CAS HE-30B, Owner'S Manual

20

mAiNTENANCE

When carrying out usual maintenance, please ensure practice of the following Do’s and Don’ts:

• DO use a dry soft cloth to wipe the dust.
• DO use a wet soft cloth, dipped into water and wrung out, to wipe the dirt. Then use a dry soft cloth to 

  dry up the device.
• DON’T wash the device with water or immerse it in water.
• DON’T use propellant, abrasive or other chemicals to wipe the dirt in avoidance of discolor or 

  malfunction. 
• DON’T disassemble this device. If you have any problems, please contact CAS.

  (Please refer to 

Warranty

 for contact information)

WArrANTy

• CAS warrants its products free of defects in materials and workmanship in normal use for a period of 

  ONE years from the date of retail purchase.
• This warranty does NOT cover damages caused by misuse or abuse, including but not limited to:

  ⇒ 

Failure caused by unauthorized repairs or modifications;

  ⇒ 

Damage caused by shock or drop during transportation;

  ⇒ 

Failure caused by improper operation inconsistent with the instructions stated in this user manual;

  ⇒ 

Malfunction or damage from failure to provide the recommended maintenance;

  ⇒ 

Damage caused by improper use of power supply.

• Should this device require maintenance (or replacement at our option) under warranty, please deliver 

  the original package to GUANGDONG TRANSTEK MEDICAL ELECTRONICS CO., LTD prepaid. Please 

  return the store receipt (with the retail purchase date) and a note with reasons to return on it as well.