2.2 Operating Principles
Operating the
instrument
Turn on instrument
Turn off instrument
The instrument is operated either by the pressing its buttons (ON/OFF button, Func-
tion button) or by a handheld.
Operation by buttons
The instrument is operated by pressing its buttons. Refer to "2.1 Keyboard" for a
description of the buttons and their function.
Operation by handheld
The instrument is operated by a handheld. Refer to the Field Software User Manual
for more information.
To turn on the instrument press and hold the ON/OFF button for 1 s.
To turn off the instrument press and hold the ON/OFF button for 3 s until the instru-
ment beeps 3 times and only the red power LED is lighted.
User Interface
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