
90074225 MOPS-Q QTH Lamp Pow er Supplies
Page 40
11.1 SHUTTER STATUS
The shutter status is indicated on the power supply display at all times . If a shutter is not being used in
the system, by default it will appear as closed on the display.
Note: the power supply does not receive feedback from the shutter as to whether it is functioning correctly.
The shutter status indicator is based on the signal being sent from the power supply
’s Shutter Output
connector.
Figure 19 Shutter Status Indicator on Display.
The System1 setup menu provides the means to indicate of the shutter will open or close based on the
input of a TTL high or low signal from the Trigger Input connector on the back of the power supply.
If the shutter status symbol on the power supply display indicates the opposite condition with respect to
the actual shutter status while using external TTL control, this setting needs to be modified. Refer to the
Section in this user
’s manual regarding External Shutter Control Methods for more information.
Figure 20 Shutter Status Symbols.
11.2 MANUAL SHUTTER MODE
This feature is available when the shutter is set to Manual. The lamp mode may be set to Power, Current
or Intensity mode.
To operate the Shutter in Manual mode, press the horizontal menu key under the Shutter icon on the LCD
screen until Manual operation mode is listed as shown: