Commtest Instruments vb Series Instrument Reference Manual page 16

Transfer data stored in the instrument to a PC before
reprogramming the instrument. PROFLASHING the
instrument instrument with new firmware may erase all
data stored in the instrument.
®
When using an ICP type accelerometer, ensure that
the drive current is turned on otherwise the
measurements will be incorrect.
Mount the sensor properly before taking measurements
or recordings. Otherwise, the data will be incorrect
and/or inconsistent.
To clean the instrument use a mild detergent diluted in
warm water. Do not use abrasive or polishing
substances, hydrocarbons, petrochemicals or solvents
as they degrade the plastic.
Do not place the vb instrument or the magnetic
mounting base in a hot place where the temperature
exceeds 140 °F (60 °C). Otherwise, the battery pack or
magnet will degrade.
Although the instrument has a rugged construction, do
not expose it to wet conditions or store it in a damp
place where the relative humidity exceeds 95%.
If the instrument malfunctions, return it to an authorized
dealer. Do not attempt to repair the instrument yourself,
as this will invalidate the warranty.
Use only an approved instrument power transformer
13.5 V ± 1.5 V DC, 1 A output, center positive) and
ensure its voltage and frequency rating matches that of
your mains AC power.
Section 1: Introduction 7
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com