ENMET EX-2000 - Manual (Page 12)

ENMET Corporation EX2000
8
4.0 Maintenance 4.0 Maintenance 4.0 Maintenance 4.0 Maintenance
The EX-2000 is a safety instrument so needs to be calibrated regularly to insure accuracy.
C AUTION : The procedures and adjustments described in the following sections must be performed by authorized personal.
Failure to follow instructions may jeopardize accurate measurements.
To enter the maintenance menus:
1. Insert the programming plug into the programming/charge port on the side of the instrument,
see Figure 1.
2. Press the BACKLIGHT and ALARM switches at the same time.
A flashing pictogram of the maintenance wrench will appear,
to indicate the
EX-2000 is in maintenance mode.
The audio and visual alarms are disabled while the instrument is in maintenance mode.
Press the BACKLIGHT switch to toggle between the programming and calibration menus.
4.1 Programming the EX-2000
The programming menu is used to manually to program the adjustable alarm threshold: Threshold 1 (0 – 60%LEL)
To enter the Programming Menu:
1. Enter the programming menu by inserting the programming plug into the programming port and pressing the
ALARM & BACKLIGHT switches simultaneously. The pictogram of the maintenance wrench will appear and PrOG
will appear on the display, to indicate the EX-2000 is in maintenance mode and ready for programming.
2. While PrOG is displayed press the ENTER switch to enter the programming menu.
The current alarm threshold will be displayed.
3. Modify the alarm threshold:
Press the BACKLIGHT switch to decrease the threshold value. ▼
Press the ALARM switch to increase the threshold value. ▲
4. Press the ENTER switch to enter the new threshold value.
A confirmation request for the new alarm threshold will appear on the display.
5. Press the BACKLIGHT switch to toggle between NON (no) and OUI (yes).
6. Press the ENTER switch to confirm or reject the new threshold.
The instrument will return to the Operational Mode.
Remove the programming plug.