User's Guide

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 PREACUTION 7: The device does not have shelf life. Its expected use lifeis 10 years. After 10
years, though the device still works normally, it is recommended to have it checked by the
manufacturer.
 PRECAUTION 8: Useless components shall be disposed according to local regulations.
 PRECAUTION 9: Be careful when holding the device, for the device is handheld, it may fall.
 PRECAUTION 10: Pay attention: the words “Insufficient Storage Space” will appear on the
interface to remind the user to clean up space when storage space will be insufficient.
 WARNING 1: The device is not explosion-proof. Do not use it in inflammable and explosive
environment (such as in the presence of anesthetic gas, oxygen or hydrogen,etc.);
 WARNING 2: Instrument is not waterproof, do not spill water or other liquids on the
instrument.
 This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
 Changes or Modifications not expressly approved by the party responsible could void the user’
s authority to operate this device.
 This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation.
 If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-- Consult the dealer or an experienced radio/TV technician for help.
 The device has been evaluated to meet general RF exposure requirement