TeeJet 844-AB User Manual

Details the procedure to power on the 844-AB console and its initial display.

Explains how to power off the 844-AB console and its automatic power down feature.

Configuration for spraying on two sides of trees in Airblast mode.

Configuration for horizontal spraying of vineyards in Vineyard mode.

Choosing between Airblast (AB) and Vineyard (HC) application types.

Setting the maximum number of sprayer sections for AB or HC mode.

Setting the minimum voltage for the regulation valve for stable operation.

Adjusting the dead band to prevent continuous regulation near the target.

Setting the response time for the regulating valve from fully closed to open.

Defining the allowed tolerance for the displayed dose rate.

Information on a hidden counter for total area covered.

Information on a hidden counter for maximum sprayer speed.

Enabling and using the tank content counting feature.

Enabling or disabling user counters for tracking.

Choosing between US, SI, or SI-I/100m units for measurements.

Option to reset program parameters to default after unit changes.

Selecting the primary sensor (flow meter or pressure transducer) for control.

Configuring the calibration number for the flow meter.

Step-by-step guide for automatically calibrating the flow meter.

Calibrating the zero pressure reading for the pressure transducer.

Setting the maximum pressure rating for the pressure transducer.

Calibrating speed sensors, including auto and manual methods.

Determining speed sensor value via pulses per distance.

Procedure for automatically calibrating the speed sensor.

Procedure for automatically calibrating the radar speed sensor.

Manually calculating and entering speed sensor calibration values.

Testing console and sprayer functions without physical movement.

Setting flow rates for sprayer sections in AB and HC modes.

Selecting and programming up to twelve preset flow configurations.

Setting a reference pressure for flow rate calculations.

Entering flow rates for specific preset levels (1 and 2).

Adjusting the speed of the regulating valve's response.

Configuring the regulating valve plumbing as bypass or throttling.

Setting a minimum pressure threshold for regulation.

Setting the specific gravity of the spray liquid for accurate calculations.

Configuring console communication options like printing or GPS.

Setting the number of faces sprayed by each section in HC mode.

Programming up to six different swath widths.

Choosing a programmed swath width during operation.

Selecting a pre-programmed flow rate for the current application.

Setting the number of nozzles applied to each face in HC mode.

Setting the desired application rate for the spray job.

Using a diagnostic tool to check nozzle configuration effectiveness.

Adjusting pressure to achieve the target application rate.

Adjusting speed to achieve the target application rate.

Activating and setting alternate liquid density for calculations.

Testing console and sprayer functions without physical movement.

Steps for filling, powering on, and commencing spraying operations.

Temporarily adjusting application rate by 10% increments.

Monitoring treated area and total volume applied during operation.

Alert for significant discrepancies between target and actual application rates.

Alert indicating the flow meter is not sending pulses.