Roland ac-90 业主指南
12
Names of Things and What They Do
Rear Panel
fig.040
1. LINE OUT Jacks
You can connect a mixer, recording device, or other device
here. The output level is +4 dBu.
here. The output level is +4 dBu.
Included here are XLR connectors (L/R: stereo output) and a
1/4” phone jack (mono output).
1/4” phone jack (mono output).
fig.090
* You cannot adjust the volume for LINE OUT with the
MASTER knob.
* The chorus effects are designed so they exhibit the greatest
effectiveness when you use the unit’s built-in speakers.
Effectiveness may differ when LINE OUT is used instead of
the built-in speakers.
Effectiveness may differ when LINE OUT is used instead of
the built-in speakers.
2. SUB WOOFER OUT Jack
You can connect a powered subwoofer to play back sounds
with an even punchier, more powerful low end.
with an even punchier, more powerful low end.
The volume is adjusted with the MASTER knob.
3. AUX IN Jacks
You can connect a CD player, drum machine, or other device
and play back sounds in stereo. Both RCA phono jacks and
1/4” phone jacks are provided. When connected to only the
left 1/4” phone jack, playback is in mono.
and play back sounds in stereo. Both RCA phono jacks and
1/4” phone jacks are provided. When connected to only the
left 1/4” phone jack, playback is in mono.
Although the input from AUX IN is output from the
speakers, PHONES, and SUB WOOFER OUT, it is not output
from LINE OUT. The volume is adjusted with the MASTER
speakers, PHONES, and SUB WOOFER OUT, it is not output
from LINE OUT. The volume is adjusted with the MASTER
knob, and muting on/off for these sounds is controlled with
5
4
3
1
2
White
Red
PCS-31
Anti-Feedback
Mute On/Off
White
Red
PCS-31
Reverb/Delay
On/Off
Chorus
On/Off
Tuner
Mixer
CD Player
Drum Machine
Powered
Sub Woofer
Mixer
Recorder
When connection cables with resistors are used, the volume level of equipment connected to the inputs may be low.
If this happens, use connection cables that do not contain resistors.
If this happens, use connection cables that do not contain resistors.
*
926a
*
AC-90_egfispd.book Page 12 Tuesday, August 14, 2007 10:09 AM