Remote Control Use; Flight Guide; Flight Operation - SYMA S51H User Manual

3.3 Remote Control Use

4 x AAA Batteries
Remote control battery installation: Open the battery cover of the remote control, and install 4*AAA
batteries correctly according to the electrode instructions of the battery box (battery needs to be
purchased separately)
Maxmium radio-frequency power transmitted 4dbm. Frequency range:2405-2478 MHz
Note:
!
1. During the battery installation, it must be ensured that the polarities of the batteries are matched
with that of the battery box. No battery shall be installed with the opposite polarity.
2. Please do not use new and old batteries together.
3. Please do not use different types of batteries together.
4. Do not use rechargeable batteries.

4.0 Flight Guide

4.1 Flight Operation

1. Turn on the power switch of the
helicopter, the indicator light flashes
7
ON
OFF
2. Turn on the power switch of
the remote control, the indicator
on the remote control flashes
Battery Cover