Electronics International SR-8A - Manual (Page 8)

6
Operating Instructions Features
Analyzer has detected a problem but it will not stop its scan until it reaches the hottest analyzer
channel. (Note: In order to use this feature to lean to an EGT, the first 4-6 channels of the SR-8A
should be used to measure EGT's.)
B) Scan Mode - You may also use the Peak Locate feature in the Scan Mode. Pressing the Peak
button will start the fast scan on the current channel being displayed and it will scan until it reaches the
hottest analyzer channel. At that time, it will continue scanning at the normal scan rate.
8. Back Light and Channel Indicator Intensity:
The Smart Analyzer comes with 12 and 24 volt digital display back light control lines. The digital display
should be backlit all the time. This will allow it to easily be viewed in dim light. The digital display is best
viewed in high ambient light or direct sunlight.
Also provided is a Green Channel Indicator Intensity Control Line. If this line is connected to your Panel
Light Rheostat, the Green Channel Indicators’ intensity can be controlled for night operation. As the Panel
Light Rheostat is turned up the Green Channel Indicators will dim. If you find the Green Channel Indicators
to be too bright during daytime operation, turn the Panel Light Rheostat up slightly to control the intensity of
the Green Channel Indicators to suit your requirements.
Operating The Smart Analyzer in Your Aircraft
1. Taxi:
During taxi the exhaust gas temperatures will be below the Lower Temperature Limits (1100'F). Therefore,
to avoid a red “Temp Prob” light, operate the Smart Analyzer in the Manual Mode. In the Manual Operating
Mode the Lower and Differential Limits are disabled.
2. Run Up:
During run up you may want to look at each of your engine temperatures by stepping the Smart Analyzer
through the channels manually. If you want the Smart Analyzer to diagnose your engine automatically, place
the Smart Analyzer in the Scan Operating Mode. A situation you may encounter by scanning during run up
is that some of the engine temperatures (such as EGT’s) may not exceed their Lower Temperature Limits
(1100'F). If this is the case, you may want to check your engine in the manual operating mode.
3. Takeoff:
Place the Smart Analyzer in the Scan Operating Mode during takeoff. For the first few seconds of the
takeoff roll you may get a red “Temp Prob” light until the exhaust gas temperatures exceed their Lower