GLP impression FR1 TM User Manual page 12

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If you use the color presets channel, we recommend that you set RGBW levels to 100%
as a starting point before selecting a color preset. After you have selected a color on
the color preset channel you can then fine-tune it using the RGBW channels.
CTC
The CTC DMX channel lets you adjust color temperature from 2500 to 10 000 K.
If you use the CTC channel, we recommend that you set RGBW levels to 100% as a
starting point before setting a color temperature. After you have set a color
temperature on the CTC channel you can then fine-tune it using the RGBW channels.
Shutter effects
The impression FR1 TM features an electronic dimmer / shutter system that provides
pulse and strobe effects.
Dimming
0 – 100% continuous dimming is available.
See Figure 3. You can select from three different dimming curves using the control
panel or the Control/Settings DMX channel: Linear, Soft and Extra soft:
• Light output using the Linear curve will appear to increase and decrease evenly
throughout the dimming range.
• The Soft and Extra soft curves give finer control at low light levels (where the eye is
more sensitive to changes in light level) and coarser control at high levels.
The default setting is Extra soft.
12
Light
output
DMX control value
Figure 3. Dimming curves
impression® FR1 TM
User Manual