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- While the tuner is in BYPASS mode, it does not retune when frequencies and bands are changed,
and the antenna change rules are retained as assigned by bands in the table of the ANTENNA ASSIGNMENTS
menu (see Section
6.1 ANTENNA ASSIGNMENT Menu
- When the tuner reverts from BYPASS mode, it responds to the actual frequency and antenna at
the time of return. If there is a memorized setting for the current frequency segment and antenna stored in
the tuner memory, it is executed and the segment range is displayed again, with the numerical values of the
boundaries for the frequency segment;
- If there is no setting for the actual frequency segment and antenna stored in the memory at the
time of return from BYPASS mode, the tuner stays in BYPASS mode until the operator starts a full tuning
cycle, using the TUNE button or until the antenna and/or frequency are changed with ones with a tuning
stored in the nonvolatile tuner memory.
3.2.4. АNT Button (Change of Antennas)
Antenna outputs are switched automatically, along with the change of frequency band to the values assigned
to bands by the operator in the table of the ANTENNA ASSIGNMENTS menu (see Section
).
ASSIGNMENT Menu
The ANT button is only available if two or more antennas for the selected band are assigned in the table.
E.g., if Antenna 2 and Antenna 4 have been assigned, the ANT button will switch between them in a
"A2-A4-A2-A4..." loop at each button press, and the unassigned numbers (A1 and A3 in the case) will be
skipped. At each antenna change, the frequency segment indication and tuning setting is refreshed as well
(see Section
3.2.1 Tuner Information Area on the Amplifier Screen
3.2.5. Tuner Related Menus
When a tuner is assigned (see Section
MENU SELECTION makes available four additional tuner related menus:
- ANTENNA ASSIGNMENTS
- ATU MEASURE
- ATU SERVICE
- ATU TUNING SETTINGS LOOK UP/ERASE.
Each of these four menus will be reviewed in detail in Section
range with the tuner segments is refreshed on the amplifier screen, and a message is displayed in front of
the numerical boundaries of the current segment:
If for any reason a good tune is not achieved, a message is displayed instead:
ADVANCED FUNCTIONS AND OPTIONS.
Page 46 of 88 | S e c t i o n GETTING STARTED
User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch
);
4.2 Tuner Assignment and Unassignment
0 After the drive power
ATU MATCHED
NO MATCH FOUND
).
), the main menu of the amplifier
is removed, the frequency
6.1 ANTENNA
October 2023
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