User’s Manual (SKR-2006) Sejin Electron Inc.
FCC NOTICE THIS DEVICE COMPLIES WITH PART 15 OF THE FCC FULES. 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.
1.0 ELECTRRICAL 1.1 Power 1.1.1 5VDC± 10%, 40mA . 2.0 POWER ON ROUTINE 2.1 Power on Reset-POR2.2.1 The keyboard will perform a power on reset -POR- within a minimum of 150 ㎳ and a maximum of 2 ㎳. 2.2 Basic Assurance Test -BAT2.2.1 The keyboard will conduct a basic assurance test -BAT- of the processor. 2.2.2 Turn the LED's(if so equipped) on at the beginning of the test and off at the end of the test. 2.2.3 Transmit the completion code AAH if the test was successful. 2.2.
3.5.3 Keyboard monitors the clock line(10 ㎳ intervals)and detects the active level. 3.5.4 Keyboard detects -RTS-on the data line and clocks it in as the logic 0 start bit. then clocks 8 data bits and parity. 3.5.5 Keyboard looks for a logic 1 on the data line then forces it low clocks one more bit. This action signals the system that the keyboard has received the data. If the data line is not at logic level 0 following the 10th bit, the keyboard will continue to clock bits until the line becomes active.
Shield Shield Fram GND 6.2 Connector Schematics 1 3 4 5 6 5 2 4 3 1 5 PIN DIN 2 6 PIN 7.0 CHATTERING AND BOUNCE Operation force shall be applied according to the normal operating method at 5V DC, 5mA.There shall be no bounce and chattering within 10msec when it is measured using a specially prepared tester or a synchroscope. ※ Chattering and bounce are defined in the following diagram : 8.0 TEMPERATURE AND HUMIDITY 12.0.
acceptable. Packing Condition Drop surface Height Test Description Non-packing Hard wood Carpet 70Cm 70Cm Inner box Concrete 90Cm Out box Concrete 60Cm 2 drops for each corner 1drop for 6 surfaces 1drop for 6 surfaces and 4 corners. (Totally 10drop) 1drop for 6 surfaces and 4 corners. (Totally 10drop) 10.0 VIBRATION 10.1 Pack non operate 14.1.
12.0 ALTITUDE 16.1 Operating and Storage The keyboard shall withstand both an operating and storage altitude of sea level to 15,000 feet. 13.0 KEY LIFE TEST Standard: a. key-switch life: 10,000,000 cycles b. Test equipment : Plunger Type. Actuation speed : 4 times/sec Press pressure : 200± 50gf 14.0 AGENCY APPROVALS 18.0.1 SEJIN ELECTRON keyboards are UL recognized (UL file XXXXXXX) and CSA certified (CSA file #XXXXXXXX) components.
15.9 Keytop pulling strength The keytop pull out force shall be 0.5Kg or more at normal temperature during initial conditions. The keytop shall be not pulled out by an ordinary typing operations.
