Teledyne 2020 - Explosion proof thermal conductivity analyzer - Manual (Page 11)

1-5 Teledyne Analytical Instruments
Thermal Conductivity Analyzer Introduction 1
• CONTRAST Adjust LCD contrast.
• STANDBY Leave analyzer powered, but no outputs or displays.
WARNING: THE POWER CABLE MUST BE DISCONNECTED TO
FULLY REMOVE POWER FROM THE INSTRUMENT.
Subfunctions: Once a Function is entered, the UP/DOWN switch is
used to select between any subfunctions displayed on the VFD screen.
Parameter values: When modifiable values are displayed on the
VFD, the UP/DOWN switch can be used to increment or decrement the
values.
1.5.2 ESCAPE/ENTER Switch
Data Entry: The ESCAPE/ENTER switch is used to input data, from
the alphanumeric VFD screen into the instrument:
• Escape Moves VFD display back to the previous screen in a
series. If none remains, returns to the Analyze screen.
With subfunction selected, moves VFD back through
items on screen, to first item, then moves VFD to
previous display.
• Enter With a Subfunction Selected: Moves VFD on to the
next screen in a series. If none remains, returns to the
Analyze screen.
With a Value Selected: Enters the value into the
analyzer as data. Advances VFD to next operation.
(See Chapter 4 for details.)
1.6 Recognizing Difference Between LCD & VFD
LCD has GREEN background with BLACK characters. VFD has
DARK background with GREEN characters. In the case of VFD - NO
CONTRAST ADJUSTMENT IS NEEDED.
1.7 Equipment Interface
The electrical connection are described briefly here and in detail in
chapter 3, Installation.
Electrical Connections: The electrical connections on the electrical
connector panel are described briefly here, and in more detail in chapter 3
Installation.
Contrast Function is DISABLED
(Refer to Section 1.6)