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Panel Descriptions
1. CH 1 knob / CH 1 Input Jacks
In addition to a 1/4” phone jack, this channel is
equipped with a balanced XLR connector, useful
for connecting microphones.
This accepts input levels ranging from mic input
(-50 dBu) to line level from sound modules and
other equipment (-20 dBu).
* The pin assignment for the XLR type connectors is as
shown below. Before making any connections, make sure
that this pin assignment is compatible with that of all
your other devices.
fig.04
2. CH 2 and CH 3 knobs / CH 2 and CH
3 Input Jacks
Use these for connecting keyboards, sound
modules, and other devices.
You can make stereo connections to these inputs.
If you connect only the L jack, the input will be
mono.
If you’re using stereo connections, you can listen
in stereo through headphones or when using a
pair of stereo-linked CM-30 speakers.
They accept line level input (-20 dBu).
3. STEREO PHONES
The headphones allow you to listen in stereo.
LEVEL Knob
This knob adjusts the headphones volume.
PHONES Jack
This is for connecting headphones.
* Before plugging in or unplugging headphones, be sure to
place the LEVEL knob at 0.
4. EQUALIZER
LOW Knob
This adjusts the level of the bass range.
HIGH Knob
This adjusts the level of the treble range.
5. MASTER Knob
This adjusts the total volume level of the unit’s
internal speaker.
6. Power Indicator
This indicator illuminates when the power is on.
7. POWER Switch
This switches the power on and off.
* Always be sure to lower the MASTER knob on the CM-
30 to 0 whenever turning the power on or off.
* This unit is equipped with a protection circuit. A brief
interval (a few seconds) after power up is required before
the unit will operate normally.
Slight pop noise may come from the speakers when the
power is switched on, but this does not indicate a
problem.
* Refer to p. 9 for the order in which to turn the power to
connected devices on and off.
8. AUX IN 1, 2 Jacks
AUX IN 1 are RCA phono type input jacks. AUX
IN 2 is stereo miniature phone type input jack.
You use these to connect equipment such as CD
and MD players, and have them sound along
with the equipment connected to CH 1 through
CH 3.
Both AUX IN 1 and 2 accept level input of -10
dBu.
* To adjust the volume level of equipment connected to the
AUX IN jacks, use the controls on such equipment.
9. STEREO LINK
Stereo playback is enabled simply by connecting
two CM-30 units with a single or double audio
cables (phone type).
* For details on the Stereo Link function, refer to “Using
Two CM-30 Speakers for Stereo Playback (Stereo Link)”
(p. 10).
They provide -10 dBu line level output, and
accept level input of -10 dBu.
10. AC IN Jack
Connect the included power cord to this jack.
* Use only the power cord included with the CM-30.
CM-30_e.book 7 ページ 2004年7月28日 水曜日 午前9時32分
7


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