10
F3 Silent Mode
Silent mode will keep the unit from beeping.
To turn silent mode on or off:
1. With the instrument on, press the SET button three times (until the display
reads F3).
2. Press the down “▼” button or up "▲" button to toggle between on or off.
3. Once the desired mode is selected, press the SET button to save.
Factory Reset: Adjustable settings can be cleared by performing a factory reset. With
the unit on, press and hold the MODE button until RES appears in the display. This will
also clear any saved readings from memory.
8. TROUBLESHOOTING / ERROR MESSAGES
Display Situation Solution
Temperature taken is not within typical
human temperature range.
(93.2°F ~ 109.4°F or 34.0°C ~ 43.0°C)
Operating temperature exceeds the range
of specified temperature.
The screen flickered, and automatically
turned off.
Take measurement again.
Move to a room within operat-
ing range, wait 30 minutes
before taking temperature.
Replace battery or the
product has been damaged,
needs repair.
Low battery indication.
Replace with new battery.
Measured over the distance 2-5.9 in
(5-15 cm).
Hair, antipyretic stickers, perspiration, or
dirt can interfere with measurement.
Move closer to patient.
Clean measurement area.
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