2-3
CHAPTER 2 Checks and Preparation
2.3 GL220 Nomenclature and Functions
This section describes the names and function of parts of the GL220.
Monitor
Control panel keys
Analog input terminal
AC adapter jack
GND terminal
Label
Label
Battery cover
One battery pack can be installed
(Battery pack is the option B517)
Stands
Before using the stands, read the precautions provided in
Section 1.3 "Operating Environment".
USB device terminal
Power output connector for humidity sensor
(Humidity sensor is the option B-530)
Power switch
(Right side)
USB I/F terminal
(left side)
Operation status LED
POWER : ON when the power is ON
START : ON during data capture
CHARGE : ON while the battery is charging
External input/output terminals
• LOGIC/PULSE
• EXT TRIG/SAMPLE
• ALARM
Logic alarm cable(When using the B-513 option)