12 SPEKTRUM NX6 • TRANSMITTER INSTRUCTION MANUAL
EN
RECEIVER POWER SYSTEM REQUIREMENTS
Inadequate power systems that do not provide the necessary
minimum voltage to the receiver during ight have become the
number one cause of in-ight failures. Some of the power system
components that affect the ability to properly deliver adequate
power include:
• Receiver battery pack (number of cells, capacity, cell type,
state of charge)
• The ESC’s capability to deliver current to the receiver in
electric aircraft
• The switch harness, battery leads, servo leads, regulators etc.
The AR6610T has a minimum operational voltage of 3.5 volts; test
the power system per the guidelines below.
Recommended Power System Test Guidelines
Perform the following test by viewing the voltage in the telemetry
display on the transmitter.
With the system on, load the control surfaces (apply pressure with your
hand) while monitoring the voltage at the receiver. The voltage should
remain above 4.8 volts, even when all servos are heavily loaded.
CAUTION: When charging Ni-MH batteries, make sure
the battery fully charges. Ni-MH batteries charged with
peak detection fast chargers have a tendency to false peak
(i.e. not fully charge), which could lead to a crash.
QuickConnect™ Technology with Brownout Detection (DSM2 Only)
The AR6610T features QuickConnect technology with Brownout
Detection.
• Should an interruption of power occur (brownout), the system
will reconnect immediately when power is restored.
• The LED on the receiver will ash slowly, indicating a power
interruption (brownout) has occurred.
• Brownouts can be caused by an inadequate power supply
(weak battery or regulator), a loose connector, bad switch,
inadequate BEC when using an electronic speed controller,
etc.
• Brownouts occur when the receiver voltage drops below
3.5 volts. This interrupts control, as the servos and receiver
require a minimum of 3.5 volts to operate.
How QuickConnect Technology with Brownout Detection Works
• When the receiver voltage drops below 3.5 volts, the system
drops out (ceases to operate).
• When power is restored, the receiver immediately attempts to
reconnect to the last two frequencies it was connected to.
• If the two frequencies are present (the transmitter was left
on), the system reconnects typically in about 4/100 of a
second.
QuickConnect with Brownout Detection is designed to allow you
to y safely through most short duration power interruptions.
However, you must correct the cause of these interruptions before
your next ight to prevent a crash.
CAUTION: If a brownout occurs in ight, determine the
cause of the brownout and correct it before attempting
to y again.
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