ACU-RITE 1015 User manual

Instruction Manual
SAVE THIS MANUAL FOR FUTURE REFERENCE.
Questions? Contact Customer Support at
[phone] or visit www.AcuRite.com.
CONTENTS
Unpacking Instructions ........... 2
Package Contents .................. 2
Product Registration ............... 2
Features & Benets: 5-in-1....... 3
Features: Display Unit ............ 4
Back of Display Unit............... 6
Setup .................................... 7
5-in-1 Sensor Setup ................ 7
Display Unit Setup ................. 8
Set the Time & Date ............... 9
Measurement Units ...............10
Placement Guidelines ............11
5-in-1Sensor Installation.........12
Using the Weather Center .....13
Weather Ticker .....................14
Programmable Alarms...........16
Troubleshooting ....................18
Care & Maintenance............ 20
Calibration .......................... 20
Specications....................... 22
FCC Information .................. 22
Customer Support ................ 23
Warranty............................. 23
Professional Weather Center
model 01015

2
Congratulations on your new AcuRite product. To ensure the best
possible product performance, please read this manual in its entirety
and retain it for future reference.
Unpacking Instructions
Remove the protective lm that is applied to the LCD screen prior to using this
product. Locate the tab and peel off to remove.
Package Contents
1. Display unit with tabletop stand
2. 5-in-1 sensor
3. Sensor mounting bracket
4. Mounting hardware
5. Snap-in debris lter for rain collector
6. Power adapter
7. Instruction Manual
PRODUCT REGISTRATION
Register online
to receive 1 year
warranty protection
www.AcuRite.com
IMPORTANT PRODUCT MUST BE REGISTERED
TO RECEIVE WARRANTY SERVICE
►
Register a Product

3
Features & Benets
7
2
1
9
8
10
5
6
11
43
5-IN-1 SENSOR
1. Rainfall Collector Funnel
2. Solar Cell Panel
Converts sunlight into power to run
internal aspirating fan.
Internal Aspirating Fan
(not shown)
Draws ambient air into
sensor to reduce solar radiation
heating, resulting in more accurate
temperature measurement.
3. A-B-C Switch
ID code that must match display’s
A-B-C switch to ensure units
synchronize.
4. Battery Compartment
5. Temperature & Humidity Sensors
(internal)
6. Mounting Point
7. Wind Speed Anemometer
8. Wind Direction Vane
9. Mounting Bracket
10. Mounting Hardware
Qty Diameter Length
4 #4 1”
2 #6 ½”
11. Debris Filter
Snaps into rain collector to lter out
twigs, leaves, etc.

4
Features & Benets
Display Unit
37
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22
39
2
1
6
19
21
24
25
26
23
27
28
29
30
31
32
33
34
7
9
10
11
12
3835
12 161514 14 1713 18
5
4
3
36
8

5
1. Peak Wind Speed
Highest speed from past 60 minutes.
2. Average Wind Speed
of all speeds from past 2 minutes.
3. Learning Mode Icon
Press to change the Weather Select
category data being displayed.
4. Weather Select
Heat index, dew point, wind chill,
indoor temperature / humidity,
rainfall rate (rain per hour)
5. Weather Select Button
Press to change the Weather Select
category data being displayed.
6. 12 to 24 Hour Weather Forecast
Self-Calibrating Forecasting pulls
data from the outdoor sensor to
generate your personal forecast.
7. 5-in-1 Sensor Signal Strength
8. Alarm On/Off Indicator
for Selectable Category (#31).
9. Programmable Alarm Settings
10. Indicates Active Weather Ticker
Message
During ticker customization mode.
11. Indicates Deactivated Weather
Ticker Message
During ticker customization mode.
12. ALARM On/Off Button
Activate alarm; press and hold to
adjust alarm values.
13. Deactivate Weather Ticker
Message
14. ▲ / ▼ to Select Category
(shown in #31) & Adjust Settings
15. SET Button
16. Weather Ticker Manual Cycle
Press to advance through messages.
17. All-Time Records Button
Press for all-time low and date
recorded for current category
selected on display (#31). Press
twice for all-time high and date
recorded.
18. Activate Weather Ticker Message
19. Current Outdoor Temperature
Arrow icon indicates direction
temperature is trending.
20. Outdoor Temperature Alarm On
Indicator
21. Current Outdoor Humidity
Arrow icon indicates direction
humidity is trending.
22. Outdoor Humidity Alarm On
Indicator
23. Storm Alert Alarm On Indicator
24. Current Rainfall
Accumulates data during rainfall.
25. Rain Alarm On Indicator
26. Current Barometric Pressure
Arrow icon indicates direction
pressure is trending.
27. All-Time Rainfall
28. Current Month Total Rainfall
29. Date
30. Clock
31. Selectable Category
32. Record Highs
Shown for current category selected
on the display (#31).
33. Record Lows
Shown for current category selected
on the display (#31).
34. Weather Ticker™
35. Current Wind Direction
36. Previous 2 Wind Directions
37. Touch Activated Backlight
Momentary during battery power,
always on/off for power adapter
38. Current Wind Speed
39. Wind Speed Alarm On Indicator

