Instruction manual

SERIAL INTERFACE
6-7
W [WRITE] writes Data to the Address location of the
microprocessor's internal RAM memory. This action causes the
361T to replace the contents of the microprocessor's RAM location,
designated by the (2 hexadecimal characters) Address portion of the
command string, with 8-bits of binary data, designed by the (2
hexadecimal characters) Data portion of the command string.
# #
# # W——Action Code
│ │
Data Address
X [TRANSMIT] sends the present contents of the 361T display (8
characters) plus a <CR> or <CR><LF> to the serial port.
Y [FUNCTION] is used to select the function of the 361T. The unit
must receive the following as the address and the action code
portion of the string command.
#
Y——— Action Code
———— 1 = DEN
2 = +DOT
3 = –DOT
4 = SEQUENCE
5 = X
6 = X
7 = X
8 = QCalTM
9 = Extended cal
A "U" command must also be received by the unit following a "Y"
command.