Antenna Tuner Operation; About The Internal Antenna Tuner; Internal Antenna Tuner Operation; D Manual Tuning - Icom IC-7300 Basic Manual

About the internal antenna tuner

The internal automatic antenna tuner automatically
matches the transceiver to the antenna within the
After the tuner matches an antenna, the latching relay
combinations are memori ed as a preset point for
when you change the frequency range, the latching
relay combinations are automatically preset to the
memori ed point for fast tuning.
•
change the antenna settings, you can clear the all
of the internal antenna tuner preset points with the
»
MENU
Preset Memory Clear
• You can select whether or not to save the internal
antenna tuner's status after pushing
set screen.
»
MENU
[TUNER] S itch
NOTE
unlatched condition. In that case, push
relays.

ANTENNA TUNER OPERATION

Internal antenna tuner operation

1. Push
2. Tune the antenna.

D Manual tuning

You can manually tune the antenna before transmitting
1.
2. After tuning, "TUNE" is displayed.

D PTT Tuner start

on each
TUNER
The tuner is always activated when PTT is pushed
NOTE
TUNER to turn
•
•
If the tuner cannot tune the antenna
•
•
•
7-1
to turn ON the internal antenna
TUNER
tuner.
• "TUNE" is displayed when the tuner is ON.
To tune the antenna, see "Manual tuning" or "PTT
Tuner start" below.
for 1 second to start manual
TUNER
tuning.
•
red.
after 20 seconds, tuning stops and "TUNE" goes out.
»
MENU
TUNER
case, hold down for 1 second to manually tune.
tuning, it may success at the second tuning.
narrow bandwidth. These antennas may not tune at
the edge of their bandwidth, therefore, tune such an
1.
second to start manual tuning.
2.
second to start manual tuning.
7
1
2
3
4
5
6
7
8
9
10
11
12
13
PTT Start
14
15
16
17
18
19
20
21
for 1
TUNER
TUNER for 1