Section #4 - Maintenance
Page 31
Section #4 - Maintenance
Operating Temperature
The instrument is rated for a temperature range of -22° F to +140° F.
Do not operate the instrument in temperatures outside that range.
Moisture and Dust Protection
The TruSpeed is sealed to provide protection from normally encountered field
conditions. It is protected from dust and light moisture.
Shock Protection
The TruSpeed is a precision instrument and should be handled with care. It will
withstand a reasonable drop shock. If you drop the instrument, check the scope
alignment (page 25) before using the instrument for speed measurement.
Cleaning and Storage
Clean the instrument after each use. Check for the following:
•
Excess moisture.
Towel off excess moisture and air dry the instrument at
room temperature.
•
Exterior dirt.
Wipe exterior surfaces clean. Use isopropyl alcohol to
remove dirt and fingerprints from the scope exterior.
•
Dirty lenses.
Use a lens brush to remove surface dust and loose particles
from the front panel lenses. To clean a lens, moisten it with lens cleaning
solution and wipe it with a clean cloth or lens tissue.
•
Batteries.
If you won't be using the instrument again soon, remove the
batteries before storing it.
Caring for the Scope
Do not attempt to lubricate the scope. It is sealed from within using o-rings and
special compounds. All seals are permanent and require no maintenance.
Use a lens brush to remove surface dust and loose particles. To clean a lens,
moisten it with lens cleaning solution and wipe it with a clean cloth or lens tissue.
Checking the Screen Display
The instrument provides a method of verifying the display integrity. For more
information, see page 24.
Restoring Factory Default Settings
See page 13.
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