Campbell Scientific PVS4151C PVS4100/4120/4150 Portable Automatic Samplers - Page 43
TABLE 5-1., Touchpad Button Descriptions, Button, Description, or event. Options: DISABLE, TIME/DAY
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Button Section 5. Programming TABLE 5-1. Touchpad Button Descriptions Description The RESTART key is used to load any new parameters into the operating program. Pressing it twice will initialize the program and terminate any existing sample program. Any parameters altered under the SET command are updated to the active program. If no parameters have been changed, the program is reset to its first instruction and the same sampler program is started again. This key requires a confirming second activation to complete its function. WARNING: Any program in progress is ended and all data is lost. SAMPLES TAKEN [VIEW]. The total number of samples taken can be shown on the display. REMAINING PULSES [VIEW]. In modes using internal or external pulse counting, the current status of the pulse count can be displayed. REMAINING TIME [VIEW]. Various views are available dependent on the method used to gather samples. Program variables will determine whether the displayed time is REMAINING TIME, ELAPSED TIME or START DELAY. START DELAY [VIEW/SET]. The start of a sample program can be made to occur at a fixed time or event. Options: DISABLE, TIME/DAY, PULSE INPUT, 4-20mA INPUT, EXTERNAL CONTACT, LEVEL CONTROL. SAMPLE INITIATION [VIEW/SET]. A sample program may be initiated and controlled by various internal and external parameters. These parameters determine how the program will begin its actions and how the results will be recorded. Options: DISABLE, INTERVAL TIME, PULSE INPUT, 4-20mA INPUT, EXTERNAL CONTACT. PROGRAM TYPE [VIEW/SET]. A sample program can be made to collect samples in a fixed style so that the results are useable in different ways. The type of program used may be hardware dependent. This will determine the sampler's ability to collect and store the desired samples. Options: COMPOSITE, DAILY CYCLE, CONSECUTIVE, MULTI-COMPOSITE, TIMED STEP. ACTIVE SETTINGS [VIEW]. Current sample program parameters can be reviewed by scrolling through them using the ENTER key as a toggle. NEW ENTRIES [SET]. Program all major program settings at once (including START DELAY, SAMPLE INITIATION, PROGRAM TYPE, and PURGE TIME). [VIEW]. Review parameters that have been changed since the sample program was started (only if the changes have been properly ENTERED). Scroll through them using the ENTER key as a toggle. OTHER OPTIONS [VIEW/SET]. Various options relating to equipment and information retrieval are available under this key. Changes in equipment setup can be entered here, and certain status information is also available here. Options: CLOCK, PURGE TIME, PINCH VALVE, FAULT SHUTDOWN, SAMPLER STATUS, CYCLES ABANDONED, BOTTLE POSITION, MAINTENANCE. 5-3