XW-4
（
CAS-10
）
Amateur Radio Satellite User's Manual
21
/
31
V2.0 by BA1DU
龚万骢
（
3
）
Photo data download remote command
The remote control of downloading XW-4 (CAS-10) satellite space camera photo
data uses DTMF subcarrier modulation and FM radio frequency modulation system.
The remote control command codes are shown in the following table.
1) Remote control command:
DTMF Remote
command code
Functions performed
1
*00#
Download photo catalog information
2
*01#
Download photo 01
3
*02#
Download photo 02
4
*03#
Download photo 03
5
*04#
Download photo 04
6
*05#
Download photo 05
7
*06#
Download photo 06
8
*07#
Download photo 07
9
*08#
Download photo 08
10
*09#
Download photo 09
11
*10#
Download photo 10
2) Sequence of sending a remote control command:
Each remote control command is composed of a 4-digit DTMF code, starting with *
and ending with #. The duration of sending each digit of DTMF command is not less
than 100ms, and the interval between sending each DTMF code of the same
command is greater than 200ms and no more than 3 seconds.
