11
REF SELECT - This LED indicates the REF OUT signal mode. Pressing the ‘
▲
’ or ‘
▼
’ keys selects
the ‘REF OUTPUT” signal from a number of sources depending on the operating mode selected.
Operating Mode
Available sync sources
Internal Reference Mode: OUT, SYN
External
Reference:
OUT
2-Frequency Blade:
OUT, SYN, SUM, DIFF
Where: OUT = chopper wheel frequency (for the 2-frequency blade, the outer
blade frequency)
SYN = the internal frequency synthesizer (or the harmonic generator for
the external mode)
SUM = sum frequency for the 2 frequency blade
DIFF = difference frequency for the 2 frequency blade
12
MODE - Pressing this key cycles through the various input modes (REF SELECT, SET N, SET D,
RECALL and SAVE). The LED above the legend indicates the currently active mode. Note: the
available input modes are dependent on the operating state (i.e. the SET N and SET D are not active
when operating in the internal reference mode).
13
POWER button - Press in to power the MC1000 on.
14
FREQ UP / CYCLE Key - This key is used to increase the chopping frequency when operating in the
internal reference mode. It is also used for cycling through input options for other operating modes.
7.2 Controller Rear Panel Features
OPTICAL HEAD
WARNING
GROUNDING CONDUCTOR MUST BE CONNECTED TO
GROUND. REFER SERVICING TO QUALIFIED PERSONNEL.
TO AVOID ELECTRICAL SHOCK
THE POWER CORD PROTECTIVE
RS232
250mA FUSE
125mA FUSE
100/115VAC 50-60Hz
50-60Hz
230VAC
1
2
3
4
MAX POWER 20VA
WWW.THORLABS.COM
USE 250V, TYPE T, 5X20MM, SLO BLOW FUSES
MODEL #: MC1000A
S.N.
MANF:
5
6
Figure 2 – MC1000A Rear Panel
Feature:
Description:
1
Cooling fan – Do not block when the unit is operating.
2
RS-232 Serial Port Connector – See section 8 for complete details.
3
Line Voltage Indicator – This screw indicates the position of the line voltage selector switch located
within the unit. If changing the line voltage this screw should be installed in the appropriate position.
See section 5 for details.
4
Modular interface connector for the optical head
5
AC input receptacle – This input requires an IEC compatible plug with a properly connected ground
terminal. Thorlabs supplied a cord for operation in the United States.
6
Fuse Holder – The system fuse is installed here. See section 5 for more details.
_________________________________________________________________________________________________
Doc 12536-D03 Rev D 9/19/2005
Page 12
of
22
