RTS SSA-424 ユーザーズマニュアル
SSA-424 U
SER
M
ANUAL
17
6 Set the 2W CHAN SEL switches to either OFF
position.
7 Input a 1kHz, -10dBu test signal at the 4-wire
audio input. Use either connector:
9-Pin Connector
Pin 7: Balanced Audio - input
Pin 8: Balanced Audio + input
Pin 7: Balanced Audio - input
Pin 8: Balanced Audio + input
RJ11 Connector
Pin 2: Balanced Audio + input
Pin 3: Balanced Audio - input
Pin 2: Balanced Audio + input
Pin 3: Balanced Audio - input
8 Adjust RV102 (System A) or RV202 (System B)
while watching the bottom display (TO2W). All of
the green displays should be lit and no amber
displays should be lit.
the green displays should be lit and no amber
displays should be lit.
9 Remove the test signal. This completes the
adjustment.
4.4
C
ALL
S
IGNAL
O
PTION
C
ARD
I
NSTALLATION
Use these instructions to install a Call Signal Option
Card in an SSA-424 that was originally ordered
without it.
Card in an SSA-424 that was originally ordered
without it.
1 Disassemble the SSA-424 as previously de-
scribed.
2 Assemble the standoffs to the circuit board using
the supplied screws and lockwashers.
3 Connect the supplied power cable from J8 on the
option card to J303 on the main board of the
SSA-424.
SSA-424.
4 Insert the connectors on the option card into the
connectors on the main board.
5 Use the remaining screws and lockwashers to
secure the standoffs to the main board.
6 Reassemble the SSA-424.
Figure 11. The Call Signal Option Card after installation in the
SSA-424.
SSA-424.