www.joinwit.com
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and to avoid measurement deviation due to the long exposure to the air.
4.
Carefully insert or remove the optical adapter connector to avoid port
scratches.
5.
Clean the optical adapter connector regularly and use the special cleaning
swab to wipe around it gently.
viii
、
Quality Assurance
To repair JW3209 by yourself is not advised
.
1.
Instrument warranty is within 18 months against shipment.
Joinwit Company promises 18 months product warranty against shipment. If the
product has quality problem within warranty time, it will be properly repaired or changed.
But in any case, the company responsibility is within the product purchase price.
2.
If the instrument has problems in the use, please see the solutions in the
troubleshooting. Then again the problem remains, please contact the company marketing
department and the agents around instead of opening the instrument by yourself.
3.
If the quality failure appears, the instrument will be repaired or replaced for
free. This promise is only valid in the condition that the instrument is properly used
and has no damage.
JW3209 warranty does not cover the problem or failure caused by the following reasons
：
(1)To make unauthorized repair or modification to the instrument
(2)The instrument is improperly or negligently used or due to the accident, etc.
Warranty Registration Card
For every Joinwit product, it has a warranty registration card. Please send it to the
company together with the purchase invoice copy after filling in so that we can have
a root record of your instrument after the future maintenance, technological innovation,
calibration and so on.
