Garmin G1000 Series, Pilot'S Manual, Page: 122 / 338

Garmin G1000 Pilot’s Guide for the Diamond DA40
190-00592-00 Rev. A 6-2
ENGINE INDICATION SYSTEM
6.2 DA40 & DA40F
ENGINE PAGE
Beneath the gauges are horizontal bar indicators for fuel
flow, cylinder head temperature (CHT), oil temperature, oil
pressure, alternator amperage, bus voltage and fuel quan-
tity.
Manifold Pressure Gauge (DA40)
The Manifold Pressure gauge displays the engine power
in inches of mercury (in Hg).
• White (bottom of arc) – Below normal operating
range.
• Green – Normal operating range.
• White (top of arc) – Above normal operating
range.
Tachometer
The Tachometer displays propeller speed in revolu-
tions per minute (RPM).
• White – Below normal flight operating range.
• Green – Normal flight operating range.
• Red – Propeller overspeed.
Fuel Flow GPH Indicator
The Fuel Flow indicator displays current fuel flow in
gallons per hour (GPH). The Fuel Flow indicator ranges
from 0 to 25.
• Green – Normal fuel flow.
• Red – Abnormal fuel flow.
CHT Indicator
The CHT (Cylinder Head Temperature) indicator dis-
plays the temperature of the hottest cylinder in degrees
Fahrenheit. The number of the hottest cylinder appears
in the triangular pointer.
• Green – Normal
• Yellow – Caution
• Red – Warning
Oil Temperature Indicator
The Oil Temperature indicator displays the engine oil
temperature in degrees Fahrenheit.
• Green – Normal
• Yellow – Caution
• Red – Warning
Oil Pressure Indicator
The Oil Pressure indicator displays the pressure of the
oil supplied to the engine in pounds per square inch (psi).
• Green – Normal
• Yellow – Caution (low and high)
• Red – Warning (minimum and maximum)
Ammeter
The Ammeter displays the alternator load in amperes.
The Ammeter ranges from 0 to 80. The green band is
indicative of normal operation.
Voltmeter
The Voltmeter displays the primary bus voltage.
• Green – Normal
• Yellow – Caution (low and high)
• Red – Warning (minimum and maximum)