Board Installation
Use the following steps to install the ADA-7802 cards in a RossGear audio or audio/visual distribution
frame:
Caution
The
ADA-7802
and
ADA-7802-600
cards can only operate in
RossGear
AFR-7812C
,
AFR-7814C
, or Leitch 880 Series
frames. Verify correct card and frame installation.
The
ADA-7802V
card can only operate in RossGear
AVFR-
7854C
and
AVFR-7855C
frames. Verify correct card and
frame installation.
1. Refer to the User Manual of the RossGear frame, to ensure that the frame is properly
installed according to instructions. If this module is to be installed in any compatible
frame other than a Ross Video product, refer to the frame manufacturer’s manual for
specific instructions.
2. Please note that heat and power distribution requirements within a frame may dictate
specific slot placement of cards. Cards with many heat-producing components
should be arranged to avoid areas of excess heat build-up, particularly in frames
using convectional cooling.
3. After selecting the desired frame installation slot, hold the ADA-7802 card by the
edges and carefully align the card edges with the slots in the frame. Then fully insert
the card into the frame until the rear connection plug is properly seated.
Potentiometer Setup
Use Figure 2 and the following steps to set up the ADA-7802 potentiometers.
1. Set the A Gain potentiometer to the desired gain range. The potentiometer provides a
fine control of the gain and has a range of +/- 6dB.
2. Set the B Gain potentiometer to the desired gain range. The potentiometer provides a
fine control of the gain and has a range of +/- 6dB.
Cable Connections
This section provides instructions for connecting cables to the ADA-7802 when mounted in RossGear
frames. See the following frame rear panel diagram for cable input and output designations.
On the rear of the Ross frame there are removable connectors for the A and B channel inputs and
outputs. Each channel has 1 input and 4 outputs. Unused outputs do not need to be terminated.
Each connector has sockets for the positive, negative, and ground wires of a balanced analog audio
cable. Wire the cables to the removable terminal block connectors as outlined in the following figures
and procedure.
ADA-7802 User Manual (Iss. 09A)
Installation and Setup
•
2-3
