horiba APNA-370, Operation Manual, Page: 14 / 113

1 OVERVIEW
2
1.3 Part Names
1.3.1 Front panel
Fig. 2 Front panel
Name Description
1 Power ON LED
When APNA-370 is ON, this LED is illuminated as follows:
Green: During normal operation Red: In alarm conditions
2 Touch panel Displays the measured values, alarms, etc. and touch-keys for operation.
3 RS-232C output port Used for maintenance and adjustments.
4 Sample filter
A filter for the sample line.
Replace this filter about every 2 weeks. (See “7.3 Replacing the Filter
Element” (page 79). The actual replacement frequency depends on the
sample gas conditions.)
5 Power switch Used to turn ON/OFF the main power supply.
When the front panel door is open
5
Front panel door
2 3
1
4