Joystick Operation
The VI422 joystick is located on the front panel, as shown in Figure 9 on page 23. This vector-solving joystick
controls pan and tilt speed proportionally to deflection, as shown in Figure
The maximum speed is
selectable, as discussed in
Speed Facto/:
Deflect the joystick in the desired direction in order to control the pan-and-tilt drive associated with the
currently-selected camera station. To increase the speed, deflect the joystick further in the desired direction.
Joystick Speed Factor
The
procedure
for keypads used
the
Surveyor
Dome or
Omniscan, Refer
NOVA V1422 CPU-Based Control and Switching System
Programming Manual
X834
of
speed discussed
and
fhe
medium,
If the V1422 is controlling a
Universal Omniscan or
Surveyor Mini Dome, the joystick
behavior can be modified while the keypad is in the RUN mode (not applicable for PGM mode). The maximum
pan and tilt speed (which occurs when the joystick is at full deflection) can be set to equal the maximum speed
or a percentage of the maximum speed. For example, if the maximum is
per second and the percentage
chosen during programming was
pressing the
key will toggle the maximum value to
per second
(50% of 90). By redefining the maximum to the lesser of the two values, a slow moving object may be more
easily tracked.
The
key is used to toggle the maximum speed between the maximum and a percentage of that value.
f u l l
speed
6 6 %
4 4 %
22%
0 %
0 %
2 2 %
4 4 %
6 6 %
88% 100%
center
f u l l
p o s i t i o n
d e f l e c t i o n
JOYSTICK DEFLECTION
Figure 10
Joystick Response Curves
F A S T
M E D I U M
SLOW
X826
Rev 798 NOVA
Operation
l
25