select the exact frequency
desired.
e As the TUNING CONTROL is turned, the frequency changes in
increments as set in step 2).
1) Follow steps 1) through 3) under @ USING THE TUNING
CONTROL. |
2) Push the UP SWITCH or DN SWITCH on the microphone until
the correct frequency appears on the display.
eEach time the UP SWITCH or DN SWITCH is pushed, the
frequency changes by one increment.
elf these switches are held down for longer than about 1/2
second, the frequency scan function begins. Refer to SECTION
5-3 FREQUENCY SCANNING.
Before transmitting, ensure your transmit frequency is not being
used by other stations.
1) Push and hold the PTT SWITCH on the microphone to activate
the transmitter.
e The red T/R INDICATOR lights and the S/RF INDICATOR
shows the relative output power of the transmitter.
2) Speak into the microphone using your normal voice level.
e Do not hold the microphone too closely to your mouth or
speak too loudly. This may cause a distorted signal.
3) Release the PTT SWITCH to stop transmitting.
e The red T/R INDICATOR goes out.
e The receive mode is restored.
Push the HI/LO SWITCH to alternately change between the HIGH
or LOW transmit power.
e When the LOW power is selected, the LOW INDICATOR appears
on the display.
eHIGH POWER: 25W LOW POWER: 5W