Precautions for operation
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The CAA-500 has its Impedance Bridge just inside the Output Connector. Never apply power from an
external transmitter to the CAA-500. Failure to follow this could cause damage to this product.
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The external DC supply voltage must be between 8 to 16 Volts, and the current supplied must be at
least 250mA. Never apply DC voltages greater than 16 Volts, nor AC voltage of any kind. Our warranty
does not cover damage caused by the use of an improper power source.
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When using AA batteries, the decimal point on the Frequency Counter will blink when the weak
batteries are weak. Change batteries as soon as it starts blinking, and change all batteries to improve
the battery shelf life.
Remove the batteries when not in use for extended periods of time
(*some rechargeable batteries, which have 1.2V rated voltage, are not appropriate for long-time continuous
operation).
Instruction Manual
Thank you for your purchasing our product. This product is made under the
most stringent quality controls. Should there be any breakage in transit,
please do not hesitate to contact the shop from which you purchased this
product for instructions on resolution of the problem.
For your safety, please read this manual carefully for instructions on proper
handling and operation before using.
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Features
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Built-in broadband high-stability transmitter for easy measurement of resonant frequency,
SWR, and impedance.
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Cross-needle meter display provides SWR and Impedance information simultaneously.
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12 hours of continuous use with AA alkaline batteries.
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Hand strap attachment for safety.
