3–2 • User Controls
UDA-8705A User Manual (Iss. 02)
Card Overview
This section provides a general overview of the UDA-8705A components.
Figure 3.1
UDA-8705A — Components
1. Gain Adjustment (RV2)
Use
RV2
to adjust the Gain level of the UDA-8705A. This control provides a gain range of
+/- 3dB.
2. Bootload Button (SW1)
This button is used for factory service in the unlikely event of a complete card failure.
3. Local Termination (JP1)
Use
JP1
to configure an optional 75ohm termination on the input of the UDA-8705A as follows:
•
TERM
— Select this option to terminate the input signal on the card. This is the default.
•
LOOP
— Select this option to leave the input unterminated. For example, use this setting
if you wish to loop the signal to another device.
For More Information...
• on the LEDs available on the card-edge, refer to the section “
Control and Monitoring
Features
” on page 3-3.
• on the bootload process, refer to the section “
Bootload Button
” on page 6-2.
1) Gain Adjustment (
RV2
)
2) Bootload Button (
SW1
)
3) Local Termination (
JP1
)
1
2
3