Teledyne 4020 – Hydrocarbon analyzer (special version for automatic background gas switching) - Manual (Page 53)

Total Hydrocarbon Analyzer Operation
Teledyne Analytical Instruments 35
4.6.2 Style Conventions
The following typeface conventions are used when referring to
screen names, key presses and screen readout:
Screens: Arial 12 pt. type in capital letters. Example:
ANALYZE or MAIN screen or menu.
Key presses: The particular keystroke to enter is
placed between < and >. Example:
or or <▲> (UP key) or
<▼> (DOWN key.
Only when the keystroke is to be entered
will it be placed between the brackets. If
discussing a particular key it will be typed
as 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.
4.6.3 Using the Controls
To get the proper response from these controls, press the desired key
( or or <▲▼>. To enter the screen menu, press any
key.
The item that is adjacent to the arrow on the screen as shown in Figure
4-2, is the item that is currently selectable by pressing the key.
Figure 4-2: Typical VFD Screen Layout
In these instructions, to means to press the ENTER KEY,
and to means to press the ESCAPE KEY. To scroll <▲> (or
scroll <▼>) means to press UP or DOWN keys as many times as
necessary to reach the required menu item.