ENMET OX-2000 - Manual (Page 8)

ENMET Corporation TX2000 / OX2000
4
3.0 Operation
3.1 Turn On the Instrument
The TX/OX 2000 is turned on by pressing momentarily the ENTER switch
A regular audio “
BEEP ” signals that the instrument is operating correctly.
The interval between the " BEEPS " is factory-programmable, and the " BEEPS " can be disabled.
The following appear in succession on the display, accompanied by a continuous visual and audio signal:
Test display
Software version used
Automatic testing of the instrument on power-up, during countdown
Example:
Display in ppm measurement for the toxic gas detected or in % for oxygen
N OTE : The instrument is initialized to detect only one type of gas (toxic or oxygen). The "detected" gas is
programmed at the factory and the instrument is labeled with the type of gas. See section 4.4 table 3 for data
of different sensors
3.2 Turn Off the Instrument
Press and hold the ENTER switch until instrument has counted down and turned off.
The display indicates the following countdown:
• Press and hold the ENTER switch.
• Displays 3-second countdown and turns off (with confirmation
BEEP ).
• Then release the switch.
3.3 Backlight
In order to read the disply in dark locations it is possible to illuminate the display by momentarily pressing the
BACKLIGHT switch.
2 red LEDs placed on either side of the display provide this illumination for about 20 seconds.
r 1.2
– 3
– 2
– 1
– 0
0
– 2
– 1
– 0