INFICON IC/5 Thin Film Deposition Controller - Manual (Page 203)

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IC/5 Operating Manual
CAUTION
If a lock code is not set, that is, if it is set to zero, then
powering up and pressing the Clear key will default all the
instrument’s parameters.
When a Program Lock Code is entered, that code must be entered in the
Program Display in order to change any of the set-up parameters in the
instrument.
SENSOR-I/O LOCK CODE . . . . . . . 1 to 9999, 0
The Sensor-I/O lock code provides privileged access to programming the
SENSORS and I/O devices. Parameters for these devices can be reviewed but
cannot be changed unless the correct lock code is entered. Values range from
1 to 9999.
Before changing the sensor I/O lock code, the current code must be entered.
Entering a new value of zero erases the lock code and provides open access.
The default condition is unlocked for open access. If a nonzero lock code is
programmed, the lock code can be reset to the unlocked condition by pressing
the Clear key while powering up the instrument.
CAUTION
If one or both lock codes are nonzero, powering up the
instrument while pressing the Clear key will erase the
lock code(s). If the lock codes are set to zero, then
holding in the Clear key while powering up the
instrument will set all the instrument’s parameters to
their default values.
When a Sensor-I/O Lock Code is entered in UTILITY Set-Up, that code must
be entered prior to Sensor or I/O Set-Up in order to change any of the Sensor
or I/O parameters.