The leftmost relay(QPR1)is an electronic time delay relay to prevent spurious triggering of the Emergency Flasher Light during the brake releasing phase.The middle relay is QPR2 which is a repeater of QPR1 and is also linked to the QFL relay to the right which is the relay which is energised when excess airflow is detected in the brake pipe.
Date: 2007-10-20
Photo Properties
Summary Details
| Make | Canon | Model | Canon PowerShot A710 IS |
| Aperture Value | f/2.8 | Color Space | sRGB |
| Exposure Bias Value | 0 EV | Flash | Red Eye, Auto-Mode |
| Focal Length | 5.8 mm | Metering Mode | Multi-Segment |
| Shutter Speed Value | 1/60 sec | Digital Zoom Ratio | 1 |
| Date/Time | 2007 Oct 20 16:10:45 +0000 |