Spektrum SPMAR12000 User Manual download pdf

Battery Requirements

Using One Battery

The AR12000 allows the option of using one or two battery packs. When using one battery, simply

plug the battery into either one of the two battery connectors (BATT 1 or BATT2). When using dual

batteries, it’s recommended that both batteries be of the same capacity, voltage and ideally of the

same age/previous proﬁle. When using two batteries the total available capacity equals the sum

total of both batteries (e.g. BATT1- 2000mAh + BATT2- 2000mAh= a total capacity of 4000mAh).

Battery Capacity

It’s important to select a battery(s) that has more than adequate capacity to provide the necessary

ﬂight time. Our staff has been recording in-ﬂight data to determine typical current consumption

of aircraft in ﬂight. Following are two graphs that illustrate the in-ﬂight current draw of the radio

system.

Note: Current draws may vary depending on your servos, installation, and ﬂying style.

The following setup is shown as a worst case scenario indicative of some aerobatic pilots’ setups. It

is not recommended to use this setup without proper voltage regulation for your servos.

Airplane - 40% YAK

File: JasonNoll.FDR Session:All Sessions

Secon ds

35 030 025 020 015 010 050

PackAmps_A

PackAmps_A: Min 0.00 Max 17.80 Avg 2.62

45 040 00

Servos - 9-JR8711’s 1-8317 (throttle)

Batteries - Two 4000mAh 2-cell 7.4-volt LiPo’s

Regulator - none

Note: JR8711’s and 8317’s are rated at a maximum of 6-volt 5-cell use. Using higher voltages will

void the warranty.

Engine - DA150

Weight - 40 lb

Flight envelope - Aggressive 3D

Average current - 2.62 amps

Peak current - 17.8 amps

Milliamps used per 10 minute ﬂight - 435mAh

In the example above, the average current was 2.62 amps, which calculates to 435mAh per 10

minutes (typical ﬂight length). It’s recommended that only 60% of the available capacity be used to

ensure plenty of reserve battery capacity. In this example, using two 4000mAh batteries (8000mAh

total capacity) x 60%= 4800mAh (available usable capacity) divided by the capacity used per 10

minute ﬂight, 435mAh would allow up to 11 ﬂights of 10 minutes each.

BLACK

vendor: Firebird Technology

ﬁle name: SPM AR12000 Rx Instruction Sheet

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ﬁle information

images: all images embedded

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AR12000 User Guide

The AR12000 full range 12-channel receiver features DSM2

™

technology and is compatible with all

Spektrum

™

and JR

aircraft radios that support DSM2 technology including Spektrum DX7, Spektrum

DX6i, Spektrum DX5e, Spektrum Module Systems, JR12X, JRX9303.

Note: The AR12000 receiver is not compatible with the Spektrum DX6 parkflyer transmitter.

Features:

• 12-Channel Full Range Receiver with Dual Battery Ports

• Patented MultiLink

™

receiver technology with up to four receivers

• Includes one internal and three remote receivers

• Two type of failsafe SmartSafe

™

and Preset Failsafe

• QuickConnect

™

with Brownout Detection

• Flight Log Compatible (optional)

Applications

Full Range Up to 12-channel aircraft including:

Giant-scale aircraft

Jets

Scale aircraft

Large scale helicopters

Giant-scale racing airplanes

Aircraft with multiple functions

Speciﬁcations:

Type: DSM2 Full Range Receiver

Channels: 12

Modulation: DSM2

Dimension (WxLxH): 46.5 x 52 x 15.3mm

Weight: 40 g

Input Voltage Range: 4.8–10V

Resolution: 2048

Items Included:

• Receiver main unit - SPMAR12000

• Three remote receivers - SPM9545

• One 24” remote receiver extension - SPM9013

• One 12” remote receiver extension - SPM9012

• One 9” remote receiver extension - SPM9011

• User Guide

• Male/Female bind plug - SPM6803

Optional Items

• Flight Log data recorder - SPM9540

• Replacement remote receiver - SPM9545

• 6” Remote receiver extension - SPM9010

• 9” Remote receiver extension - SPM9011

• 12” Remote receiver extension - SPM9012

• 24” Remote receiver extension - SPM9013

• 36” Remote receiver extension - SPM9014

• 6” Quick Disconnect Remote receiver extension - SPMAJST3

• 12” Quick Disconnect Remote receiver extension - SPMAJST6

Airplane - 33% Sukhoi

Fil e: sukhio Session:Al l Sessions

PackAmps_A: Min 0.0 0 Max 6.92 Avg 0.82

Second s

45 040 035 030 025 020 015 010 0500

PackAmps_A

6.5

5.5

4.5

3.5

2.5

1.5

0.5

Servos - 7-JR8611’s 1-8317 (throttle)

