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WMA450 User Manual
24
charging starts or until the unit is completely discharged.
• Out of range or connection lost: The backlighting switches on until
the connection is re-established.
• Temperature ≥ 25°C or ≤ 15°C: The
icon on the screen starts
to flash and the backlighting lights for 4 seconds. It then switches
off for 16 seconds and then on again. This function is repeated (4
seconds on and 16 seconds off ) until the temperature is neither ≥
25°C nor ≤ 15°C.
• Triggering of the
alarm: The backlighting switches on until the
user switches the alarm off.
• Search: The backlighting lights until the parent unit ceases to be in
the “search” condition.
• Battery charging: The backlighting lights for 20 seconds when the
DC jack is inserted.
Parent Unit
