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5. Enable or disable auto power off. Once the format of decimal point divisions has been

set and stored, the display will show the word “yES’ over the term “PoFF”. Press the

or button until the desired automatic power off management scheme (“yES” for

enable; “no” for disable) is displayed. Press the REC/ENTER button to store the selection.

If enabled, the power off function shuts off the HHSL402SD after a period of inactivity of

ten minutes.

6. Enable or disable the beeper. Once the auto power off function has been enabled or

disabled, the display will show the word “yES” over the

word “bEEP”. Press the

button until the desired setting (“yES” or “no”) is displayed, and then press the

REC/ENTER button to store the selection as the default.

7. Set the datalogging sampling time. Once the beeper has been enabled or disabled, the

display will show a value above the letters “SP-t”. Press the

or button to decrease

or increase the value until the desired sampling time appears above “SP-t”. The options

are 0, 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800 and 3600 seconds (0 seconds to 1 hour).

8. Format the SD card. Once the sampling time has been set and stored, the term “Sd-F”

will appear in the lower half of the display. Press the REC/ENTER button.

Pressing the REC/ENTER button causes the word “

no” or “yES” to appear over the term

“

Sd-F”. Press the

button to make a selection. Choose “yES” whenever a new SD card is

being used, or when a used card is being repurposed (from use with another SD card

instrument or a camera, for example) and all data on it is to be erased. Choose “no” to

preserve any data on a card previously used with this instrument.

If you choose “yES”, after you press the REC/ENTER button the instrument will prompt you

to confirm

that decision by displaying the term “Ent” below “yES” and sounding three

eeps. To confirm that you want to begin the erasure/formatting procedure, press the

REC/ENTER button. “Ent” will then flash several times and the instrument will sound

another three beeps to confirm that the SD card has been erased and formatted.

Once the SD card has been formatted (or not), the display will then either return

to the first

of th

e six steps in the setup sequence—setting the current date and time—or show the

term “ESC”. If “ESC” appears, press the POWER/ESC button to exit the setup procedure and

enter normal operating mode.

Omega HHSL402SD User Manual

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