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inside circuitry.
2. Don’t use & store the unit in dusty places.
3. Don’t put the unit in overheated or overcooled places.
4. Handle carefully. Don’t vibrate or shake it violently.
5. Clear the unit with a piece of dry cloth. Don’t clean in chemicals, detergent.
6. Don’t paint the unit, this may cause some foreign materials left in between the
parts.
7. Don’t disassemble or refit the unit.
8. Please read the user manual carefully before installation and operation, learn
something more about the voltage range. Otherwise, it won’t work properly
or destroy the product.
8．
．．
． Faults & the Solutions
Faults Solution
Startup Fail
Please check out the power wiring in correct place.
Call Fail Check the GSM antenna connected. Check whether
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