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P/N 06160D DCN6409 Teledyne API Model 465M O
3
Monitor Instruction Manual - Page 37
Table 7-4: Signal I/O List
Signal Name Rear Panel Label Function
AUX 1 IN CTRL IN - 1 UNDEFINED
AUX 2 IN CTRL IN - 1 UNDEFINED
RELAY 1 RELAY 1 SENSOR OK
RELAY 2 RELAY 2 HI ALARM
RELAY 3 RELAY 3 HI-HI ALARM
STAT OUT 1 STATUS OUT – 1 SENSOR OK
STAT OUT 2 STATUS OUT – 2 INVALID READING
STAT OUT 3 STATUS OUT – 3 CHECK LAMP
STAT OUT 4 STATUS OUT – 4 PNEUMATIC ERROR
STAT AUX 1 AUX OUT – 1 UNDEFINED
STAT AUX 2 AUX OUT – 2 UNDEFINED
7.2.3.3. Memory Reset
This function is currently disabled.
7.2.3.4. Zero Calibration
The zero calibration allows the instrument to calibrate it’s internal ozone offset factor.
This should only be done with a source of zero air connected to the “Sample In” port of
the M465M. Allow the instrument to stabilize on the zero air source before attempting to
zero. This normally takes 10-15 minutes.
If the zero calibration is enabled, the internal ozone offset factor will automatically be
reported as zero every 6 minutes. If the zero calibration is disabled, then manual
calibration is necessary based on the customer’s applications. For normal applications,
the zero calibration is not necessary.
When entering the Zero Calibration menu, the prompt “ENT TO CAL” appears on the
display. Simply confirm the calibration by pressing the ENT button to perform the
calibration (to abort the calibration, press and hold the CFG button to return to the
previous menu level.) After pressing ENT, the instrument will automatically exit the
menu mode and return to Concentration mode. The concentration reading should quickly
go to zero.