Alkaline “C” Batteries
A set of four fully charged, heavy duty alkaline “C” batteries provides
20-30hoursofoperationat.5LPM.Note: Rechargeable or light duty
batteries can be used, but they give signicantly less operating time.
Microprocessor-Based Circuitry
The Cal 2000 has microprocessor based circuitry that performs several
different operations and offers the user many different features. The
microprocessortrackscellandbattery usage,monitorsthe airowrate
andcontrolsthecellandpumptogivetheselectedppmandowrate.In
addition to English, every Cal 2000 is capable of providing menu displays in
French, German and Spanish. See section IV. Menu Options for instructions
on how to change the menu language.
Digital Display
The Cal 2000 has a liquid crystal display (LCD) located on the front of the
instrument. This display is protected by a thin, clear plastic cover that is part
of the front label and may be replaced if it becomes scratched or unclear.
POWER and SELECT
The POWER and SELECT switches are momentary push button type
switches activated through the front membrane panel. They are physical
switches mounted directly on the circuit board.
Nylon Carrying Case
The Cal 2000 comes with a convenient, durable, nylon carrying case. It
is adjustable to be worn as a hip pack, or the belt strap can be reattached
to be worn around the neck or over the shoulder. The top of the carrying
case is clear plastic, allowing the unit to be operated while within the case,
and there is a convenient front pocket for storage of additional cells or the
delivery hose.
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