Internal Settings; Before Internal Settings; Mode Switch; Preset Tuning - Icom AT-130 Instruction Manual

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INTERNAL SETTINGS
WBefore internal settings
Before operation, preset tuning setting and emergency
tuning setting are required.
What Is preset tuning
Preset tuning setting provides fast tuning on your most-
used frequency.
HiMode switch
According to the mode switch (S1), the AT-130/E oper-
ates as follows:
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Used only for preset tuning. Refer
reser |e _[Svirac ve
Operates in automatic tuning. For
NORMAL | Center fast tune up, preset switches (S3,
Operates in automatic tuning only.
OFF to This mode is for some non-lcom HF
wer | transceivers, Refer to p. 7 for de-
tails.
'$4, $5) information is also used.
After internal settings are performed, select the mode
switch (S1) to NORMAL mode (center position).
Preset tuning
1) Connect a SWR meter between an HF transceiver and
the AT-130/E.
2) Confirm the mode switch (S1) is in NORMAL mode
(center position).
3) Select your most-used operating frequency.
4) Push the [TUNE] switch on the HF transceiver.
® When the AT-130/E succeeds in automatic tuning, an LED
(DS24) lights up.
© Confirm that SWR reading is less than 2:1.
5) Make a note of which LED's (DS1 —DS23) light up.
6) Select S1 to PRESET mode (upper position).
7) Select the preset switches (S3, S4, S5) so that the
same LED's light up as in step 5).
8) Select S1 to NORMAL mode (center position).
What Is emergency tuning
The Europe version, AT-130E, includes an emergency
tuner circuit for 2182 kHz operation separated from the
automatic tuner circuit. If any signal from the control
cable becomes abnormal, the emergency tuner is auto-
matically selected,
Mode switch (S1) location
9) Replace the top cover of the AT-130.
For the AT-130E, perform emergency tuning settings.
Switch and LED locations
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