Operation Manual

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SPECIFICATIONS

Model

CM4-LIVE

CM6-LIVE

CM8-LIVE

CM10-LIVE

CM4-STUDIO

CM8-STUDIO

(Stock Code)

(170.800)

(170.801)

(170.802)

(170.803)

(170.810)

(170.812)

Power Supply

12Vac 1000mA (included)

Phantom Power

Switchable +48V (XLR inputs)

Frequency Response

20Hz - 20kHz

Mic/Line inputs (bal/unbal)

2 x XLR/jack

4 x XLR/jack

6 x XLR/jack

8 x XLR/jack

2 x XLR/jack

6 x XLR/jack

Stereo Input (unbal)

6.3mm jack/RCA (-8 to +15dB / +13 to +60 parallel)

SNR: Mic Inputs

120dB E.I.N.

SNR: Line Inputs

95dB E.I.N.

SNR: Stereo Input

96dB E.I.N.

EQ: High

10kHz, ±15dB

EQ: Mid

700Hz, ±15dB

EQ: Low

50Hz, ±15dB

Outputs: Main (L + R)

6.3mm jack (+28dBu balanced / +22dBu unbalanced)

Aux, EFF, REC out

unbalanced 6.3mm jack (+22dBu)

Phones Output

+15dBu stereo 6.3mm jack

Dimensions (mm)

60 x 190 x 230

60 x 270 x 230

60 x 350 x 230

60 x 430 x 230

60 x 190 x 230

60 x 270 x 230

Weight

2.09kg

2.42kg

2.75kg

3.08kg

2.09kg

2.42kg

Troubleshooting

No power LED on control panel

Ensure power adapter is working and connected properly

Ensure mains outlet voltage is as stated on adapter

Power LED is on but no other LEDs and no output

Check input signals and condition of connection leads

Check jack is connected to input and not channel insert

Check GAIN is not too low on channel input

Check channel fader is not fully down

Check MAIN fader is not fully down

Disconnect channel insert (if used) and check for correct wiring

For condenser mics, turn down MAIN fader and check phantom is on

Power light and output LEDs lighting but no output

Check output connections to amplifier or recorder

Check amplifier or recorder levels are not turned fully down

USB/SD player will not play audio from media

(CM-LIVE models only)

Press PLAY on transport controls

Check memory device is connected properly (remove and re-insert)

Check file types – standard compressed digital audio files required

Check memory device works on a PC or Mac for standard playback

USB device not recognised by PC or Mac

(CM-STUDIO models only)

Check version and/or updates for operating system

Follow on-screen trouble-shooter or diagnostics in Windows or OS

Check USB connection (disconnect then reconnect USB lead)

Seek advice from your PC or Mac operating system provider

Output is very loud or distorted

Check level of input signal is not too high

Reduce channel GAIN and EQ settings

Reduce channel and MAIN faders levels

Ensure Hi-Z line level input(s) not connected via XLR

Check output levels of equipment connected via channel inserts

Check AUX and EFFECT level controls and reduce if necessary

Check for high gain recording of media files on USB/ SD (CM-LIVE)

Check input gain level on recorder or recording software

Output is working but at very low level

Check input audio source level is not too low

Ensure low impedance line or mic signal is not connected via jack

Increase channel GAIN control and EQ settings if turned down

Increase channel and MAIN faders levels

Check output levels of equipment connected via channel inserts

Check for quiet recording of media files on USB/ SD (CM-LIVE)

Check input gain level on recorder or recording software

Feedback (loud squealing or howling from mics)

Face microphone away from speakers and monitors

Reduce channel GAIN level and EQ level(s)

Reduce AUX and/or EFFECT levels

Reduce channel and/or MAIN fader levels

Note: for further troubleshooting, refer equipment to qualified service personnel for testing