Batteries - 1- 4000mAh 2-cell 7.4-volt LiPo’s

Regulator - 6 volts

Engine - DA100

Weight - 26 lb

Flight envelope - Moderate 3D

Average current - .82 amps

Peak current - 6.92 amps

Milliamps used per 10 minute ﬂight - 137mAh

Recommended Guidelines for Battery Capacity

40-45% Aerobatic aircraft w/ 9–12 high current servos: 4000-8000mAh

33-35% Aerobatic aircraft w/ 7–10 high current servos: 3000-6000mAh

25% Quarter Scale Aerobatic aircraft w/ 5–7 high current servos: 2000-4000mAh

Jets - BVM Super BANDIT, F86, Euro Sport, etc.: 3000-6000mAh

Giant-Scale Jets - BVM Ultra Bandit: 4000-8000mAh

Scale aircraft: The variety of scale aircraft and the accessories they use vary tremendously

making it difﬁcult to give capacity recommendations for these types of aircraft. Using the above

aerobatic guidelines relative to the size and number of servos used will provide a conservative

capacity for your scale aircraft. As always, check battery charge condition before each ﬂight.

IMPORTANT: DO not use a 4-cell 4.8-volt battery to power the receiver.

Four-cell 4.8-volt batteries do not provide enough voltage head room (additional margin needed)

necessary to power the system when heavily loaded. Under load, the system voltage can drop below

the voltage system’s minimum operating voltage threshold (3.5 volts) and cause loss of control.

The AR12000 is capable of handling voltages from 6.0 to 10.0 volts. The voltage limitations are

generally the servos. Most servos are compatible with 5-cell 6-volt packs, however, and 5-cell

6-volt NiMH packs have become the standard for many giant-scale applications.

Be aware that NiMH batteries have tendencies to false peak when being fast charged. Be especially

careful and sure when using NiMH batteries that they are fully charged and have not false peaked.

Many pilots are using 2-cell LiPo batteries to power their aircraft. LiPo’s offer greater capacity for

their size and weight, plus it is easier to manage the charging.

Receiver

The AR12000 incorporates one internal receiver, and requires at least two external receivers (three

are included) offering the security of multi-path RF redundancy. One internal receiver is located on

the main PC board, while two external receivers must be attached to the main board with exten-

sions. Additionally a fourth receiver is included and can be added offering the ultimate in RF link

security and redundancy. By locating each receiver in slightly different locations in the aircraft, each

receiver is exposed to its own RF environment, greatly improving path diversity (the ability for the

receiver to see the signal in all conditions).

Antenna Polarization

For optimum RF link performance it’s important that the antennas be mounted in an orientation that

allows for the best possible signal reception when the aircraft is in all possible attitudes and posi-

tions. This is known as antenna polarization. The antennas should be oriented perpendicular to each

other; typically vertical and horizontal and at different angles (see Receiver Installation below). The

remote receiver antenna should be mounted in a position perpendicular at least 2 inches away from

the main receiver’s antenna using double-sided foam tape.

Receiver Installation in Aircraft

In gas, turbine and glow aircraft install the main receiver using the same method you would use to

install a conventional receiver in your aircraft. Typically, wrap the main receiver in protective foam

and fasten it in place using rubber bands or hook and loop straps. Alternately, in electric airplanes

or helicopters, it’s acceptable to use thick double-sided foam tape to fasten the main receiver in

place. The AR12000 requires at least two remote receivers to operate. Mounting these remote receiv-

ers in different locations, even just inches away from the primary receiver, gives tremendous improve-

ments in path diversity. Essentially, each receiver sees a different RF environment and this is key to

maintaining a solid RF link, even in aircraft that have substantial conductive materials (e.g. larger gas

engines, carbon ﬁber, pipes, etc.), which can weaken the signal. Using servo tape, mount the remote

receivers keeping the remote antennas at least 2 inches away from the primary antennas. Ideally, the

antennas will be oriented perpendicularly to each other. In airplanes, we’ve found it best to mount the

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

side of the fuselage or in the turtle deck. A fourth antenna can be added for additional RF link security.

Important: Y-Harnesses and Servo Extensions

When using a Y-harness or servo extensions in your installation, it’s important to use standard non-

ampliﬁed Y-harnesses and servo extensions as this can/will cause the servos to operate erratically

or not function at all. Ampliﬁed Y-harnesses were developed several years ago to boost the signal

for some older PCM systems and should not be used with Spektrum equipment. Note that when

converting an existing model to Spektrum be certain that all amplﬁed Y-harnesses and/or servo

extensions are replaced with conventional non-ampliﬁed versions.

