1.3.2 About Signals
When it is first used or used after long idling, it might take 1-2 minutes to electrify the
GPS antenna and check the system. At the same time, try your best to keep the screen at a
right angle with the sky. Under some special circumstances (tunnels, viaducts, underpasses,
metro or building complex), it might be hard for the device to work well on positioning.
1.3.3 About the Search System
If the system is restarted when the locator is moving fast, the search positioning will be
difficult. So it is more advisable to stop it for a period of time.
1.4 Maintenance and Repair
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Don’t dismantle any part of the system for fear of malfunction. If there is any problem, please
turn to the local agent or after service center.
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Don’t put the mainframe directly in the sun, dampness, dust or heat. When it is used at the
edge of normal temperature, its normal operation will be affected, but that does not mean any
failure or error. Just take it easy.
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Avoid abnormal violent vibration or impact.
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Don’t pull out the SIM card randomly. After inserting the SIM card when the system is
turned on, one must restart the system, or the device cannot work well.
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Any dirt in the socket will lead to bad contacts and power failure, thus disabling further
charging. So please clean the socket regularly.
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Often clean the terminal or the charger with a clean dry rag.
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