Ecom Instruments x.com 400/401 - Manual (Page 11)

76
Connectors
Programmable
button
Speaker
PTT
The PTT key is used in hands free mode in order to deactivate the loudspeakers and to activate
the second microphone in the upper part of the mobile phone.
BAL x.com 401_UK.indd 76 08.01.2008 10:00:03 Uhr