Functions
1. Buzzer : It sounds when NRF5 starts its operation, alarm and monitoring
sound is generated.
2. Flash LED : Red LED on top of LCD flashes during alarm generation.
3. Auxiliary LED : Green LED flashes along to monitoring sound. Red LED flashes
along to alarm. Yellow LED flashes along to preliminary warning
alarm.
4. LCD : Liquid Crystal Display Indicator.
5. Battery Cap : Cap of battery compartment.
6. Operating Buttons : Switch indication screen. Also, some operation parameters such as
alarm threshold can be changed by these buttons.
“◎” Button … Power ON/OFF, Screen switching
“△” / “▽” Button … Accumulated dose / Dose rate switching,
Scrolling
7. Calibration Mark : Shows location of calibration reference point. (Sensor position)
8. USB Connector : For power supply or communication by connecting USB cable.
9. Infrared Window : For communication with infrared communication device.
10. Call Button : Emergency alarm button. Press for more than 3 seconds to
generate warning sound and indication. If user does not use this
emergency alarm, the function can be made void by the Dosimeter
Configuration Tool.
11. Clip : To fix the NRF51 on the chest pocket or on the waist belt.
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