The RXCamView app is designed to work with NVR, DVR, IPC and other surveillance camera.
With the video preview feature of this app, you can remotely view real-time surveillance video anytime, anywhere;
With the video playback feature, you can conveniently view what happened in the past period. Work with a surveillance camera which supports AI, you can even search video records from a large number of videos by a face photo;
Of course, with the alarm message service, you can receive the alarm information of the places you care about in the first place, so as to take timely measures to reduce your losses;
With the voice intercom feature, you can also communicate with the people where the camera is located
Key features:
1. Watch HD video in real time
2. Historical video viewing
3. Event message reminder
4. Call through two-way audio
5. Get instant alerts when motion, human form, sound are detected
6. Customize detection area and sensitivity
7. Set recording schedule and alarm notification schedule
RXCamView XVR User Manual
Reset password for DVR system
Firstly, please provide mac address to me (See below pictures) ,and I will use it to create a super password to you .
Secondly ,please enter your system >Multi-user,and click User Edit on the right (generally only the first line No.1 is enabled), then you can modify the user name and set a new password .
RXCamView XVR User Manual
Read More : GW Security XVR NVR Firmware Software Download
How to connect the device to the mobile app
1. Please connect DVR system to the Internet:
a) Please connect the system to a router via LAN cable first
b) Please DO NOT tick “Enable” of the IP FILTER in the Network page, see below pic
3)Please check the system if it is connected to the Internet successfully. If yes, you can add the device to the mobile app.
2.Open the app, if it is the first time use, directly click the “+” icon in the upper right corner of the”Device Manager” interface; if it is not the first time, click the icon 
in the upper left corner,then select “Device List” to enter the “Device Manager” Interface, and then click the “+” icon in the upper right corner.
3.Scan the P2P ID QR code on the DVR / NVR to add the device. (Alternatively, it can be added through “Online Search” and “Manual Add”, the method is omitted).
4.This step is more important:
a) The “Media Port” must be the same as the “Client” port on the DVR / NVR (If the user’s DVR /NVR has not been modified, the default value is 9000. If the user has modified the “Client” port on the DVR / NVR, (The “Media Port” on the APP needs to be modified synchronously).
b) “User Name” fill in the user name set during the first use. If you are not sure, you can click”Setup”-“System”-“Multi-User” to view.
c) “Password” fill in the password set during the first use, which is the login password of the user DVR / NVR.
5.After the setting is completed, click “Save”, then the APP will display the added device, and”Connection Status” prompts “Connected” to indicate that the DVR / NVR is connected. Click the icon 
to play the video. Click on the icon 
to select 1/4/8/16 picture viewing.
How to upgrade your NVR or DVR
NVR Upgrade
1. Copy the firmware file(.sw file)to your USB drive, and insert the USB flash drive into the NVR’s USB port.
2. Click Select File button to choose the firmware file in your USB flash drive, then Click OK.(Setup-System-Maintenance-Upgrade)
3. Click Upgrade button to start system upgrade. The system upgrade will last around 5-10 minutes, please do NOT power off the NVR or remove the USB from NVR during firmware upgrade.
Add IP camera (1319 1329 8204 8208) to DVR (D3505)
ADD IPCAMERA
Before you start:
1.The DVR supports to disable analog channels to increase IP channels. If you want to disable an analog channel, uncheck the box and click Apply to save. To disable an analog channel can increase an IP channel input. To do so, you need to enable the XVR mode in advance at System→General→Mode.
2.Ensure the network connection is valid and correct, and Make sure your IP Camera and DVR are on the same network during setup.
Steps:
1.If you enable the XVR mode for the DVR, it supports to add IP cameras & modify IP channels.
2.Click Search to search IP cameras from local network, click Add to add individual IP camera, click Add All to add all IP cameras.
3.Click Search button to search IP cameras, and then click one of the IP camera in the
device list.
IP Address/Domain: IP address or domain name of the IP camera
Alias: Name of the IP camera
Position: Position to display the camera name on the screen.
Port: Port of the IP camera
Protocol: Choose the protocol of the IP camera from the dropdown menu
User Name: User Name of the IP camera
Password: Password of the IP camera
Bind channel: Choose a channel of the DVR you want to attach to
Auto Assign IP to Camera(s): The added IP camera would be not able to connect if its IP address is not in the same network segment with DVR. With this function to reassign an IP address to all added IP cameras.
Channel Delete: Choose one or more added IP cameras, and click this button to Detele.
How to add IPC to DVR via Onvif
How to add IPC to DVR via Onvif
1.Power on the DVR, connect the IPC, and enter the password to log in to the following interface:
2.Please click Channel to enter the following interface:
3.Click Search to search for IP, then check the IP to be added, and click Add:
4. The following interface appears, change the Port port to 80, select Onvif for the procotol protocol, and confirm that the user name and password are correct:
5. Close the page to see that the IPC is online:
How to add device to surveillance client
How to add device to surveillance client Click here to download