Startup And Self-Test; Sleep Mode - Hach FH950 User Manual

Option Description
Station entry
• Fixed—The operator puts in the width of the stream and the number of stations for
• Non-fixed (default)—The operator selects the spacing between station verticals. This is
Restore Sets all meter options to the factory default values.
defaults
4. Diagnostics— Select this option to troubleshoot problems with the meter or an attached sensor.
For more information about the Diagnostics options, refer to

Startup and self-test

Chemical or biological hazards. If this instrument is used to monitor a treatment process and/or
chemical feed system for which there are regulatory limits and monitoring requirements related to
public health, public safety, food or beverage manufacture or processing, it is the responsibility of the
user of this instrument to know and abide by any applicable regulation and to have sufficient and
appropriate mechanisms in place for compliance with applicable regulations in the event of malfunction
of the instrument.
Fire and explosion hazards. Do not use or store the instrument in direct sunlight, near a heat source or
in high temperature environments such as a closed vehicle in direct sunlight. Failure to take this
precaution can make the battery overheat and cause a fire or explosion.
The battery must be installed in the meter and charged before use. For more information about
battery installation and replacement, refer to
charge the battery, refer to
Note: The meter is not operational while the battery charges.
1. Push the meter power button until an audible beep is heard.
The meter does a self test and the display shows the results. If the meter fails the self-test, the
display shows FAIL next to the failed parameter. If the sensor fails, attach a different sensor if
available.
2. When the self test is complete, push OK to go to the Main Menu.
3. To de-energize the meter, push the power button again. In the Confirmation screen, select Yes
and push OK.
If the portable meter becomes unresponsive, push and hold the power button for more than
3 seconds to force the power off. Do not force off the power in normal operation or when the file
access icon is visible.

Sleep mode

The meter backlight goes dim after 30 seconds of no activity and goes into sleep mode after
60 seconds of no activity. These actions do not occur if the meter is in real-time mode or while the
meter is measuring. After 30 minutes in sleep mode, the meter power goes off.
To cancel the sleep mode, push any key. The display brightness goes back to the normal level and
all keys go back to their normal functions.
measurements. The meter divides the cross-section into evenly spaced distances
between the station verticals.
the more commonly used option as it lets the operator include obstructions and other
restrictions in the cross section.
W A R N I N G
Charge the battery
Diagnostics
D A N G E R
Install the battery on page 10. For information on how to
on page 11.
on page 29.
English 19