User Controls
The following are general descriptions of the user controls identified in the figure below,
presented in normal operating sequence.
Error LED
SW1 Function Select Switch
6
SW2 Mode Select Switch
Bank A LED
ID Select Switch
Fine Phase Adjust Pot
Bank B LED
Bank C LED
In 525 LED
In 625 LED
Ref OK LED
Freeze LED
Access LED
Input OK LED
Figure 4. ADC-8032A Card-edge User Controls
SW1 – Function Select Switch
The
SW1
Function Select
switch is a 16-position rotary switch used to select functions such as
decoder channel, video standard, and video setup menu items. The SW1 switch works in
conjunction with the SW2 toggle switch; first, the function category is selected with SW1, and
then the SW2 toggle switch is used to select modes or configuration settings within that function
selection. See Chapter 4, “
Using Banks
” for complete details.
SW2 – Mode Select Switch
The
SW2 Mode Select
switch is used to enable, disable, and select specific ADC-8032A
functional modes
, or
configurations
, within the operational function menu (selected first with the
SW1 Function Select switch). The
Mode Select
switch is a 3-position momentary toggle switch
with an automatic spring-return to the center (null or unity) position.
Two methods of toggling SW2 are used to select basic and advanced level menu items.
•
Single toggle to select single options
•
Hold toggle to scroll through multiple values or options
Toggling the switch for menu selection is made according to two basic menu design categories:
•
menu selections utilizing a scrolling
wrap-around
style of selection (from last
menu item directly back to first menu item)
•
menu selections utilizing a
bi-directional
upper and lower range limit
ID Select Switch
No user adjustment required.
3-2
•
User Controls
ADC-8032A User Manual (Iss. 04)