Metek 920, Operator'S Manual With Essential Health And Safety Requirements

Page: 117 / 278

Controller / User Interface | 4-9
• Navigating in CAL mode (example):
To manually change the analyzer’s Flow Control mode to Continuous
Backpurge Flow :
1. From RUN mode, press F6 • . The message “ PSWD0 ” appears.
2. Press • • (factory default password) or enter the new password, if
changed. An “ * ” is displayed for each character entered.
3. Press Ent to view the CAL mode screen. “ CAL ” will be displayed on
the top line, while the output results from RUN mode will continue
to be displayed on the bottom line.
This is the CAL mode normal
display.
4. Press F5 2 to display the FlowCtrl (Flow Control mode) screen.
When you enter this screen, the current setting is displayed (e.g.,
‘
0 ’ – Analyzer Control mode).
5. Press Del to delete the current setting.
6. Press ‘ 1 ’ to change the setting to Continuous Backpurge Flow
mode.
7. Press Ent to save the setting.
8. Press Esc to return to RUN mode. The screen will display “ B ” on
the top-left line to indicate that the analyzer has been manually
forced to Continuous Backpurge/Zero Flow mode.