6
Back of Display Unit 12
BACK OF DISPLAY UNIT
1. Integrated Hang Hole
For easy wall mounting
2. Plugin for Power Adapter
3. A-B-C Switch
ID code that must match 5-in-1
sensor’s A-B-C switch to ensure
units synchronize
4. Clear Today
Clears data recorded since
12:00am
5. Clear All
Clears all recorded data without
having to reset time and date
6. Reset
Full reset to factory defaults
7. Battery Compartment
8. Power Adapter
9. Battery Compartment Cover
(not shown)
8
3
4
5
6
7

7
A B C
SETUP
5-IN-1 Sensor Setup
1A-B-C Switch
Set to match
display unit
2Install Batteries
4 AA Batteries
3Rain Gauge Stabilizer
Remove and discard
Set the A-B-C Switch
Locate the A-B-C switch inside the
battery compartment. Set the A-B-C
switch to A, B or C. You must select
the same letter choices for both the
sensor and the display unit in order
for the units to synchronize.
Install or Replace Batteries
Batteries MUST be installed for
this product to operate. AcuRite
recommends high quality alkaline
or lithium batteries for the best
product performance. Heavy duty
or rechargeable batteries are not
recommended.
The 5-in-1 sensor requires lithium
batteries in low temperature
conditions. Cold temperatures can
cause alkaline batteries to function
improperly. Use lithium batteries in
the 5-in-1 sensor for temperatures
below -4ºF / -20ºC.
1. Slide off the battery
compartment cover.
2. Insert 4 x AA batteries into the
battery compartment, as
shown. Follow the polarity
(+/-) diagram in the battery
compartment.
3. Replace the battery cover.
Remove Rain Gauge Stabilizer
Locate and remove the rain gauge
stabilizer (plastic tab) taped into
the bottom of the sensor. The rain
gauge will not function until this is
removed.
2
3
1

8
Display Unit Setup
The display unit operates with batteries and/or power adapter. Regardless
of the power source, it is recommended that batteries always be installed to
ensure continuous operation (and retain records) in case of a power outage.
Set the A-B-C Switch
The A-B-C switch is located inside
the battery compartment. It can
be set to A, B or C. However,
you must select the same letter
choices for both the sensor and
the display unit in order for the
units to synchronize.
Install or Replace Batteries
Insert 6 x AA alkaline batteries
into the battery compartment,
as shown. Follow the polarity
(+/-) diagram in the battery
compartment.
Plug Power Adapter into
Electric Outlet (optional)
PLEASE DISPOSE OF OLD OR DEFECTIVE BATTERIES IN AN ENVIRONMENTALLY SAFE
WAY AND IN ACCORDANCE WITH YOUR LOCAL LAWS AND REGULATIONS.
BATTERY SAFETY: Clean the battery contacts and also those of the device prior to battery installation. Remove batteries from equipment which is not to be
used for an extended period of time. Follow the polarity (+/-) diagram in the battery compartment. Promptly remove dead batteries from the device. Dispose of used
batteries properly. Only batteries of the same or equivalent type as recommended are to be used. DO NOT incinerate used batteries. DO NOT dispose of batteries in fire,
as batteries may explode or leak. DO NOT mix old and new batteries or types of batteries (alkaline/standard). DO NOT use rechargeable batteries. DO NOT recharge
non-rechargeable batteries. DO NOT short-circuit the supply terminals.
2
3
1
2Install Batteries
6 AA Batteries
A B C
1A-B-C Switch
set to match
sensor
Momentary backlight
during battery power.
Backlight can always
remain on (or off)
when power adapter
is plugged in.
LIGHT
3Plug in Power
Adapter
(optional)

