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Power On
There are two ways for your instrument to be powered on:
• The unit will turn on and begin recording automatically when the engine is
started.
• The unit can be turned on with the Exit/Power button before the engine is
started. It will then begin recording when the Lap switch is pressed or it
passes a beacon (if you are using a receiver). Also, when the engine is
running, the Exit/Power button can start and stop recording.
Display Resolution
When the instrument is powered on, the display is in high resolution.
• To change the display resolution, press the and the buttons at the same
time.
High Resolution:
• Highest number displayed is 1:59.9
• After that time, the instrument continues to record, and the 1 on the left of
the display toggles every other minute.
Low Resolution:
• Highest number displayed is 19:59
• The instrument continues to record after this amount of time and the 1 on
the left of the display toggles every 20 minutes.
Setting Limits and Calibration Number
Before using your DT-40K, be sure to set the operating limits for each input.
Limits allow the instrument to give you a visual warning (the display flashes) if
any of the inputs exceed their limit.
For detailed information on setting limits see Appendix B.
