Led Indication - Hanna Instruments HI 8510 Instruction Manual

LED INDICATION

LED INDICATION
LED INDICATION LED INDICATION LED INDICATION
All LEDs above the keys indicate the state of each function, whether it
is active or the display is indicating the mode.
For HI 8711 only
Each LED can be in one of the following states:
A) Light on The mode is displayed on the LCD but
is not active, e.g. the alarm setpoint is
displayed but the alarm contact is
open.
B) Light blinking 25% on, 75% off
The mode is not displayed but it is
active, e.g. the alarm contact is opened
but the alarm setpoint is not displayed.
C) Light blinking 75% on, 25% off
The mode is active and being displayed.
D) Light off The function is neither active nor
displayed.
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