ENMET MX-2100 - Manual (Page 15)

MX2100 ENMET Corporation
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4.0 Maintenance
W ARNING : The MX-2100 is a safety instrument and, therefore, it must be calibrated quarterly
These operations, explained in this section, must be performed by authorized, qualified personnel only as they could adversely
affect detection safety.
The MX-2100 maintenance menus that are accessed by pressing the MENU switch and entering a valid access code. The
access code is set at the factory and may be changed by following the access code menu.
4.1 Maintenance Menus
With the instrument in normal operation mode, menus can be accessed in the following manner:
Scroll through the parameters using the Backlight switch until a request for an access code appears. The access code is in four
digits.
Advance to each digit with the Backlight switch
Select the digit with the Audio Switch and then confirm the access code (1270) with the ENTER switch.
The list of available menus is then displayed:
Menu Function
Programming Turn the channel on or off, choose alarm points
Calibration Select Calibration gas, check zero reading, apply calibration gas, confirm calibration
Auto-Zero Set Clean Air for all channels
C AUTION : this menu must be used in a ‘Clean Air’ environment Only.
Date And Time Set time and date to regional area
Exit Return to Operational Mode
4.2 Programming Menus
With the MX-2100 turned on:
Press the backlight switch 8 times, this will place the instrument at the Maintenance Access Code window.
The factory default access code is 1270.
Press the Audio switch to increment the digit then press the Backlight switch to move the cursor to the next position.
Continue this process until the access code is displayed and then press the Enter switch.
If the code is correct the Menu window will display.
The program menu will be highlighted.
Press the Enter switch.
If necessary use Audio and Backlight switches to highlight desired information.
When highlighted information is correct press Enter switch.
To exit the Maintenance Menu highlight the Exit Menu and press the Enter switch.
The display will return to the Normal Operational Mode.