9
Set the Time & Date
The clock and calendar are utilized to time stamp history records and other
data, so it is important to set the time and date soon after you power on the
display unit.
Set the Time
1. Press the “ ▲ ” or “ ▼ ” buttons until
“SET CLOCK?” is displayed on the
Selectable Category part of the display unit.
2. Press the “SET” button to set the clock.
3. Press the “ ▲ ” or “ ▼ ” buttons to adjust the
hour. Note the “AM” and “PM” indicators.
4. Press the “SET” button to conrm hour
selection.
5. Press the “ ▲ ” or “ ▼ ” buttons to adjust
minutes.
6. Press the “SET” button to conrm minute
selection.
The clock is now set.
Set the Date
1. Press the “ ▲ ” or “ ▼ ” buttons until
“SET DATE?” is displayed on the Selectable
Category part of the display unit.
2. Press the “SET” button to set the date.
3. Press the “ ▲ ” or “ ▼ ” buttons to adjust the
month.
4. Press the “SET” button to conrm month
selection.
5. Press the “ ▲ ” or “ ▼ ” buttons to adjust the
day.
6. Press the “SET” button to conrm day
selection.
7. Press the “ ▲ ” or “ ▼ ” buttons to adjust the
year.
8. Press the “SET” button to conrm year
selection.
The date is now set.
Note: The “ ” stays in
Selectable Categories,
even after setup.

10
Select Measurement Units
To select between standard units (mph, ºF, etc.) or
metric units (kph, ºC, etc.):
1. Press the“ ▲ ” or “ ▼ ” buttons until “SET UNITS?”
is displayed on the Selectable Category part of the
display unit.
2. Press the “SET” button to set the unit preference.
3. Press the “ ▲ ” or “ ▼ ” buttons to select “STAND”
for standard or “METRIC” for metric units.
4. Press the “SET” button to conrm your selection.
5. Next, you will see “WIND MPH”. Press the “ ▲ ”
or “ ▼ ” buttons to select MPH, KPH, or KNOTS for
wind speed units.
6. Press the “SET” button to conrm your selection.
Units are now set.

11
Placement for Maximum Accuracy
AcuRite sensors are sensitive to surrounding environmental conditions. Proper
placement of both the display unit and the sensor are critical to the accuracy
and performance of this product.
Display Unit Placement
Place the display unit in a dry area free of dirt and dust. To
ensure accurate temperature measurement, place out of direct
sunlight and away from heat sources or vents. Display unit stands
upright for tabletop use or is wall-mountable.
5-in-1 Sensor Placement
The 5-in-1 sensor is designed to remain outdoors all year long.
Choose an open location with no obstructions above or around
the sensor for the most accurate measurements.
Important Placement Guidelines
Display unit and sensor must be within 330 feet (100 m) of each other.
MAXIMIZE WIRELESS RANGE
Place units away from large metallic items, thick walls, metal surfaces, or other
objects that may limit wireless communication.
PREVENT WIRELESS INTERFERENCE
Place both units at least 3 feet (.9 m) away from electronic devices (TV,
computer, microwave, radio, etc.).
LOCATE AWAY FROM HEAT SOURCES
Position sensor away from heaters, air conditioners, chimneys, exhaust vents,
asphalt and concrete (surfaces that radiate heat).
LOCATE AWAY FROM HUMIDITY SOURCES
Avoid installing the sensor near pools, spas, or other bodies of water. Water
sources may impact humidity accuracy.
LOCATE AWAY FROM SPRINKLER HEADS
DO NOT install the sensor where it will be sprayed by a sprinkler system. This
may force water inside the sensor.
LOCATE AWAY FROM WIND & RAIN OBSTRUCTIONS
DO NOT mount the sensor with obstructions around it.
Consider a location that is a wide open area, with few
structures around to ensure accurate wind measurement.
Visit us online to view installation photos and
video, or learn more about AcuRite technology:
www.AcuRite.com/5in1 View Video

12
5-in-1 Sensor Installation Guidelines
INSTALLATION HEIGHT Mount the sensor at least 5 feet (1.5 meters) off the
ground (higher is better for wind measurement) in an open area. Secure to
fence post, 2”x 4” wood, 3/4” pole, etc. (not included)
LEVEL INSTALLATION Use the bubble level on the top of the sensor to ensure
level installation for accurate wind and rain measurement.
SOLAR CELL INSTALLATION Install the sensor with the solar cell facing SOUTH.
This ensures the cell receives as much sun as possible and orients wind
direction.
5-in-1 Sensor Installation
1. Fasten mounting base
(included) to a post or pole
(not included) using the 4
longer screws included in the
hardware bag.
2. Insert the mounting base into
the hole on the bottom of the
sensor.
3. Make sure the arrows on the
top of the sensor are pointed
in the proper direction and
the bubble level is centered.
The solar cell should be facing
south to properly orient the
wind direction.
4. Fasten the sensor into the
mounting base using the 2
shorter screws included in the
hardware bag.
The 5-in-1 sensor is now
ready to use.
Clear Data Collected During Installation
When installation is complete, clear erroneous data from the display unit by
pressing the “CLEAR TODAY” button, on the back of the display inside the
battery compartment. This button will clear data recorded since 12:00 am.
Basic Setup is Complete
The 5-in-1 sensor will now synchronize with the display unit. It may take a few
minutes for synchronization to complete. If both or one of the units appear to
be functioning improperly, please refer to the troubleshooting section.
SOUTH
(1.5 meters)
NO OBSTRUCTIONS
ABOVE OR AROUND

