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 FCC NOTICE 

 

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. 
OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITION: 
(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND 
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED,   

INCLUDING INTERFERENCE THAT MAY CAUSE UNDERSIRED   

OPERATION.  

 
 
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 
communication. 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 difference from that to which   
    the receiver is connected.   
 
- Consult the dealer of an experienced radio/TV technician for help.   
 
 
NOTE : The manufacturer is not responsible for any radio or TV interference caused by   
unauthorized modifications to this equipment. Such modifications could void the user’s   
authority to operate the equipment.   

 

 

 

 

 

Summary of Contents for SKM-2040

Page 1: ...1 User s Manual M N SKM 2040 Sejin Electron Inc ...

Page 2: ... may cause harmful interference to radio communication 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...

Page 3: ...ed OPERATING FORCE 60 25gf LIFE exceed 10 million operations 2 2 KEY TOP The keytop pull out force shall be 0 5kg or more at normal temperature during initial state The keytop shall be not pulled out by an ordinary typing operation 2 3 KEYTOP DEFLECTION Keytop deflection to on side shall be 0 8mm or less 2 4 VARIATIONS IN KEYTOPS 2 5 KEYTOP AND KEY ARRANGEMENT according to the attached drawing 2 6...

Page 4: ...applied at the rate of 3 to 6 times a second from any point within the region 45 conical to the vertical axis of key stem SLOW OPERATION The operating 1kg shall be applied at the rate of once a second from any point within the region 45 conical to the vertical axis of the key stem CHATTERING AND BOUNCE Operating force shall be applied according to Item OPERATING METHOD at 12V DC 0 2mA There shall ...

Page 5: ...comprises the key swith section and signal processing circuit The keyboard cable connects to the system with a 6 pin MINI DIN connector The following table shows the pin configuration and signal assignments Frame GND Shield 6 Pin Keyboard Data Keyboard Clock Vcc Ground Reserved Description 5 4 3 1 2 1 2 3 5 4 6 6 Pin ...

Page 6: ... The testing method shall be in accordance with 201A of MIL STD 202E No of vibration 10 55Hz to be logarithmically receiprocated for one minute Amplitude 0 5mm 0 02in Direction of vibration direction of X Y Z Time of vibration 2 hours IMPACT There shall be no abnormally in operation and appearance of the keyboard when an impact of 10G has been applied to package keyboard The testing method shall b...

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