Chelsea Technologies Group
tracka
User Guide HB179 Issue 7.0
charge connector. Do not try to seal the recess of the battery can charging plug to the battery
can (e.g. in order to protect it from salt spray). Ensure that while charging, that the charge plug
area is kept free from spray or wash.
Gently remove the stainless steel charge plug on the bottom of the battery can by hand, taking
care not to damage the o-ring or o-ring surfaces. Inside the 1-12 threaded hole may be seen the
internal charging receptacle. Correctly align and connect the polarised battery charging cable
from the Deck Unit, and secure the charging cable to something solid (e.g. with cable ties) to
prevent an accidental tug on the cable from damaging the internal componentry of the battery
can.
With the charging cable attached, supply power to the Deck Unit through the mains plug.
Charging will automatically occur at the maximum recommended rate until power is removed or
the battery charge connector is disconnected. The instrument is configured to automatically shut
down if the battery voltage falls below 13.5 volts.
Battery voltage (charge status) can be read from the software in the System Setup menu. To
accomplish this, have the battery pack connected to the instrument. Switch off the mains supply
at the Deck Unit so that the charging ceases and battery pack takes over powering the
instrument. After checking charge state in System Setup, the mains can be reconnected and
charging can continue. Typical times to charge a standard battery pack using the Deck Unit:
• from 10% to 80% in 5 hours;
• from 10% to 95% in 24 hours.
Proper charging procedure will ensure safe and efficient maintenance of the rechargeable
battery pack. The internal charging circuitry has over voltage and over current protection, but
every effort should be made to ensure that the recommended limits to charging are not
exceeded
3.12 OPTICAL REQUIREMENTS
3.12.1 Exterior Windows
The exterior optical windows are made of Acrylic, selected for its sheer strength and optical
transmission characteristics. The FAST
tracka
should not be supported by or on its optical
windows.
The windows may need to be cleaned from time to time. Use lint free tissue to remove most
material, then clean the windows with impregnated optical paper. DO NOT USE SOLVENTS on
the optical windows. The solvents will damage the windows & seep into the channels under the
window retainers and degrade the o-rings there, leading to premature failure. Be sure that all
fingerprints, oils, and other fluorescence sources are removed from the optical windows before
instrument operation. Otherwise these substances will be a source of signal contamination. For
that reason, soaps and detergents are not recommended for cleaning optical surfaces.
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