13
OPERATION
Using the Professional Weather Center
Learning Mode
Self-Calibrating Forecasting use a unique algorithm to analyze changes in
pressure over a time period (called Learning Mode) to determine your altitude.
After 14 days, the Learning Mode icon disappears from the display screen. At
this point, the self-calibrated pressure is tuned in to your location and the unit is
ready for superior weather prediction.
Weather Forecast
AcuRite’s patented Self-Calibrating Forecasting provides your personal forecast
of weather conditions for the next 12 to 24 hours by collecting data from
the sensor in your backyard. It generates a forecast with pinpoint accuracy -
personalized for your exact location.
View the complete list of icons at www.AcuRite.com/acurite-icons
Weather Select
Features weather data groups
shown at right. To change
“Weather Select” category,
press the selection arrow button
just to the left of the weather
select display area.
Rainfall Event
The rainfall feature tracks rain accumulation over all-time, the current month,
and current rainfall event. Current event clears when no rain registers for 8
hours OR no rain registers for 1 hour and pressure rises by .03inhg or more.
Barometric Pressure
Subtle variations in barometric pressure greatly affect the weather. This
weather center displays the current pressure with an arrow icon to indicate the
direction the pressure is trending (FALLING, STEADY, or RISING).
MOSTLY
CLOUDY
SNOW
LIKELY
RAIN/SNOW
MIX LIKELY
CLOUDY
PARTLY
CLOUDY
RAIN
LIKELY
(flashing=stormy) (flashing=stormy)
Heat Index
Dew Point
Wind Chill
Indoor Conditions
Rainfall Rate (in./hour)

14
Additional Messages Include:
NEW HIGH TEMPERATURE RECORD
NEW LOW TEMPERATURE RECORD
NEW WIND SPEED RECORD TODAY
CURRENT RAINFALL RATE
CURRENT RAIN EVENT STARTED
NO RAIN RECORDED SINCE ____
WEATHER ALARM MESSAGES
SENSOR BATTERIES LOW
SENSOR SIGNAL LOST
Adjust the Weather Ticker Speed
1. Press the “ ▲ ” or “ ▼ ” buttons until “TICKER SPEED” is displayed on the
Selectable Category part of the display unit.
2. Press the “SET” button to set the speed preference.
3. Press the “ ▲ ” or “ ▼ ” buttons to select a speed: SLOW, NORMAL, or FAST.
4. Press the “SET” button to conrm your selection.
Weather Ticker speed is now set.
Weather Ticker™
The Weather Ticker automatically streams your real-time weather information
and alerts as scrolling text in the lower part of the display unit screen.
You can manually cycle through all the available messages by pressing “SET”.
Default WEATHER TICKER messages are pre-loaded as follows:
FORECAST 12 to 24 hour future weather forecast
MOON PHASE Current moon phase
INDOOR COMFORT Dry, OK or humid comfort level
IT FEELS LIKE __ OUTSIDE Calculates what temperature it feels like outdoors
(based on temperature, humidity and wind speed)
OUTDOOR TEMP THIS
WEEK HIGH Highest temperature recorded this calendar week
OUTDOOR TEMP THIS
WEEK LOW Lowest temperature recorded this calendar week
OUTDOOR TEMP THIS
MONTH HIGH Highest temperature recorded this calendar month
OUTDOOR TEMP THIS
MONTH LOW Lowest temperature recorded this calendar month

15
Customize Weather Ticker Messages
Customize which messages you want to scroll across the WEATHER TICKER:
1. Press the “ ” button to manually cycle through each message available.
2. During the MANUAL REVIEW: PRESS the “ ” button to activate the
current scrolling message. The corresponding “ ” appears on screen
to the left of the message to indicate the message is now active in the ticker
cycle. PRESS the “ ” button to deactivate the current scrolling message.
The corresponding “ ” appears on screen to the left of the message to
indicate the message is now deactivated from the ticker cycle.
Please note: Messages can only be added and removed to the ticker cycle
during manual review. The “ ” and “ ” buttons do not add or remove
messages during the automatic cycle.
Remove
message
from cycle
Message
activated
Message
deactivated
Manual cycle
through
messages
Add
message
to cycle

