How to set DTMF of Retevis RT95

Retevis RT95 is Dual Band HAM Mobile Radio, and supports DTMF. do you know how to set it? 

1. set on the radio

In the state of the DTMF code query, press the PTT key to send the current group of DTMF codes;
If you want to modify the DTMF code, in the state of the DTMF code query; press the key and then press the key to enter the DTMF code editing state, you can input it through the number keys of the hand microphone, and press the PTT key to send the code and save it. To edit and save the DTMF number, you don’t need to enter it when you use it, just check it directly and press PTT to launch

2. set in the software

1>. Channel setting: Set 3 channels, CH1=M1, CH2=M2, CH3=M3

2>. DTMF setting: 
DTMF interval Character = * ,   Group Code= A

Self ID=001 , PTT ID starting = *001( so the receiver will know 001 is calling them.)

M1= 002*001( means will call the radio self ID= 002) (the radio self ID=002 shall set M1=001*002)
M2= 003*001( mean will call the radio self ID= 003) (the radio self ID=003 shall set M2=001*003)
M3= 00A*001( mean will call the radios self ID= 00A, A stands the radio in A group self ID number started with 00,    )

3>. Communication note (address list), not necessary step by useful to offer the self ID a real name.

001= Boss

002=Adnan

003= Andy
If you program this list, 
when 001 call 002 by channel 1, 002 will know on LCD that the calling is from Boss.
(Same way, if 002=Adnan call 001=boss by channel 1, 001 will know on LCD that the calling is from ADNAN