Ross AMA-8511, Руководство пользователя

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2-2
•
Installation and Setup AMA-8511 User Manual (Iss. 03)
Figure 2. User Control Locations
De-Emphasis Jumper Setup
Jumper JP2 allows the AMA-8511 to force De-Emphasis according to the current sampling rate.
Select one of the following options for JP2 :
•
On — AMA-8511 forces de-emphasis (50/15us) according to the current
sampling rate.
•
Off — No de-emphasis filtering (default setting).
Coarse Level Jumper Setup
The following table explains how to make the coarse-level selections that determine the desired analog
output signal using the headroom jumpers
JP1
and
JP3
.
Table 1. AMA-8511 Coarse Level Jumper Settings
Jumper Designation Mode Description / Function
+24
Sets coarse Headroom level for A channel to +24dBu
(default setting)
JP1 A Level
+18 Sets coarse Headroom level for A channel to +18dBu
+24
Sets coarse Headroom level for B channel to +24dBu
(default setting)
JP3
B Level
+18 Sets coarse Headroom level for B channel to +18dBu
JP4 Fault Report
JP3
A Level
JP1
B Level
JP2
De-Emphasis
RV1
A Gain
RV2
B Gain