Hach-Lange SI794 P User Manual - Manual (Page 66)

66
Calibration
Calibration adjusts the transmitter to the electrode.
Activation Activate with cal
Enter passcode.
Use  and  to edit a
parameter.
Press enter to confirm/continue.
(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.
Exit Press cal to exit. The measured
value 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).