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If the minimum level of SWR is > 3, the red LED flashes and
the message "WARNING: SWR> 3 - PRESS ANY KEY" will show.
PROCEDURE FOR MANUAL TESTING OF MOTOR CONTROL
- Press the / for 3 seconds
- Enter the tuning frequency in KHz and press ENTER
- The display shows the frequency set on the second line and the SWR
measured in real time
- You can operate the motor by pressing 9 (to open) and 3 (to close) – HIGH SPEED
- You can operate the motor by pressing 8 (to open) and 2 (to close) – LOW SPEED
- You can operate the motor by pressing 7 (to open) and 1 (to close) – FINE TUNING
- The blue LED indicates that there is power being consumed by the motor
- To return to the home screen, press BACK SPACE
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FULL AUTO MODE and SEMI AUTO MODE
The ATU 2.0, with the I/ORS232 plug and play card, can interface via RS232 port with the
most popular HF radios on the market:
ICOM
with CT-17c cable by LOOP ANTENNA or
with opt. CI-V CT17 interface and DB9f/DB25m cable
YAESU via DB9 CAT port and DB9 f/f cable
via 8 pin port and CT-62 cable
KENWOOD – ELAD Duo with DB9 f/f cable
ELECRAFT with Elecraft KXSER cable
FLEX Radio
with DB9 (9-pin) cable – USB to RS232 Adapter null modem
Cables are available at www.ciromazzoni.com/shop
Follow the below operating procedure to use these modes and select the radio connected
to the ATU 2.0
FULL AUTO MODE
- Press the – key for 3 seconds
- The display will show SET FULL AUTO?
- Press ENTER
- Scroll through the menu with + button:
- ICOM MODE
- the ATU automatically scans to detect the address of the ICOM transceiver connected
(ref. to CT17 manual). When the scan is complete, the ID is displayed on the device
detected and will ask the operator to confirm the setting. You can cancel scanning at any
time by pressing the DELETE key or the BACKSPACE key.
- CAT MODE
- CAT YAESU CT-62 - YAESU 8 pin data port (eg. FT-817/ 857 / 897)
- DISABLED - to exit FULL AUTO MODE
- Press ENTER to confirm
- When you set the ATU in FULL AUTO MODE, the working frequency is read
continuously from the transceiver. Also, the calibration is performed automatically
when the set frequency differs in the range of 2 KHz 1,7-10MHz, and 3 KHz in the
range 10-30MHz
- Automatic re-calibration starts when the frequency of the RTX has not changed for at
least three seconds.
FLEX Radio ELAD Duo ELECRAFT
KENWOOD YAESU (RS232 data port)
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