User's Manual

when an impact of 10G has been applied to the package keyboard. The
testing method shall be in accordance with 213B of MIL-STD-202E
5.4 Vibration
The keyboard shall not be damaged electrically and mechanically when the
following vibration has been applied to the packaged keyboard. The testing
method shall be in accordance with 201A of MIL-STD-202E.
Frequency: 10~55Hz
Amplitude: 0.5mm
Direction of vibration: Direction X, Y and Z individually
Time of vibration: 2 hours
5.5 Drop Test (Non-Operating)
Purpose of test: To verify the keyboard’s ability to withstand being dropped
from lap and desk heights.
Test Parameters/Conditions: 25°C @ 50% R.H.
Standard: After test, If the keyboard is recoverable(able to be
re- assembled), it is acceptable.
Packing
Condition
Drop surface Height Test Description
Hard wood 70Cm 2 drops for each corner Non-
packing
Carpet 70Cm 1drop for 6 surfaces
Inner box Concrete 90Cm
1drop for 6 surfaces and 4
corners. (Totally 10drop)
Out box Concrete 60Cm
1drop for 6 surfaces and 4
corners. (Totally 10drop)
5.6 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
5.7 Low Temperature Test
Check Method: Leave for 96 hours under –25℃.
Standard: The keyboard operates normally after the test.
5.8 High Temperature Test
Check Method: Leave for 96hours under +65℃.
Standard: The keyboard operates normally after the test.
6. CONFIGURATION
The keyboard comprises the key switch section and signal processing circuit.