UTC RETAIL 3170 Series Podręcznik Użytkownika Pobierz pdf (Strona 11)

Dimming Feature

<EOT>x 04 DEC 04 HEX

Brightness can be controlled to four levels by using this function. After writing 04h to the display, the next byte sent

will set the brightness. The table below lists the display dimming commands in ASCII, DEC and HEX expression.

Dimming Level ASCII DEC HEX

100 % - 255 FF

60 % ‘ 96 60

40 % @ 64 40

20 % Space 32 20

Back Spacing Feature

<BS> 08 DEC 08 HEX

When the backspace command is executed, the write-in position is shifted to the left one position, erasing the

character, if any, in that position. When the write-in position is in the first (read from left to right) position of the

first row, the write-in moves to the last position of the second row. When the write-in is in the first position of the

second row, the write-in moves to the last position of the first row.

Horizontal Tab Feature

<HT> 09 DEC 09 HEX

DC1 Mode (Normal Display Mode)

The write-in position is shifted to the right one position. When the write-in is in the last position of the first row, the

write-in moves to the first position of the second row. When the write-in is in the last position of the second row, the

write-in moves to the first position of the first row.

DC2 Mode (Vertical Scroll Mode)

When the write-in is in the last position of the second row, the characters displayed in the second row are shifted up

to the first row and the write-in moves to the first position of the second row. This action clears the second row.

Line Feeding Feature

<LF> 10 DEC 0A HEX

DC1 Mode (Normal Display Mode)

The write-in moves up or down to another row, staying in the same horizontal position.

DC2 Mode (Vertical Scroll Mode)

When the write-in is in the second row, the characters displayed there are shifted up to the first row, leaving the

write-in at its present position. This action clears the second row. When the write-in is in the first row, the write-in

moves down to the second row.

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UTC RETAIL 3170 Series Podręcznik Użytkownika Strona 11