Sper-scientific 850069 Environmental Quality Meter w/Sound Manuel d'utilisateur télécharger pdf (Page 25)

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TROUBLESHOOTING

No Display:

 Ensure that you have pressed POWER

for longer than 100mS.

 Ensure that the batteries are in good

condition, have proper contact, and are

in correct polarity. When in doubt,

replace the batteries. (Refer to Battery

Replacement page 24.)

Display Disappeared:

 If the low battery indicator appeared on

the LCD before the display

disappeared, replace the batteries.

(Refer to Battery Replacement page

24).

 Disable the Auto-Off function and place

the unit in Record Mode. (Refer to

Record Mode and Auto-Off Selection

page 20).

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Sper-scientific 850069 Environmental Quality Meter w/Sound Manuel d'utilisateur Page 25