Specifications

CHAPTER 4
OPERATION
4-9
DT-203X, DT-105X and DT-110X display series
4.4.1.8.3. Updating Date and Hour of Clock Calendar.
The Clock Calendar can be updated by external push buttons or via software. To modify
the date and time it is necessary to send the data, in ASCII, except for the control byte , with the
following structure.
Set time and date
Day
Month
Year
Blank space
Hour
Minutes
00h 1Ch
DD
MM
AA
HH
MM
The seconds are reset when the time is updated.
Example:
DISPLAY Num. = 0
Day 07/11/01
Hour 16:08
Transmission block:
00h 02h 00h 13h 00h 1Ch 30h 37h 31h 31h 30h 31h 20h 31h 36h 30h 38h 00h 0Dh 12h 39h
00h 03h
00h 02h Start.
00h Display num. 0
13h Num. of bytes in hexadecimal. (19 decimal)
00h 1Ch Updating date and time.
30h 37h Day 07 in ASCII characters.
31h 31h Month 11 in ASCII characters.
30h 31h Year 2001 in ASCII characters.
20h Space in characters ASCII.
31h 36h Hour 16 in ASCII characters.
30h 38h Minutes 08 ASCII in characters.
00h 0Dh End of data.
12h 39h CRC
00h 03h End of block.
4.4.1.8.4. Set CONTINUOUS mode
In CONTINUOUS mode, the displays shows sequentially all the messages stored in
EEPROM. CONTINUOUS mode is set automatically on the display, after reset, unless the
address of the display is 0. When a single message is sent via serial line, the CONTINUOUS
mode is reset and the message received will be displayed. To set the display to CONTINUOUS
mode from serial line a single control code must be sent (00h 1Dh), in the data area into the
transmission block.
2 bytes.
It must always be “00h 1Dh”.