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When starting to use
6.1
(1) Press and hold "◎" button for more than 3 seconds to start the NRF51.
Confirm the power is ON (Backlight, Vibrator and LED check, one time short beep sound) and LCD
displays an initial screen.
Check items
Audible signal (1 beep)
Indicated dose value
LCD
Operational Instruction
6.
Normal condition
Short beep sound is generated when dosimeter is turned on.
0 uSv or 0 uSv/h (Accumulated dose may not be 0 uSv if the power-on-reset
setting of NRF51 is "OFF".)
〔Normal display〕
When accumulated dose is 0 uSv
In case NRF51 is left without battery for more
than 12 hours
DATE SETUP & TIME SETUP
Confirmation method
〔Example of abnormal display〕
When generating alarm for low battery
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