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3.2 Power On/Off
Switch the head unit on via the toggle switch on the rear of the instrument.
The instrument powers up and displays the software version installed e.g. 'A704' then
'Exxx' then 'Rxxx' (software version WZ704-xxx rev.xxx). It then enters its normal
operating mode and displays the forward speed channel.
Select any other channel by pressing the
When the Multi-Seeder is out of work, the instrument will continue to display the
selected channel.
3.3 Work Status Indicator
The
indicator is used to indicate the channel to which the information on the
display relates.
It also shows the working status of the Multi-Seeder. If the cursor is flashing then the
Multi-Seeder is out of work, if the cursor is on continuously then the Multi-Seeder is in
work.
3.4 Starting and Stopping the Seeding
The pushbutton switch is used to manually switch the feed motor on and off when the
Multi-Seeder in work*.
The Multi-Seeder is also fitted with a cutout finger switch so that the feed motor starts
and stops automatically when the implement is lowered and raised e.g. on the
headlands.
* The pushbutton switch is not effective when the implement is raised out of work, as it
is overidden by the operation of the cutout switch mounted on the implement.
3.5 Pre-start function
On commencing a bout, the seed motor only starts as you begin moving off. However,
it takes a short period for the seed to traverse the pipe to the coulter. The result is an
unseeded area at the beginning of a bout.
To avoid unseeded patches due to the delay in seed delivery, once positioned and
stationary at the start of the bout, press the outside right switch ("RATE +"). The pre-
start function is activated and the motor then runs at the calibration speed, so that
seed is planted as you move off.
The pre-start function is timed to run the motor at the calibration speed for a number of
seconds equal to the implement width in metres (e.g. 4m implement = 4 seconds pre-
start). After this time and the implement is moving forwards, the system reverts to
normal proportional control for the seed rate set. However, if after this time the
implement is still stationary, the motor will automatically switch off.
HE-VA Auto-Controller AC-Lite - May 2016
(Channel Select) button once or more.
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