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4-5. ADA-61 Board (BKMA-513) Adjustment
4-5. ADA-61 Board (BKMA-513)
Adjustment
4-5-1. Audio Level Adjustment
n
Turn on the main power of the MAV-555A and measuring
equipment. Wait for at least 30 minutes before starting any
adjustments.
Preparation
1. Set the headroom level.
S301, S351, S401, S451, S600, S650, S700, S750,
S900, S950, S1000, and S1050/ADA-61 board →
20 dB
2. Set the output level.
S300, S350, S400, S450, S601, S651, S701, S751,
S901, S951, S1001, and S1051/ADA-61 board →
+4 dBm/terminated with 600 Z.
3. Extend the ADA-61 board using an extension board.
4. Make wiring as shown in the connection diagram in
accordance with the ports that require adjustment.
5. Turn on the main power.
6. Press the R1 button of the PORT SELECT block on
the meter panel.
7. Audio Input Select (CH-1 to CH-4)/meter panel →
AES/EBU.
8. AUDIO LEVEL CONTROL/meter panel → PRESET.
9. Press the P1, P2, or P3 button of the Port Select block
of the meter panel according to the port to be adjusted.
10. Audio Level Control/meter panel → PRESET.
Connection (Section 4-5-1 to Section 4-5-3)
AES/EBU Out
Analog audio
measuring equipment
Analog
Analog
Input
Output
4-8 (E)
TSG-422
Ref signal
Ref Input
MAV-555A
AUDIO IN (AES/EBU)
R1-CH1/2
AUDIO IN (AES/EBU)
R1-CH3/4
INPUT-1/-2
CH1/2/3/4
BKMA-570
OUTPUT-1/-2/-3
CH1/2/3/4
Adjustment Procedure
1. Digital Audio Signal Generator : Generate the sine
wave having amplitude from SYSTEM TWO : _20
dB FS at frequency : 1 kHz. (When emphasis has been
set, set Emphasis OFF.)
2. Press the R1 button of the PORT SELECT block on
the meter panel.
3. Set R1 port into record mode.
4. Select P1, P2, or P3 of the PORT SELECT block in
accordance with the port to be adjusted.
5. Playback the material that is recorded by step 3.
A
B
1
RV700
RV600
RV900
S600 S650
S700 S750 S900
S950
1
1
1
1
1
1
RV650
RV750
RV950
2
S601
S701
S901
S651
S751
S951
3
S451
S450
S401
4
S400
S351
S350
5
S301
S300
C
D
E
RV1000
S1000 S1050
1
1
RV1050
S1001
S1051
ADA-61 board (A side)
MAV-555A
F
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