3M SP-DL-1, User Manual

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Appendix A 132
Models SE and DL
Other
Maximum peak level
- 3 dB over the full scale reading.
Calibration
Pre-calibration
- When performed, valid prior to the start of a session.
Post-calibration
- When performed, valid for the previous study in the ses-
sion.
Storage
- All calibrations for a session are stored in the related session file.
Calibrators
- All 3M Calibrators have an output of 114dB at 1 kHz, and some
may have other settings. See “Preparing to calibrate” in Chapter 6) or
additional information about calibrators.
Studies and sessions
Run-time clock
- Duration of every run and session shown in screens as
well as added to the session file.
Manual operation
- Run, Pause and Stop keys.
Programmed operation
- Three Auto-Run modes:
•
Date (four options).
•
Day of the week (any time on any day).
•
Timed (future start time).
Triggered runs
- Trigger on measured SPL or on external input. Triggers
can start a study, then either pause in the session or stop the session.
Triggered outputs
- Output logic signals related to run status.
Special features
Security
Runs
- Prevents the pausing of a study without first providing a 4-digit code.
Setups
- Prevents the changing of settings without first providing a 4-digit
code.
Codes
- Run and setup security can use different codes.