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grace design m201
owner’s manual
7
showing. Do not try to rotate the cam while it is in the power input module. Replace
the fuses with the proper value selected from
<figure 2> below. Be sure to use a time
delay fuse with a 250V rating.
CAM SETTING LINE VOLTAGE FUSE VALUE
100V~ 100V~ 250V~ T 500mA L
120V~ 120V~ 250V~ T 500mA L
220V~ 220V~ 250V~ T 315mA L
240V~ 230V~ 250V~ T 315mA L
240V~ 240V~ 250V~T 315mA L
<figure 2 - fuse value table>
CHECK LINE VOLTAGE SETTINGS
Your m201 has been set from the factory to operate at the voltage required for your
part of the world. However, it’s important to double-check this in order to ensure no
damage will come to the unit if power is applied while the setting is incorrect.
Preamplifier Operation
TURNING THE POWER ON
The power switch is located on the m201 front panel. Pushing the power switch in
turns the mains power on (switch illuminates green). Pushing the power switch again
turns the mains power off.
USING THE INPUT MODE SELECTOR SWITCH
The input mode switch to the right of the gain control provides a convenient way for
the user to select between the various types of inputs the m201 can accommodate.
The following in an overview of the four settings:
48V This setting should be selected for all general recording applications with most
microphone types. In this position, the main XLR mic inputs are feeding the preampli-
er and the dual XLR outputs are active. Proceed with the ‘setting the gain’ discussion
below.
HI-Z This setting is used to select the front panel mounted 1/4” instrument DI inputs.
These inputs can accommodate a wide variety of high impedance input sources, in-
cluding bass guitar, keyboards, electric guitars etc... In this mode, the rear panel XLR
inputs are not active, while the dual balanced XLR outputs carry the amplied signal
from the DI inputs. There is no 48V phantom available on this input. The phase reverse
switch is active, and the gain range of this input is -2dB to +44dB (20dB less than the
48V input), so therefor the -20dB pad is not available. This connector is balanced with
the Tip positive, Ring negative and Sleeve ground.