Shure SCM800E manual System Setup, Rack Mounting the SCM800/E, SCM800/E Connections

SYSTEM SETUP

RACK MOUNTING THE SCM800/E

To mount an SCM800 or SCM800E in a standard 483 mm (19-inch) audio equipment rack so that the front panel faces out, as shown in Figure 4. Then secure secure the mixer to the rack with the four supplied Phillips head screws.

RACK MOUNTING THE SCM800/E

FIGURE 4

SCM800/E CONNECTIONS

Refer to Figure 5 and proceed as follows:

1.Connect microphone- or line-level signal sources to the Channel Input connectors (use conventional two-conduc- tor shielded cables).

2.Insert a screwdriver or similar tool into the slot above each block connector and adjust the input slide switch as re- quired: microphone level (left position), 48 V phantom power (center position), or line level (right switch posi- tion).

3.Connect the Line Level Output of the SCM800/E to the input of other mixers, equalizers, amplifiers, or recorders. If multiple SCM800/E mixers are to be used, refer to the Mixer Linking paragraph of this manual.

4.If headphone monitors are to be used, plug them into the1/4-inch PHONES jack on the front-panel.

5.Connect the power cord to a 120 Vac (SCM800) or 230 Vac (SCM800E) power source.

NOTE: For instructions on how to change the operating volt- age of either model, refer to the Internal Modifications section of this manual.

TO STEREO OR MONO HEADPHONES

FROM AUX– OR LINE–LEVEL SOURCE

TO AMP/REC/MIXER INPUT (CH. 1–7)

FROM MIC/LINE SOURCE (CH. 1–8)

TO AMP/RECORD/MIXER INPUT

OR FROM AUX SOURCE (CH. 8)

MIXER OUTPUT TO AMP/REC/MIXER INPUT

TO LINKED SCM800 MIXERS

TO POWER SOURCE

SCM800/E AUDIO CONNECTIONS

FIGURE 5

OUTPUT LIMITER THRESHOLD SETTINGS

The DIP switches on the rear-panel, shown below in Figure 3, control the output limiter threshold settings. Switches 5 and 6 change the output limiter threshold to OFF (default setting), +16 dBm, +8 dBm, or +4 dBm. Other settings are as shown in the table at right. Refer to the Internal Modifications section of this manual for additional settings.

NOTE: Switches 1, 2, 3, 4 and 7 are inactive and are not used.

(MIXER
REAR
PANEL)	1 2	3 4	5 6 7

OUTPUT LIMITER THRESHOLD DIP SWITCH

FIGURE 3

DIP SWITCH FUNCTIONS

DIP Switch Position	Limiter Threshold
5 Up	Limiter Off
6 Up	(default)
5 Down	+8 dBm
6 Up
5 Up	+16 dBm
6 Down
5 Down	+4 dBm
6 Down

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