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OUT/+ key
• Press shortly to toggle between MAX/MIN and current outdoor
temperature/humidity data
• Increase, change, toggle all values in manual set mode
• Press to set the alarm minute (inside alarm setting mode)
• Stop the alarm during alarm ringing
• Stop snooze mode
• Back-light on
SNOOZE/CH key
• Active snooze function during alarm ringing
• Exit the manual set mode and alarm setting mode
• Switch among display of channels (if more than 1 transmitter is used)
• Back-light on