4−3
CHAPTER 4 Specifications
Internal memory devices
Item Description
Memory capacity Internal memory : Approx. 2GB Flash Memory
USB memory : Unlimited (However, one file must be 2GB at the maximum)
Memory contents • Setup conditions
• Measured data
• Screen copy
PC Interface
Item Description
Interface types Ethernet (10BASE-T/100BASE-TX)
USB (HighSpeed)
Software functions Data transfer to the PC (realtime, memory)
PC control of the GL820
Ethernet functions
(10BASE-T/100BASE-TX)
Web server function : Displays GL820's screen image on Web browser, op-
eration of GL820
FTP server function : Transfers and deletes files from internal memory and
USB memoryFTP
FTP client function : Backs up data in internal memory and USB memory
NTP client function : Corrects the time of the GL820 clock
DHCP client function : Automatically retrieves the IP address
USB functions USB drive mode: Transfers and deletes files from internal memory
Realtime data transfer speed*1 10 msec/1 ch maximum
*1: Depends on the number of transferring channels.
Monitor
Item Description
Display 5.7-inch TFT color LCD (VGA: 640 x 480 dots)
Displayed languages Japanese, English, French, German, Chinese, and Korean
Backlight life 50,000 hrs (when brightness is down to 50%), depends on operation environ-
ment
Backlight Screen saver function provided (10, 30 s, 1, 2, 5, 10, 30, 60 min.)