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3.9 Pseudo N-Key Rollover Capability
‘N’ key roller is the numbers of keys that may be held depressed simultaneously
and have the keyboard generate the appropriate code for each pressed and
released key without keyboard interruption. The keyboard is capable of at least a
pseudo 6-key rollover. All combinations of Ctrl, Alt and Shift keys are not ghost
keys.
3.10 Free From Illegal Ghost key
Key matrix layout has been properly managed such that no ghost key occurs for
any 3-key combination. The ghost key is defined as 3-key combination where a
valid third key falls in the ‘#’ pattern in the key matrix, formed by the proceeding
valid 2-key combination. Normally in this case, the third key will be masked
without sending any code because the third key and fourth key in this ‘#’ pattern
are confusing the microprocessor of three keyboard.
3.11 Compatibility
Operation System: iOS 8
Bluetooth 3.0 LE specification compliant.
Bluetooth HID profile V 1.1 compliant
VID/PID in firmware is 0a5c/8502
3.12 Battery
Specification
3.14.1 Charging
Specification
Charging current: 180mA
3.14.2 Battery Capacity
A fully charged battery is discharged using an analyzer to get its capacity. The
charging and discharging is done 3 times. The average measured capacity
should be at least 80% of original capacity.
3.14.3 Short time charging of Battery
The 30 minutes short time charging using the USB connected to a standard 110V
outlet should provide a battery life of at least 20% of the rated capacity.
3.14.4 Charging Profile of Battery
The charging profile of the battery charged by a particular method using wired
charger/laptop/wireless charger should be good. It includes the time taken to fully
charge the battery, average charging rate, and the charge capacity after being
charged for 10 hours. The charged percentage of the measured cycled capacity
should be at least 80%.
3.14.5 Standby and Active time of Battery
Standby time should be a minimum of 1000 days. Active time should be a
minimum of 730 days, 1 hour per day average.
