Thermo Scientific TruDefender FT, User Manual

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6
TruDefender FT and TruDefender FTi User Guide Thermo Scientific
1 Getting Started
Powering the Instrument
The TruDefender FT instrument can be powered by:
• A rechargeable battery (provides about 4 hours in
normal use)
• Connection to an electrical outlet (plug the AC
power cable into the power cable connector,
which is behind the access door)
• Three disposable SureFire
®
batteries (provide
about 5 hours in normal use)
When the display illuminates, the instrument is fully
powered and ready for operation.
The instrument has three power states: On, off, and a
power-saving mode (“sleep mode”).
NOTE
The instrument enters sleep mode if it remains
idle for several minutes while on battery power.
NOTE
Use the SureFire disposable batteries when
operating below 32
°
F (0
°
C).
 To turn on the instrument
Press and hold the Wake/Sleep key until the display
backlight turns on, then release the key.
 To put the instrument into sleep mode
Briefly press the Wake/Sleep key.
 To turn off the instrument
Press the Wake/Sleep key for several seconds.
Opening and Closing the Access Door
The access door is designed to securely seal the battery
compartment, to protect it from contaminants.
CAUTION
When the access door on the bottom of the
instrument is open, the environmental seal is
broken, and the system is no longer water-
and dust-resistant.
 To open the access door
Place your thumbs on each side of the door bar and
push in the direction of the arrows on the bar. The tabs
on both ends of the bar will disengage from the slots on
either side of the door.
 To close the access door
Press the door into the opening to completely seat the
door gasket into the bottom of the instrument. Push
the door bar into the horizontal position. Make sure
that both of the bar tabs are seated in their slots.