Mackie CR1604 Owner's Manual download pdf (Page 16)

POWER SWITCH

If this one isn’t self-explanatory, we give up.

You can leave this switch on all the time; the

CR1604-VLZ is conservatively designed, so heat

buildup isn’t a problem even in 24-hour-a-day

operation. There’s nothing that will burn out or

get used up. You may notice that the CR1604-

VLZ’s “pod” feels quite warm (the pod is the

chassis that contains the jacks). This is per-

fectly normal.

POWER LED

You’ve probably already figured this out, but

if the

POWER

switch is on, this LED (light-

emitting diode), located in the output section,

will light. If the switch is off, well, you get the

idea. If the

POWER

switch is on and the LED

does not glow, one of three things has hap-

pened: Somebody tripped over the power cord

and yanked it from the outlet, your electricity

has been turned off due to nonpayment, or the

fuse has blown

PHANTOM SWITCH

The

PHANTOM

switch controls the phan-

tom power supply for condenser microphones as

discussed at the start of this section

. When

turned on (or off), the phantom power circuitry

takes a few moments for voltage to ramp up (or

down). This is also perfectly normal. For an

even closer look, refer to Appendix C.

PHANTOM LED

Located right next to the

POWER

LED in the

output section, this is just to let you know which

way you have the

PHANTOM

switch set. If your

dynamic mics work and your condensers don’t,

chances are this LED is off, so turn it on.

You’ll notice that when you turn the phan-

tom power off, the LED stays on for a while.

This is a natural phenomenon — the LED is

actually a yellow voltmeter telling you that the

phantom power takes time to ramp itself down

to zero volts. So, if you’ve turned phantom

power off to connect something to the mic in-

puts, wait until the yellow LED stops glowing

and then make your connections safely.

BNC LAMP SOCKET

Located in the top right corner of the out-

put section, this 12V socket will drive any

standard BNC-type lamp (a Littlite

#12G or

#12G-HI (high-intensity), for instance).

PATENT PENDING

4321

INSERT INSERT INSERT

LINE

INSERT

MIC 4 MIC 3 MIC 2

MIC 1

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

LINELINELINE

PHANTOM

POWER

120 VAC 50/60 Hz 20W

315mA/250V SLO-BLO

15 14 13 12 11 10 9 8 7 6 5

MIC 16

INSERT

INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT INSERT

MIC 15 MIC 14 MIC 13 MIC 12 MIC 11 MIC 10 MIC 9 MIC 8 MIC 7 MIC 6 MIC 5

SUB OUTSC-R OUTSMAIN INSERT

TAPE TAPE

MAIN OUT

AUX SEND

DIRECT OUT

AUX RETURN

MONO

LLL

1234

642

753

864

BAL/UNBAL

BAL/UNBAL BAL/UNBAL BAL/UNBAL BAL/UNBAL BAL/UNBAL

INPUT OUTPUT

(MONO)

(MONO)(MONO)(MONO)

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

UN-

BAL

LINELINELINELINELINELINE

TO REDUCE THE RISK OF

FIRE REPLACE WITH SAME

TYPE FUSE AND RATING

CAUTION:

AUX

SENDS

STEREO AUX RETURNS

EFFECTS TO

MONITORS

TO AUX

SEND 2

TO AUX

SEND 1

PWR

PHAN

SOLO

R / PHNS

ONLY

RETURNS

SOLO

MAIN MIX

TO SUBS

ASSIGN OPTIONS

–

+20

+15

+20

+10

LEFT RIGHT

LAMP

12 V

0.5A

CR1604

VLZ

CHANNEL MIC/LINE MIXER

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 50 51

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Mackie CR1604 Owner's Manual Page 16

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