Q-See QSD2216 - Manual (Page 36)

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6.14 Information Display
In shift mode, press display button, the main information of the DVR will display on screen.
HDD SIZE: the size of the hard disk
HDD USED: the used space of the hard disk.
HDD READ: current HDD address for playback
OVERWRITE: overwrite time of the HDD
NETWORK IP: IP address of the DVR.
REC LIST: number of record list
EVENT LIST: number of event list
REC OVER: record list overwrite or not
EVENT OVER: event list overwrite or not.
S/W VER: software version
6.15 PTZ Operation
This DVR can control all speed domes which are connected to the DVR.
To control the speed dome, make sure all the lines are correctly connected, first you must set the
right protocol, baud rate, and speed dome’s address for each speed dome, please refer to protocol
set. For example, you connect the first speed dome to channel one, you should make sure that the
baud rate, the protocol, and speed dome’s address is the same as the speed dome you connect to
the channel. Press the PTZ button on the front panel or remote controller, “PTZ” will be displayed
on the screen, then select 1 to 16 to choose PTZ channel, the channel number will be displayed
after “PTZ”, please refer to the picture below: