User guide
![](/manual/major-tech/mtd90/user-guide-english/images/img-13.png)
Page 12
MTD90
LICENCE FREE 2-WAY RADIOS
• If you press the PTT - button while listening to a found CTCSS
code, the PMR will go back in stand-by mode on the channel with
the CTCSS code.
• If no CTCSS code is detected there is a chance that DCS is
selected by the user. In this case you can scan for the DCS code.
(section 13.10.3)
If you press the PTT - button 12 while listening to a found DCS code, the
PMR will go back in stand-by mode on the channel with the DCS code.
The MTD90 has 15 call tones
PTT
PTT