Teledyne 4040 - Methane / Nonmethane analyzer - Manual (Page 45)

Operation
Teledyne Analytical Instruments 45
text using all caps. Example: this is
the ENTER key.
Screen Modes: Times New Roman 12 pt. italic.
Example: Analysis Mode or Setup
Mode.
Screen Readout: Arial Narrow, 12 pt bold.
Example: AUTOCAL or Zero in 12
days.
4.4 Navigation and Data Entry
Note: All menus time out after 15 (fifteen) seconds elapse
with no button presses, the analyzer returns to the
ANALYSIS SCREEN, if parameters have been altered
but not saved (with the ENTER key), the alterations are
lost.
Navigation and Data Entry is possible using 2 ARROW KEYS, the
ENTER key, and the ESCAPE key. It is important to read and
understand the MENU STRUCTURE section to fully understand
navigation and data entry.
4.4.1 Arrow Keys
Pressing the ARROW KEYS select menus and modifies values.
1. In the ANALYSIS SCREEN, the ARROW KEYS cause
entry into the MAIN MENU.
When the selected option is a function on the MAIN MENU or any SUB
MENU
screen, the ARROW KEYS move to the next lower or upper
menu.
If the selected option is a MODIFIABLE ITEM (value is flashing), The
ARROW KEYS increment or decrement numeric values or toggle
ON/OFF, YES/NO, or ENABLE/DISABLE type values.
4.4.2 ENTER
The ENTER key is used in several context-sensitive ways.
2. When showing the CH4/NMH analysis modes, the ENTER
key toggles the LINE 2 display.
LINE 2 display mode 1 data:
- Current analysis mode