5
1
3
2
4
4. NOMENCLATURE AND FUNCTIONS
[Front]
1. Power switch
Press to turn ON the power.
Press again to turn the power OFF.
2. Power indicator
Lights green when the power is switched on.
3. Master volume control
Adjusts the output signal level.
4. LED level meter
Indicates an output level.
5. AC inlet
Connects to the supplied power cord.
6. Ground terminal
A functional ground terminal.
7. DC input terminals
Connect to a 24 V DC power supply.
8. Output terminals
Connect to speakers.
9. Remote control terminal block
Permits the unit's power to be remotely turned ON
or OFF by way of make contacts.
For details, refer to p. 6, Emergency Control
Connection and Remote Power ON/OFF Control
Connection.
10. Line output terminals [LINE OUT]
0 dB, 600
Ω
, unbalanced.
Connect to the line input of other equipment.
11. Line input terminals [LINE IN]
0dB or –10 dB, 10 k
Ω
, balanced.
Connect to the line output of other equipment.
12. Input level selector switch
Selects either –10 dB or 0 dB for the Line input
sensitivity level.
When using the unit in conjunction with the
optional A-1800 series PA Amplifier, select 0 dB
for easier adjustment of the sound volume.
5
6
7
8
10
11
9
12
[Rear]