4 Control and display elements EFA-200/-300
4-6
Figure 4-1 Display when setting the contrast
4.3 Basic Unit indicators
Element Function
ON INDICATOR, GREEN
Indicates that the instrument is ready to use.
CHARGE INDICATOR, YELLOW
Battery charging indicator
• On continuously during charging.
• Flashes slowly if there is a fault during charging.
• Flashes rapidly when trickle-charging.
ALARM INDICATOR, RED
Alarm indicator
• Flashes during the self test.
• Flashes if the alarm threshold is exceeded when
the alarm function is activated.
BEEP ALARM
Built-in audible alarm indicator
• Emits a continuous tone when the alarm threshold
is exceeded.
• Emits a continuous tone when the measured value
is outside the measurement range.
• Emits two beeps after a successful self test.
• Emits two or three beeps when a fault occurs.
Table 4-2 Overview of indicators
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