15
2-3-2 Hamming Code
It is shown as below, the Code Word length is equal to 8, the Data Bit is equal to 4,
the Hamming Distance is equal to 4, it means that HAMMING CODE (8,4,4) can
correct single-bit errors and also detect double-bit errors.
A 8
Chapter 3. Installation
3–1 Precautions during installation
1.
Observe all safety precautions when climbing the crane.
2.
Turn off the main power source of cranes before installation to avoid electric
shock.
3.
Receiver must be installed in the way that it will not touch any part of the
building during the operation.
4.
Receiver must be fastened safely.
5.
Before installation, inspect the crane’s safety devices, and make sure
everything is in proper working condition.
6.
Make sure you understand the crane circuits and power distribution as well as
the function setting of remote controller, to avoid incorrect wiring.
3–2 Transmitter Installation Instructions
Installation of batteries in the transmitter:
Insert batteries in proper direction into battery compartment. Attach and screw the
battery cap on the bottom of the transmitter.
3–3 Receiver Installation Instructions
3-3-1 Preparation for Installation
1. Provide all necessary tools.
2. Select a proper location.
a. Select a stable place.
b. Select a place where you can see the Receiver or Antenna.
1 0 1 0
1 0 0 0
BINARY
HAMMING CODE (8,4,4)
1 0 1 0 0 1 0 1
1 0 0 1 0 1 1 0
