The symbol comprises the following elements:

• Leading quiet zone (at least 1X wide, where "X" is the current X dimension)

• Finder pattern that consists of either five one-module bars and four intervening spaces or three bars and two spaces, located at the left side of the symbol

• Symbol character: Unlike other barcodes that are designed to encode numeric data, each digit in a Channel Code symbol does not have its own unique bar pattern. Instead, all the data input is encoded based on the selected channel. Each channel supports its own range of values, as described in the following table.

  Channel	Range
  3	0-26
  4	0-292
  5	0-3493
  6	0-44072
  7	0-576688
  8	0-7742862

• Trailing quiet zone (at least 2X wide)

This symbology supports all numeric digits (0-9).

Channel Code is self-correcting and requires no extra check character. An optional augmented symbol format can provide added security if needed.

The minimum bar height for Channel Code is 5.0 mm or 15 percent of the symbol length, whichever is greater.

Channel Code symbols can be stacked or concatenated to provide an expanded data range or enhanced security without compromising the small symbol format.