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FLASH-TRIGGER
INPUT:
DISPLAY:
4
&
WARNING! Avoid looking into the light path. Although no permanent
damage will occur, momentary blinding may be experienced. After pro-
longed exposure to the Stroboscope light, painful eye irritation is to be
expected.
3-pole coaxial socket accepting the Photo Trigger Cable AQ 0375 pro-
vided with the Type 4914. It is used to trigger single "Photo" flash
ignitions via the flash contact of a camera. Triggering may also be
carried out using a standard 2 pole BNC plug. When the Photo Trigger
Cable is connected, a camera appears on the front panel DISPLAY.
See Fig. 2.2.
The display has the following elements:
Fig. 2.2. Elements of the liquid-crystal-display
1. a head with
2. speech indication to show that the filter is ready to search for a
voice frequency, and suggesting that the patient produce a sound
3. a camera which indicates that a cable plug is connected to the
FLASH-TRIGGER INPUT
4. blinking arrows to indicate that the Photo-flash Condenser is
charged and ready to fire a flash
5. four-digit (each with 7 elements) display for frequency or phase
values
6. a degree symbol for phase measurements
7. the "Hz" indication for frequency measurements
8. a foot placed over a pedal to suggest using the pedal to obtain
measurements
9. a light bulb indicating that a powerful light-source is in use. If no
light actually appears at the light output the lamp, or its fuse, may
be broken.
10. "FILTER" and
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