The Hydran M2-X’s user interface is protected by two passwords. A password is
required to modify parameters:
• Password No. 1 (first level): The password No. 1 is 1253. It gives access to
most variable adjustment functions.
• Password No. 2 (second level): The password No. 2 is 1231. It gives access to
the following items:
• Setup > Calibration (to calibrate the Hydran M2-X’s I/O’s and sensor
board).
• Service > Install New Sensor (to enter the sensor parameters).
• History Setup > Clear HM2-X History File (to erase the history files).
Password protection prevents accidental or unauthorized change of the Hydran
M2-X’s parameters. The passwords should be disclosed to authorized personnel
only, particularly password No. 2. The passwords are common to all Hydran M2-X’s
and cannot be changed.
When the Hydran M2-X requests a password, one of the two following messages
is displayed:
• Password 1?
:1247
• Password 2?
:1247
Use the Up or Down keys to increment or decrement the displayed value, and
press the Enter context key to accept the value. The user is now authorized to
change the protected parameters until he quits the Menu Navigation mode. No
password will be requested again unless a higher-level password is required.
Note: All modifications are recorded in the Events history file. See Section 3.4.2.3.
3.2 Setup Menu
3.2.1 Alarms Setup
These functions are identical to the ones in Alarms > Alarms Setup. See Section
3.3.2.
3.2.2 Date & Time
The Date & Time function is used to change the date and time of the Hydran M2-
X.
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