Teledyne 3000PB - Bulkhead mount percent oxygen analyzer - Manual (Page 13)

1-7
Percent Oxygen Analyzer Introduction 1
Teledyne Analytical Instruments
1.5.4 I/O Power Button
The red I/O button switches the instrument power between I (ON) and
O (a Keep-Alive state). In the O state, the instrument’s circuitry is operating,
but there are no displays or outputs.
CAUTION: The power cable must be unplugged to fully
disconnect power from the instrument. When
chassis is exposed or when inner door is open and
power cable is connected, use extra care to avoid
contact with live electrical circuits.
1.5.5 Access Door
To access the electrical connector panel, or the cell block, the control
panel doubles as a door that can be unlatched and swung open (after unlatch-
ing and swinging open the outer access door). See Figure 1-2.
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
1.7.1 Electrical Connector Panel
The electrical connector panel, shown in Figure 1-3, contains the
electrical connections for external inputs and outputs. The connectors are
described briefly here and in detail in the Installation chapter of this manual.
CAUTION: The power cable must be disconnected to fully
remove power from the instrument.