Table of Contents
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Replacing NiCds, 47
Replacing rechargeable batteries, 48
Reset, 27
Reversed text, 32
Routine maintenance, 41
RS232, 119
RTC, 17
Screen, 28
Screen handler interrupt (10H), 181
draw ellipse/circle, 192
draw line/box, 193
get backlight state, 199
get backlight timeout, 191
get contrast state, 199
get cursor address, 184
get cursor position, 184
get cursor position (graphics), 191
get graphics font, 197
get video state, 188
looking keys, 197
move cursor, 184
move cursor (graphics), 190
read character and attributes, 186
read pixel, 188
reset screen parameters, 198
scroll down, 186
scroll up, 185
select text font, 195
set backlight timeout, 191
set bold attribute mask, 199
set contrast, 191
set cursor size, 183
set display page, 185
set graphics font, 189
set inverse video mechanism, 194
set LCD window position, 196
set screen mode, 183
split display, 192
turn backlight on/off, 198
write character, 187
write character and attributes, 186
write character as TTY, 188
write pixel, 187
write string, 189
Screen synchronisation, 249
Screen window, 29
automatic movement, 29
moving, 30
size, 28
splitting, 31
Sealing, 42
Serial number
reading, 239, 255
storing in RAM, 243
Serial port handler interrupt (14H),
217
check status, 221
control handshake line, 229
control RI power up, 230
extended control, 228
extended initialise port, 221
extended protocol menu, 231
extended status, 229
get extended protocol parameters,
231
get installed protocols count, 230
get protocol handle, 231
get protocol name, 230
initialise port, 219
input character, 221
NMI suspend, 232
read comms parameters, 222
select comms parameters, 225
send character, 220
Serial ports, 1
Setting the date, 71
Setting the time, 71
Shelf life, 58
Shell life, 322
Sockets, 339
Software upgrades, 162
Solving problems, 61
Sound output interrupt, 247
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Table of Contents
Troubleshooting
