Okayo GPA-680, User Manual

Maintenance 

Specifications

Remove battery from 

 when you won't 

use it for a long while.

handheld microphone

Charging contacts

Clean charging contacts regularly to ensure good connection with charger. 
When  any  corrosion  occurs,  contact  your  dealer  to  change  it  if  you  can't 
repair it.  

Notice: The changes or modifications not expressly approved by the party responsible for compliance could void the 
user's authority to operate the equipment.

FCC INFORMATION
The Federal Communication Commission Radio Frequency Interference Statement includes the following paragraph:

-- 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 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 instruction, may cause harmful interference to radio communication.
However, there is no grantee that interference will not occur in a particular installation. If this equipment dose 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:

IMPORTANT NOTE: To comply with the FCC RF exposure compliance requirements, no change to the antenna 
or the device is permitted. Any change to the antenna or the device could result in the device exceeding the 
RF exposure requirements and void user's authority to operate the device.

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.