Shure SCM800 - Manual (Page 5)

5
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
the 1 /
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/RECORD/MIXER INPUT
TO LINKED SCM800 MIXERS
TO POWER SOURCE
TO AMP/REC/MIXER INPUT (CH. 1–7)
FROM MIC/LINE SOURCE (CH. 1–8)
OR FROM AUX SOURCE (CH. 8)
MIXER OUTPUT TO AMP/REC/MIXER INPUT
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.
1 2 3 4 5 6 7
(MIXER
REAR
PANEL)
OUTPUT LIMITER THRESHOLD DIP SWITCH
FIGURE 3
DIP SWITCH FUNCTIONS
DIP Switch Position Limiter Threshold
5 Up
6 Up Limiter Off
(default)
5 Down
6 Up
+8 dBm
5 Up
6 Down
+16 dBm
5 Down
6 Down
+4 dBm