Hach-Lange SI794 D User Manual - Manual (Page 64)

Calibration
Calibration adjusts the transmitter to the sensor.
Activation Activate with cal
Enter passcode.
Edit parameter using  and ,
confirm/proceed using enter.
(To exit, press cal, then enter.)
HOLD
During cali-
bration the
transmitter
remains in
the Hold
mode.
During calibration the transmit-
ter remains in the Hold mode
for reasons of safety. Output
current is frozen (last value or
preset fixed value, depending
on configuration), limit and
alarm contacts are inactive. The
controller is in the configured
state, Sensoface is off, “Calibra-
tion” mode indicator is on. The
red LED blinks when “HOLD ON”
has been set.
HOLD icon
Input errors The calibration parameters are
checked during the input. In the
case of an incorrect input “Err” is
displayed for approx. 3 sec. The
incorrect parameters cannot be
saved. Input must be repeated.
End End with cal. The measured val-
ue is shown in the main display
alternately with “Hold”, “enter”
blinks, Sensoface is active. Press
enter key to end the Hold mode.
The measured value is displayed.
The output current remains
frozen for another 20 sec (HOLD
icon on, “hourglass” blinks).
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