APPENDIX A-2: Serial I/O Setup Variables Teledyne API - Models T703, T703U, 703E MENU TREES (05745E DCN6572)

A-16

Setup Variable Numeric
Units Default
Value Value
Range Description
LAMP_PWR_ENABLE — ON OFF, ON
ON enables photometer lamp
power cycling.
OFF disables it.
LAMP_PWR_PERIOD Hours 24 0.01–1000
Photometer lamp power cycling
period.
LAMP_OFF_DELAY Seconds 0.1 0.02–5
Length of time photometer lamp
is turned off.
DET_VALID_DELAY Seconds 20 1–300
Delay until valid concentration is
computed.
REF_SDEV_LIMIT mV 3 0.1–100
Photometer reference standard
deviation must be below this limit
to switch out of startup mode.
PATH_LENGTH cm 41.96 0.01–99.999 Photometer detector path length.
30 BOX_SET ºC
Warnings:
5–45
0–100 Internal box temperature set
point and warning limits.
GAS_MOL_WEIGHT MolWt 32 1–99.999
Molar mass of sample gas for
computing concentrations by
weight instead of volume.
SERIAL_NUMBER —
“00000000 ” Any character
in the allowed
character set.
Up to 100
characters
long.
Unique serial number for
instrument.
DISP_INTENSITY — HIGH HIGH,
MED,
LOW,
DIM
Front panel display intensity.
Enclose value in double quotes
(") when setting from the RS-232
interface.
I2C_RESET_ENABLE — ON OFF, ON I2C bus automatic reset enable.
07223C DCN6572