![Arec LS-2 Скачать руководство пользователя страница 13](http://html.mh-extra.com/html/arec/ls-2/ls-2_user-manual_2966497013.webp)
13
www.arec.com
LS-2 User Manual
1.1.3 PTZ control port
1.1.4 Audio
The LS-2 facilitate the web-based users control PTZ cameras using RS-232 protocol. Connect an USB-to-RS-232 adapter to
the LS-2 back USB port in advance. Before making any changes to this page, please get to know about the RS-232 settings
of the desired PTZ camera. The following configurations must be identical to the external device settings.
Protocol : Available options are VISCA, PELCO-D, and PELCO-P;
Address : Set according to the camera address for RS-232 communication. VISCA: 1-7, PELCO D/P: 1-255;
Baud rate : 2400, 4800, 9600, and 115200
Note: Support USB to RS-232 serial port adapter with chip PL2303 or FT4232H.
Input volume control - Users can select the sound source from the drop-down menu of Audio input 1 or Audio input 2. Tune
the recorded volume from each audio input. Configurable range of sound input is 0-125. The nearby
volume meter indicates the encoded audio current volume.
Output volume control - Adjust the Line output or HDMI output volume.
Set Audio output loop through on/ off.
Adjust volume and select the audio input source.