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TTX404 TRANSMITTER (Tx)
The TTX404 airplane transmitter is available in either a “Mode 2” confi guration
with throttle on the left and elevator on the right, or “Mode 1” confi guration with
throttle on the right and elevator on the left. Mode 2 radios are most commonly
used in the U.S., whereas Mode 1 radios are popular in other countries. Be sure
the radio purchased is of the correct mode.
Four “AA” batteries are required to power the Tx (not included). Non-rechargeable
1.5V alkaline, or 1.2V rechargeable nickel-cadmium (NiCd) or nickel-metal hydride
(NiMH) cells, can be used. Do not mix cell types, or old and new cells, etc. See the
SERVOS AND ACCESSORIES
section on page 16 for optional batteries available
at local hobby retailers.
To install the batteries, slide the
battery door down. Insert the cells as
shown in the diagram, making sure
to note proper polarity for each cell.
Close the battery door.
POWER SWITCH, LED, and
LOW BATTERY ALARM
The red power LED should light
when the power switch is moved
upwards to the “ON” position. The