16
Programmable Weather Alarms
Each Selectable Weather Category features an alarm option. When an alarm
sounds, the display unit emits audible beeping and ashes the affected category,
its alarm settings, and any other relevant data.
Some alarms can be customized to alert you when your programmed value is
reached. Alarms include:
OUTDOOR HUMIDITY LOW HIGH
OUTDOOR TEMP LOW HIGH
STORM ALARM HIGH
INDOOR HUMIDITY LOW HIGH
INDOOR TEMP LOW HIGH
WIND CHILL LOW
DEW POINT LOW HIGH
HEAT INDEX HIGH
RAIN HIGH
WIND SPEED HIGH
The rain alarm does not require a preset numerical value, but instead sounds
as soon as rain is recorded. Similarly, the storm alarm sounds when a large
atmospheric pressure drop occurs, which usually indicates an oncoming storm.
Note: The storm alarm is NOT intended to be a safety device or warning system.
Set a Weather Alarm
1. Choose the weather category for which you wish to set an alarm by
pressing the “ ▲ ” or “ ▼ ” buttons until the category is displayed on the
Selectable Category part of the display unit.
2. To program a value (only applies to alarms that require a value), press
AND HOLD the “ ” button underneath the alarm you wish to set until the
“ ” indicator appears and the alarm setting ashes.
3. Adjust the alarm value by pressing the “ ▲ ” or “ ▼ ” buttons.
4. Press the “ ” button to conrm a value.
5. Next, press the “ ” button to activate the alarm (the Xindicator
disappears when alarm is activated).
Alarm is now programmed and turned on.

17
= Alarm On
= Alarm Off
= Adjust Mode
= Low Value
= High Value
Press to activate or
deactivate an alarm.
Press and hold to set
or adjust an alarm
value.
ICON DEFINITIONS
BUTTON FUNCTIONS
Silence a Sounding Alarm
The alarm sounds initially for a few minutes, then silences itself. The alarm then
sounds every few minutes afterwards until one of the following happens:
1. “SNOOZE” - Press any button. Alarm silences, but sounds again if the alarm
condition reoccurs.
2. Turn alarm “OFF” - Deactivates alarm.

18
Problem Possible Solution
No outdoor sensor
reception
no bars
• Relocate the display unit and/or the 5-in-1 sensor.
The units must be within 330 ft (100 m) of each other.
• Make sure both units are placed at least 3 feet
(.9 m) away from electronics that may interfere with
the wireless communication (such as TVs, microwaves,
computers, etc).
• Use standard alkaline batteries (or lithium batteries in
sensor when temperature is below -4ºF/-20ºC). Do not
use heavy duty or rechargeable batteries. NOTE: It
may take up to 20 minutes for display unit and sensor
to synchronize after batteries are replaced.
• Synchronize the units:
1. Bring both the sensor and display unit indoors and
remove batteries from each.
2. Reinstall batteries in outdoor sensor.
3. Reinstall batteries in display unit.
4. Let the units sit within a couple feet of each other
for about 20 minutes to gain a strong connection.
Outdoor
temperature
is ashing or
showing dashes
Flashing of the outdoor temperature may be an
indication of wireless interference.
• Make sure the A-B-C switch in the battery
compartments of both the display unit and sensor are
switched to the same letter. You may choose A, B or
C; but both units must match to sync up. Sometimes
changing to a different channel can help.
Weather Ticker
Hard to Read • Slow down the speed of the ticker (see page 14).
Inaccurate forecast
• Weather Forecast icon predicts conditions for the next
12 to 24 hours, not current conditions.
• Has Learning Mode icon disappeared from the
display unit? Learning Mode must complete before
forecast and pressure will be accurate.
• Allow unit to run continuously for 33 days. Battery
removal or resetting the display unit will restart
Learning Mode. After 14 days, forecast should be
fairly accurate, however Learning Mode calibrates for
a total of 33 days.
Troubleshooting

19
If your AcuRite product does not operate properly after trying
the troubleshooting steps, visit www.AcuRite.com or call
[phone] for assistance.
Problem Possible Solution
Inaccurate
temperature or
humidity
• Make sure both the display unit and 5-in-1 sensor
are placed away from any heat sources or vents (see
page 11).
• Make sure both units are positioned away from
moisture sources (see page 11).
• Make sure 5-in-1 sensor is mounted at least 5 ft off of
the ground.
• