Bedienungsanleitung Spektrum DX8 (Seite 11 von 42) (Englisch)

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

 

 



 





Full range up to 8-channel aircraft including:

 •Alltypesandsizesofglow,gasandelectricpoweredairplanes

 •Alltypesandsizesofno-poweredgliders

 •Alltypesandsizesofglow,gasandelectricpoweredhelicopters

Note: Not for use in airplanes that have full carbon fuselages. Not for

use in airplanes that have signiﬁcant carbon or conductive structures. It is

recommended to use one of the carbon fuselage receivers. (SPMAR9300,

SPMAR6255).



 

 

 

 

   

 

   

 

 

 

 

 

 

 



In gas and glow aircraft install the main receiver by wrapping it in protective foam

and fastening it in place using rubber bands or hook and loop strap.

In electric airplanes or helicopters, you can use thick double-sided foam tape to

fasten the main receiver in place.

Mount the remote in a slightly different location from the primary receiver. This

gives tremendous improvements in path diversity. Essentially, each receiver sees

a different RF environment and this is key to maintaining a solid RF link. This is

especially the case in aircraft with substantial conductive materials (e.g., larger

gas engines, carbon ﬁber, pipes etc), which can weaken the signal.

Using servo tape, mount the remote receiver keeping it at least 2 inches

away from the primary antenna. Ideally, you should position the antennas

perpendicular to each other. In airplanes, we recommend mounting the primary

receiver in the center of the fuselage on the servo tray and the remote receiver to

the side of the fuselage or in the turtle deck.



Do not use ampliﬁed Y-harnesses and servo extensions with Spektrum

equipment. Only use standard non-ampliﬁed Y-harnesses and servo extensions.

When converting existing models to Spektrum, replace all ampliﬁed Y-harnesses

and/or servo extensions with conventional non-ampliﬁed versions



Onboard power systems must provide adequate power, without interruption,

to the receiver even when the system is fully loaded (servos at maximum ﬂight

loads). Inadequate power systems are a primary cause of in-ﬂight failures. Some

components that affect the ability to properly deliver adequate power include:

the selected receiver battery pack (number of cells, capacity, cell type, state of

charge), switch harness, battery leads and, if used, the regulator and power bus.

The AR8000’s minimum operational voltage is 3.5-volts. Test the system per the

following guidelines to a minimum voltage of 4.8-volts during ground testing.

This will compensate for battery discharging or actual ﬂight loads that are greater

than ground test loads.



1. When setting up large or complex aircraft with multiple high-torque

servos, use a current and voltmeter (HAN172). Plug the voltmeter in an

open channel port in the receiver, and with the system on, load the control

surfaces on your aircraft by applying pressure with your hand. Monitor the

current as you load control surfaces. The voltage should remain above 4.8

volts even when all servos are heavily loaded.

2. With the current meter inline with the receiver battery lead, load control

surfaces while monitoring the current. The maximum continuous

recommended current for a single heavy-duty servo/battery lead is 3 amps.

Short-duration current spikes of up to 5 amps are acceptable. If your system

draws more than these currents, you need to use multiple packs of the same

capacity with multiple switches and multiple leads plugged into the receiver.

3. If using a regulator, perform tests for a 5-minute period. A regulator may

provide adequate short-term power, but this tests its ability to maintain

voltage at signiﬁcant power levels over time.

4. For really large aircraft or complex models, multiple battery packs with

multiple switch harnesses are necessary. No matter what power systems

you choose, always carry out test #1. Make sure the receiver is constantly

provided with 4.8 volts or more under all conditions.

When charging any brand of NiMH battery pack, make sure

the battery is fully charged. Due to the nature of peak charges and variations in

charging rates, heat development, and cell types–the capacity reading of a battery

charged on a fast peak charger may only reach 80% of its nominal value. Use a

charger that displays total charge capacity. Note the number of mAh put into a

discharged pack to verify the charge is at full capacity.



You must bind the receiver to the transmitter before the receiver will operate.

Binding teaches the receiver the speciﬁc code of the transmitter, so it will only

connect to that transmitter.

1. To bind an AR8000 to a DSM2 transmitter, insert the bind plug in the BATT/

BIND port on the receiver.

Spektrum DX8 Seite 11

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