DigitalFlow™ GF868 Programming Manual (1-Channel) 53
Chapter 3. Logging Data
3.2.6 DURATION Prompt
If a circular log was specified, the programming sequence continues here after the log start time and/or start date is
entered.
14. Press [F1] and enter a log duration in hours or press [F2] and enter a log duration in days. When the desired value
has been entered, press [ENT]. The program proceeds to step 16.
3.2.7 LOG TIME Prompt
If TIMED was selected at step 12, the programming sequence continues here.
15. Use the [, [ and [F1]-[F4] keys to select the desired log duration.The available options are: 10min, 30min,
60min, 3 HR, 6 HR, 12 HR and 24 HR.
3.2.8 TIME INCREMENT Prompt
Regardless of which of the various options were selected during the previous programming steps, all of the paths
converge at this point.
16. Use the [, [ and [F1]-[F4] keys to select the desired Time Increment. The available options are: 5sec, 10sec,
30sec, 1min, 3min, 6min, 12min, 30min and 60 min.
The time increment is the frequency at which the Model GF868 takes and records data measurements. If any reading
takes longer than the programmed time increment, the log is filled in with the next consecutive reading. For example,
assume that a velocity value of 3 ft/sec is recorded at 12:00:00 in a log with a time increment of five seconds. If the
next reading is 8 ft/sec and it takes the meter 12 seconds to read this value, then both of the missed readings (12:00:05
and 12:00:10) will be filled in with the 8 ft/sec value.
3.2.8a Procedure Options
You have completed entering data for a standard log. You can now do one of the following:
• Use [ and [ to review the previous menu prompts.
• Press [F1]-[F4] to select one of the LOG submenus.
• To return to the data screen and begin logging data, press the [ENT] key.
Although each log is restricted to only three logged parameters, it is still possible to log more than three parameters.
Simply re-enter the
STD submenu as many times as necessary to set up additional logs. Select the other desired
parameters, and run these logs simultaneously with the first log.
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