Toa DA-250FH CU User Manual

Page 12

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12

[Rear]

6

7

8

DA-250F

9

9

10

11

6

7

8

DA-250FH

9

9

10

11

6. AC inlet

Connect the supplied power cord to this inlet.
The socket-outlet shall be installed near the
equipment and the plug (disconnecting device)
shall be easily accessible.

7. Functional ground terminal [SIGNAL GND]

Hum noise may be generated when external
equipment is connected to the unit. Connecting
this terminal to the functional ground terminal of
the external equipment may reduce the hum
noise.

Note
This terminal is not for protective ground.

8. Speaker output terminals (with a terminal cover)

Connect speaker cables to these terminals.

9. BRIDGE ON/OFF switches

[BRIDGE 1, BRIDGE 2,

ON /

OFF]

Used when bridge-connecting the unit's Channels
1 and 2, and Channels 3 and 4.
(See p. 13; Settings and Connections.)

• 4-channel output mode

Set both BRIDGE 1 and 2 switches to OFF.
(factory-preset)

• 3-channel output mode

Set either BRIDGE 1 or 2 switches to ON.
When bridge-connecting Channels 1 and 2, set
BRIDGE 1 switches to ON, and BRIDGE 2
switches to ON when bridge-connecting
Channels 3 and 4.

• 2-channel output mode

Set both BRIDGE 1 and 2 switches to ON.

Note
Be sure to first turn off the Power switch (1) when
changing these switch settings.

10. CH1 mode ON/OFF switch

[CH 1 TO ALL,

ON /

OFF]

Setting this switch to ON transmits the Channel 1
input signal to all channels. (CH1 to All ch mode)
Note that output signal levels can be individually
adjusted with each channel's Input level control
(3).
Setting this switch to OFF (factory-preset)
transmits each channel's input signal to each
corresponding channel. (Each ch mode)

Note
Be sure to first turn off the Power switch (1) when
changing this switch setting.

11. Input terminals [INPUTS]

Electronically-balanced inputs of 3-pin removable
terminal block type.
(H: Hot, C: Cold, E: Earth)

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