Garmin GMA 342, Руководство по установке

Страница: 12 / 65

190-01878-02 GMA 342/345 Installation Manual
Rev. 5 Page 1-6
1.3.3 Power Requirements
The GMA 342/345 will operate down to emergency voltage (9 Volts). Below 11 Volts, the USB charge
port (GMA 345 only) and the speaker (both GMA 342 and GMA 345) are disabled.
Table 1-4 Speaker Output
Aircraft Voltage Speaker Impedance Output Power
14V
4 Ω 3 Watts
8 Ω Not Recommended
28V
4 Ω 10 Watts
8 Ω 7 Watts
Table 1-5 GMA 342/345 Power Requirements
Characteristic Specification
Input Voltage Range 11 to 33 Vdc
Leakage Current* < 1 mA
*Current the unit draws when turned off (GMA 342/345 turned off by the knob).
Table 1-6 GMA 342 Power Requirements
Characteristic Current Draw Power Consumption
Idle Current*
0.34 A @ 14 VDC
0.19 A @ 28 VDC 4.76 W @ 14 VDC
5.32 W @ 28 VDC
Typical Operating Current
0.83 A @ 14 VDC
0.43 A @ 28 VDC 11.62 W @ 14 VDC
12.04 W @ 28 VDC
Maximum Current
1.19 A @ 14 VDC
0.90 A @ 28 VDC 16.66 W @ 14 VDC
25.20 W @ 28 VDC
*Unit current drawn with power applied, no audio, and minimum lighting.
Table 1-7 GMA 345 Power Requirements
Characteristic Current Draw Power Consumption
Idle Current*
0.34 A @ 14 VDC
0.19 A @ 28 VDC 4.76 W @ 14 VDC
5.32 W @ 28 VDC
Typical Operating Current without USB charge
port being used.
0.83 A @ 14 VDC
0.43 A @ 28 VDC 11.62 W @ 14 VDC
12.04 W @ 28 VDC
Maximum Current with no USB charge port
connection
1.19 A @ 14 VDC
0.90 A @ 28 VDC 16.66 W @ 14 VDC
25.20 W @ 28 VDC
Maximum Current with USB charge port
connection
2.39 A @ 14 VDC
1.49 A @ 28 VDC 33.46 W @ 14 VDC
41.72 W @ 28 VDC
*Unit current drawn with power applied, no audio, and minimum lighting.