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Setup Menu Teledyne API T801 NDIR CO2 Analyzer Operation Manual
74
5.6. SETUP CLK: SETTING THE ANALYZER’S INTERNAL
CLOCK
The analyzer has an internal clock for setting the time and day; it’s speed can be
adjusted to compensate for faster or slower CPU clocks. Press SETUP>CLK to
access the clock.
5.6.1. SETTING THE INTERNAL CLOCK’S TIME AND DAY
The T801 has a time of day clock that supports the time of day TEST function,
the time stamps for the DAS feature and most COM port messages.
To set the clock’s time and day, press:
SETUP X.X PRIMARY SETUP MENU
CFG ACAL DAS RNGE PASS CLK MORE EXIT
SETUP X.X TIME-OF-DAY CLOCK
TIME DATE EXIT
Toggle these
buttons to enter
current hour
SETUP X.X TIME: 12:00
1 2 :0 0 ENTR EXIT
SETUP X.X TIME: 22:30
2 2:3 0 ENTREXIT
SETUP X.X DATE: 01-OCT-09
0 1OCT0 9 ENTREXIT
SETUP X.X DATE: 15-OCT-09
1 5OCT09 ENTREXIT
SETUP X.X TIME-OF-DAY CLOCK
TIME DATE EXIT
Toggle these buttons
to change day, month
and/or year.
EXIT returns to
SETUP X.X
display
HOUR MINUTE DAY MONTH YEAR
SAMPLE CO2 RNG=20.00 % CO2=XXX.XX
<TST TST> CAL SETUP
(The ACAL submenu in the Primary Setup Menu is a special configuration; consult factory).
5.6.2. ADJUSTING THE INTERNAL CLOCK’S SPEED
In order to compensate for CPU clocks that run faster or slower, you can adjust a
variable called CLOCK_ADJ to speed up or slow down the clock by a fixed
amount every day.
07274B DCN6418