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M400E Ozone Analyzer Operator’s Manual Basic Operation of the M400E Analyzer
Example: If all passwords are enabled, the following keypad sequence would be required to enter the VARS or
DIAG submenus:
SYSTEM ENTER SETUP PASS:0
8 1 8 ENTREXIT
SYSTEM ENTER SETUP PASS:0
0 0 0 ENTR EXIT
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG EXIT
EXAMPLE: This
password enables the
SETUP mode
Press individual
keys to set
number
M400E enters selected menu
SAMPLE RANGE=500.0 PPB O3= XXXX
<TST TST> CAL SETUP
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE EXIT
NOTE
The instrument still prompts for a password when entering the VARS and DIAG menus, even if
passwords are disabled, but it displays the default password (818) upon entering these menus.
The user only has to press ENTR to access the password-protected menus but does not have to enter
the required number code.
04315 Rev. C1 67