Wakeup Nulls - KoamTac KDC20 User Manual

4.1.12 Wakeup Nulls

The KDC sends three leading Null bytes to wake up
feature can be disabled if
to wake up.
4.1.13 Autolock Time
iPhone/iPad/iPod touch loses incoming Bluetooth data in sleep mode. Users can set KDC
Autolock time to the same Autolock time of your iPhone/iPad/iPod touch to use automatic
wakeup feature in HID mode to prevent data loss. There would be a one second delay of
barcode transmission if Autolock time is set to more than one minute and the barcode scan
interval is larger than the auto-lock time. The auto-lock time would be set as 0, 1, 2, 3, 4, 5,
10, 15 minutes. 0 means iPhone/iPad/iPod touch never enters sleep mode.
4.1.14 HID Keyboard
User can select international keyboard – English, German, French, Spanish and Italian.
4.1.15 HID Initial and Inter-Character Delay
Certain applications can't process HID input fast enough and lose some characters during
transmission. Users would increase initial and inter-character delay to prevent data loss
during HID transmission
HID Initial Delay: Define the initial delay between 1sec to 10sec before data

transmission in HID mode
HID Inter-character Delay: Define the inter-character delay between 10msec

to 100msec in HID mode
4.1.16 Control character transmission in HID mode
Control characters between ASCII value 0x00 and 0x1F can be replaced by ALT+Numpad
or ^+Character.
 Disabled  Transmit the original control character
 Alt+Numpad  Transmit Alt+ ASCII value from Numpad.
 ^+Character  Control characters would be substituted as following table.
 Replacement to |  Control characters would be substituted as "|".
connected device doesn't require additional bytes
Bluetooth
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KDC User Manual
Bluetooth
connected device. This
Revision 3.05.R6
Copyright ® 2014, KoamTac, Inc.