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SECTION 2 INITIAL OPERATION
2.1 GENERAL
I t is assu med that the M-T H R E E has been unpacked and is ready to
be installed and switched on.
2.2 SWITCHING ON THE M-THREE
2.2.1
CHECK THAT THE VOLTAGE LABEL ON THE REAR
OF THE M-THREE INDICATES THE CORRECT MAINS
SUPPLY (see Fig. 2/1).
2.2.2
Plug the appropriate end of the mains lead provided into
the Mains Supply connector on the rear of the M-THREE.
2.2.3
Plug the M-THREE's mains plug into a functional mains
socket.
2.2.4
Ensure that a minimum distance of 3" is left clear at the
rear of the M-T H R E E in order for its cooli ng system to
function effectively.
2.2.5
Plug the lead from the keyboard securely into the
connector on the front of the M-THREE (see Fig. 2/2a,
b, or c as applicable) keeping the excess lead in the recess
provided in the keyboard's base.
2.2.6
Insert the supplied 'switch-on' key into the keyswitch on
the front of the Main Control Unit and turn it clockwise.
2.2.7
The following will occur:
a) A high pitched 'peep' will be heard.
b) The cooling fan will be heard.
c) The Disk Drive motors will be heard.
d) The red indicator on the left-hand Disk Drive (Disk
Drive A) will illuminate.
2.3 THE CONTRAST CONTROL
To allow for differing ambient lighting conditions, a Contrast control
has been provided at the front of the Main Control Unit (see Fig.
2/2a, b, or c). This control should be adjusted by the operator to
suit his/her requirements.
N.B. The brightness of the display is present during manufacture
for optimum operating conditions and therefore no provision
has been made for user adjustment.
2-1
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