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4.
INSTRUMENT OPERATION
4.1. General
The IEQ Chek™ has an extensive menu system allowing the user to access a wide
range of features and functionality. All features and functions can be set to meet the
user's specific requirements.
BUTTON PRESSING: The three membrane push-buttons on the front face of the
instrument should be pressed firmly. They have been designed such that an
accidental light touch does not register and change something unintentionally.
SECURITY CODE: Some functions within the menu system are protected by a
security code to prevent unauthorized or untrained personnel from accessing them
and changing critical values. All IEQ Chek™ instruments are shipped from the factory
with a generic security code of:
It is recommended that the user change this to a code known only to authorized
personnel.
DISPLAY ICONS: In addition to menus and sensor readings, the LCD of the IEQ
Chek™ may display icons to inform or alert the operator of certain operating
conditions. A summary of the common icons is provided below.
Icon
Battery
DataLogging
AC Adapter
Lock
Temperature
1509-9001 Rev 1
1
Name
This icon is displayed when the instrument is being
powered by batteries. The battery icon flashes when the
battery power is low.
This icon is displayed when datalogging is enabled.
This icon is displayed when the AC adapter is connected
and the unit is charging.
This icon is displayed when the instrument is locked. To
unlock the instrument, enter the 4-digit security code.
This icon is displayed next to the current temperature
reading.
IEQ Chek
2
3
Description
Operation Manual
4
9
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