Ceyear 4051 Series, User Manual

Page: 38 / 751

3 Introduction to Use
3.1 Preparations before Operation
24
Fig. 3.11 Configure IP address, subnet mask and default gateway
c) Change system firewall settings
The firewall is used to prevent unauthorized users to remotely operate the instrument. Therefore, it is the
manufacturer‘s recommendation to turn on the firewall for protection. Firewall protection has been enabled
for the system and all interfaces for remote operations when the Series Signal Analyzer is delivered from the
factory. The administrator is the only person authorized to change firewall settings.
4) Configure BIOS
Targeted setup has been made for the Series Signal Analyzer in BIOS.
Caution
Such BIOS setting cannot be changed.
Targeted setup has been made for the Series Signal Analyzer in BIOS. Users should not change such setting;
otherwise the instrument may not start or operate properly.
5) Connect monitor
External monitor (or projector) can be connected to ―Display Interface‖ connector at the rear panel of the
instrument according to the following steps:
Step 1. Connect the external monitor to the connector at the rear panel of the instrument.
Step 2. Usually double screen will be displayed automatically. If other options are required, the video card at
the lower right corner of the system can be used for setting.
Step 3. Select the instrument to be displayed:

―Display 1‖: only internal monitor;
 ―Display 2‖: only external monitor;

―Double display‖: internal and external monitors.
Step 4. When necessary, the screen resolution to be used can be changed.