Dongguan Siliten Electronics DK 9021BI User Manual

USER MANUAL

Model Name : Bluetooth Keyboard

DK-9201BI User Manual

VER: 0.1

MODEL NO. : DK-9201BI

VERSION : 0.1

DATE : 2012-3-14

Page 1 of 10

Version. # Revised Date PIC Remark

0.1 3/14/2012 Natural Preliminary

DK-9201BI User Manual

VER: 0.1

Page 2 of 10

Electrical Specification

1. Operating Voltage

Keyboard supply voltage: 1.8V-3.3V (2xAAA Batteries)

2. Current Consumption
Connecting Current: About 20mA

Usual use Current: < 5mA

DK-9201BI User Manual

VER: 0.1

3. Sleeping Mode

3.1 Timing to standby mode: 5S (The time from all keys are free to the keyboard turn to

sleeping mode)

3.2 Current during the sleeping mode :< 0.05mA (finally stable the current)

3.3 Wake up: press any key of the keyboard

4. Low-voltage indicate

When the voltage below 2.2V, the LED light was flashing 1Hz, which means the power is

low. (No action during sleeping model)

Wireless specifications

5

2.402-2.480GHz frequency coverage.

GFSK RF transceiver

High Speed RF link data rate Max. 1M bit/s

Page 3 of 10