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6 Operation
HP289
3.1 Front Panel Operation
The four key operation makes the operation of the Batch Controller
very easy.
3.1.1 Setting the Batch Quantity
The batch quantity is set as follows:
Switch Action Display Comments
Press BATCH SET Batch "Batch" is displayed for one second
followed by the batch quantity last
entered. The Batch Set LED lights.
"1" 2345 The most significant digit flashes
indicating that it can be changed.
Press r "2" 2345 Pressing the DISPLAY key will
increment the digit. The up arrow on the
DISPLAY key indicates to increment
digit.
Press w 2 "2" 345 Pressing the RUN key will change digit
and enable the next digit to be
incremented. The right arrow on the
RUN key indicates to change digit.
Press BATCH SET Set Once the desired number is entered,
press the BATCH SET key to return to
the Run mode. The Batch Set LED will
extinguish.
Once set, the batch quantity will be retained in the non-volatile memory
and will not alter until changed by the user.
The batch quantity can only be set while the instrument is in non-
operational state such as when the batch is complete or if the batch
process has been interrupted. However, the Batch key can be pressed
while in the run state and the batch quantity displayed. All digits will
flash to signal the quantity cannot be changed.