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TW-357 REV E
29
Menu Password
When the menu password is active, it is possible to review all of the control settings without having the
password. When a password is activated and the user presses the menu key, two choices are available:
1) MENU (PASSWORD REQ)
2) CONTROL SETTINGS
By selecting choice #2 the user can go through the menu system and see all of the settings in the control but in
this mode, the user cannot change any settings. If either the power-on or the menu passwords are forgotten, the
user can reset the password by typing in 9999 when asked for the password. The KRYOS will display an 8-
digit number. Call your distributor or Taylor-Wharton with the 8-digit number to obtain a unique 8-digit
number to type into the control. When this number is entered, all passwords are cleared.
Serial Communications and RS-232 Settings
The KRYOS control system is designed with a 2-way serial communication feature. RS-232 (MENU, 6, 1)
allows the user to configure the serial port to “talk” with other Data Terminal Equipment (DTE). The control
can send data through it’s serial port to a computer, a printer or a modem. System logs, error logs or
temperature logs are always available for download. In addition to downloading data, the control can accept
commands through the serial port. Control settings can be viewed or changed at any time. Also remote
diagnostics can be performed.
If the RS-232 is enabled the handshaking can be turned on and off. This feature allows two devices to
communicate when sending data. Also the baud rate can be set for the following speeds: 300, 1200, 2400,
4800, 9600 or 19200 baud.
Time and Date Set
TIME AND DATE SET can be changed through the menu system. (MENU, 6, 2, 1). The date and time will be
set at the factory to Central Time, USA.
User Access Logs
The USER ACCESS LOGS (MENU, 4, 3) track all personnel who enter the freezer by asking for an
identification number when the lid is opened. When this feature is enabled, the control asks for an
identification number any time the lid is opened. An entry is then recorded in the log indicating the time, date
and identification of the person entering the freezer. The user has 30 seconds to enter an ID code (the 30
seconds is counted down on the screen). If an ID is not entered within the 30-second time frame, the log
indicates that an unidentified user accessed the freezer. Identification numbers range from 00 to 99.