Binding

The AR12000 receiver must be bound to the transmitter before it will operate. Binding is the process

of teaching the receiver the speciﬁc code of the transmitter so it will only connect to that speciﬁc

transmitter.

1. To bind an AR12000 to a DSM2 transmitter, insert the bind plug in the BATT/BIND port on the receiver.

2. Power the receiver. Note that the LED on all receivers should be ashing, indicating that the receiver

is in bind mode and ready to be bound to the transmitter.

Shown using a separate receiver pack.

(Battery can be plugged into either BATT port.)

3. Move the sticks and switches on the transmitter to the desired failsafe positions (low throttle and

neutral control positions).

4. Follow the procedures of your speciﬁc transmitter to enter Bind Mode, the system will connect

within a few seconds. Once connected, the LED on the receiver will go solid indicating the system

is connected.

5. Remove the bind plug from the BATT/BIND port on the receiver before you power off the transmitter

and store it in a convenient place.

6. After you’ve set up your model, it’s important to rebind the system so the true low throttle and

neutral control surface positions are set.

IMPORTANT: Remove the bind plug to prevent the system from entering bind mode the next time the

power is turned on.

Failsafe functions

The AR12000 features two types of failsafe: SmartSafe and Preset Failsafe.

SmartSafe

This type of failsafe is recommended for most types of aircraft. Here’s how SmartSafe works.

When the transmitter and receiver are turned on the receiver connects to the transmitter and normal

control of all channels occurs. If loss of signal occurs, SmartSafe drives the throttle servo only to its

preset failsafe position (low throttle) that was set during binding. All other channels hold their last

position. When the signal is regained, the system immediately regains control.

Preset Failsafe

Preset failsafe is ideal for sailplanes and is preferred by some modelers for their glow- and gas-

powered aircraft.

When the transmitter and receiver are turned on and the receiver connects to the transmitter normal

control of all channels occurs. If loss of signal occurs Preset failsafe drives all servos to their preset

failsafe positions. For sailplanes it’s recommended that the spoilers/ﬂaps deploy to de-thermalize the

aircraft, preventing a ﬂyaway. Some powered modelers prefer to use this failsafe system to program a

slight turn and low throttle to prevent their aircraft from ﬂying away. When the signal is regained, the

system immediately regains control.

Programming SmartSafe

During the binding process the bind plug is left in throughout the process and is removed only after

the receiver connects to the transmitter. After the connection is made, conﬁrmed by operating the

servos, the bind plug can be removed. The receiver is now programmed for SmartSafe.

Programming Preset Failsafe

During the binding process the bind plug is inserted in the bind port, then the receiver is powered

up. The LEDs in each receiver should blink, indicating that the receiver is in bind mode. Now before

binding the receiver to the transmitter and with the receiver in bind mode, remove the bind plug. The

LEDs will still be blinking. With the control sticks and switches in the desired failsafe positions, bind

the transmitter to the receiver. Follow the procedures of your speciﬁc transmitter to enter Bind Mode.

The system should connect in less than 15 seconds. The receiver is now programmed for preset

failsafe.

Note: Failsafe positions are stored via the stick and switch positions on the transmitter during binding.

Receiver Power Only

• With SmartSafe or Preset Failsafe, when the receiver only is turned on (no transmitter signal is

present), the throttle channel has no output, to avoid operating or arming the electronic speed control.

• All other channels are driven to their preset failsafe positions set during binding.

Note: Some analog servos may coast slightly even though no signal is present. This is normal.

Plugging in the Leads

Plug the servo leads into the appropriate servo ports in the receiver noting the polarity of the

servo connector.

Range Testing

Before each ﬂying session and especially with a new model, it is important to perform a range check.

All Spektrum aircraft transmitters incorporate a range testing system which, when activated, reduces

the output power, allowing a range check.

Press and hold the bind button

30 paces (90 feet/28 meters)

1. With the model restrained on the ground, stand 30 paces (approx. 90 feet/28 meters) away from

the model.

1 2

AR12000 User Guide 1
FCC Information 2

Summary of Contents

Page 1 - AR12000 User Guide

Battery RequirementsUsing One BatteryThe AR12000 allows the option of using one or two battery packs. When using one battery, simply plug the battery

Page 2 - FCC Information

2. Face the model with the transmitter in your normal ﬂying position and place your transmitter into range check mode.3. You should have total con

Related models: SPMAR12010

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Spektrum SPMAR12000 User Manual

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Summary of Contents

Related models: SPMAR12010

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