2. Key Function:
2.1 MODE KEY
• In normal mode, Press "MODE" key to switch the current time → AL1 → AL2 (cycledisplay).
• In current time mode, press and hold "MODE" key for 3 seconds to enter setting, the setting
in sequence: time zone → hour → minute → year → month → day → week day language →
exit.
• In AL1 mode, press and hold "MODE" key for 3 seconds to enter alarm 1 setting in
sequence: AL1 hour → AL1 minute → exit
• In AL2 mode, press and hold "MODE" key for 3 seconds to enter alarm 2 setting in
sequence: AL2 hour → AL2 minute → exit
2.2 ALARM KEY
• In time mode, press "ALARM" to turn on/off the alarm in sequence:
AL1 ON → AL2 ON → AL1 and AL2 On → AL1 and AL2 Off.
2.3 ALERTS KEY
• In time mode, press "ALERTS" key to check temperature alert for both highest and lowest
indoor and outdoor temperature, checking in sequence: highest outdoor temperature →
lowest outdoor temperature → highest indoor temperature → lowest indoor
temperature(cycle display).
• In time mode, press and hold "ALERTS" key for some seconds to enter temperature alert
setting for both highest and lowest indoor and outdoor temperature, the setting in
sequence: outdoor highest temperature → outdoor lowest temperature → indoor highest
temperature → indoor lowest temperature → Exit.
2.4 UP KEY
• In time mode, press "UP" key to switch C / F display.
• In time, calendar, temperature alert, snooze mode, press "UP" key to go forward one step,
press and hold "UP" key for some seconds to increase 8 steps per second.
• In temperature alert mode, press "UP" key to turn alert on/off.
2.5 DOWN KEY
• In time mode, press "DOWN" key to switch 12/24H display.
• In time, calendar, temperature alert, snooze mode, press "DOWN" key to go back one step,
press and hold "DOWN" key for some seconds to go back 8 steps per second.
• In temperature alert mode, press "DOWN" Key to turn alert on/off.
2.6 CHANNEL KEY
• In normal mode, press "CHANNEL" key to switch CH1,CH2, CH3 or cycle channel display,
press and hold "CHANNEL" key for some seconds to enter register status for outdoor
temperature.
• Check carefully your transmitter setting when it comes any problem, or refer this section
for setting outdoor transmitter
2.7 SNOOZE/LIGHT KEY
1.In normal mode, press "SNOOZE/LIGHT" key to adjust backlight.
Adjust in sequence when powered by adapter: highlight → mid-light → turn off → high
light (cycle setting).
Adjust in sequence when powered by batteries: Highlight → mid-light → high light (cycle
setting).
2.In alarm mode, press "SNOOZE/LIGHT" key for some seconds to enter snooze interval
setting, default interval 5 minutes, optional setting from 3 minutes to 20 minutes.
3.When alarm is up, press "SNOOZE/LIGHT" key to turn on snooze.
3. Operation Instruction
Insert battery (AAA) or connect adapter after some seconds, LCD shows full segment,
after sound BI, it enter
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