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Section 4
Page 25
8544operations.fm Data Logging
4.6 Data Logging
The sampler records the time and date that each sample was collected, up to
400 samples. It also records the time and date of up to 24 missed samples.
1. To access information, the sampler must be in the "Program Halted" or
"Program Complete" standby state.
2. Press TIME/READ for two seconds. The display will read "Samples Taken" .
3. To display the time/date for each sample, press YES. To advance to the
next sample time/date, press
YES again–and so forth, until all are given.
4. To exit this routine, press NO. The time and date of any missed samples
are displayed after collected samples.
The sampler memory incorporates the “wrap around” method of data storage.
That is, when the memory becomes full, the oldest stored data (sample
number, time/date) are dropped as new data are received. The data logger
retains the 400 most recent times/dates for the collected samples.
4.7 Manual Mode
4.7.1 Manually Operating the Sample Pump
1. To manually operate the pump, place the sampler in standby state. The
sampler is in standby state when the display reads "Ready to Start",
"Program Halted", or "Program Complete".
2. To operate the pump, press either the PUMP or PURGE key. This will
cause "Manual Mode - Pump/Purge/Clear" to appear on the display.
Pressing the
PUMP key causes the pump to run in the forward (sample)
direction as long as the key is held. Pressing the
PURGE key causes the
pump to run in the reverse (purge) direction.
3. To run the pump continuously in either direction without having to hold
down the
PUMP or PURGE keys, press the * key. This will cause
"Lock-Pump/Purge" to appear on the display. Then press either
PUMP
or
PURGE.
4. To stop the pump, press STOP PUMP or turn the sampler off with the OFF
key. Pressing
STOP PUMP returns the display to "Pump/Purge/Clear".
13c TRY AGAIN?
If STOP PUMP was pressed before or after the desired rinse time, press YES to initiate
another rinse cycle. Press
NO to view item 16.
14 ENTER ID# Enter an optional identification number if desired.
15
SETUP COMPLETE,
READY TO START
This message indicates that all programming steps have been completed. Press START
PROGRAM
to begin. The display will read "Program Running". To review the program
operating status, press
DISPLAY FEEDBACK.
When you press START PROGRAM, all recorded data are erased from memory. Always
download recorded data before pressing START PROGRAM.
Item
Number
Message Description of Message