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MODEL 1054B pH/ORP SECTION 6.0
KEYBOARD SECURITY
SECTION 6.0
KEYBOARD SECURITY
6.1 KEYBOARD SECURITY. Display Mnemonic COd.
Select this feature to display the user defined security
code. Any three digit number may be used for this
code. 000 will disable the security feature. This item is
used to prevent accidental changes to the calibration
and configuration of the analyzer. When activated, the
analyzer will allow all read functions to read normally. If
an attempt is made to change a value, LOC will display
followed by the Numeric Display ready for the code to
be entered. A proper code will unlock the analyzer and
will return to the last function attempted. Any incorrect
value will result in bAd briefly displaying. The analyzer
will then return to numeric display and await the entry
of the code. Once unlocked, the analyzer will allow
access to all functions until the analyzer is either pow-
ered down or no keystrokes are made for a period of 2
minutes. If the code should be forgotten, pressing and
holding the ACCESS key for 5 seconds will result in
display of the code. Releasing the ACCESS key, then
pressing ENTER will unlock the analyzer.
6.1.2 Keyboard Security (COd).
1. Enter Set Mode by pressing ACCESS key twice.
2. SCROLL (
é
) until COd appears on the display.
3. SELECT.
4. SCROLL (
é
) and SHIFT (
ç
) to display the
desired value, then ENTER it into memory.
NOTE
Entering 000 disables the keyboard
security.
NOTE
Security feature will not activate until 2
minutes without keyboard activity or
power is removed from the analyzer
then restored.