AVT MAGIC TH2, Hardware Manual

Page: 53 / 130

PAGE 53
W i n d o w s P C S o f t w a r e
Display
• The
Display
has a backlight. Under the setting
Backlight
you can switch
it
ON
permanently. If you select the option
Auto
the backlight is turned off
automatically 60 seconds after the last keystroke. The backlight is acti-
vated again by pressing any key (e.g.
Ok
).
• Via the slide control
Contrast
you can adjust the contrast in the range
0 ...
15
for the display. The default setting is
0
.
RS232 Interface
• If you want to operate the system with the PC or the MAGIC TH2 Keypad,
you must set the data rate in accordance with the interface. There are three
baud rates available:
Keypad (9600 Baud)
,
PC (19200 Baud)
and
PC
(38400 Baud)
.
NOTICE
Please notice that if the keypad lock is activated, the backlight is only
switched on again by pressing the key sequence
Menu *
.
NOTICE
The MAGIC TH2 Keypad supports only the baud rate 9600 Baud. Therefore,
please select the option
Keypad (9600 Baud)
if you use a keypad. Of course,
you can also select this baud rate if a PC is used.
If you connect a PC via the RS232 interface, the selected baud rate must cor-
respond with the baud rate of the COM interface ((see CHAPTER 5.6.3).