Tus neeg siv phau ntawv

XL423 - XL424
EN - 5
3 PREPARATION FOR USE
3.1 PRELIMINARY CHECKS
This instrument has been checked mechanically and electrically before shipment. All
precautions have been taken to assure that the instrument reaches you under perfect
conditions. However, it is advisable to carry out a rapid check in order to detect any
possible damage, which might have occurred during transport. Check the accessories
contained in the packaging to make sure they are the same as reported in § 11.
3.2 POWER SUPPLY
The instrument is powered by 2x1.5V type AA LR06 alkaline batteries. For battery
replacement please follow procedure described at § 9.2.
CAUTION
 After replacing batteries the instrument remains ON also if STATUS and
ALARM LED are OFF. Pressing START/STOP key you activate or disable
recordings only.
 During a recording the blinking ALARM LED every 3 seconds means a low
battery status.
3.3 STORAGE
In order to guarantee the accuracy of measurements, after a period of storage under
extreme environmental conditions wait until the instrument stabilizes within the listed
operating conditions (see § 10.2).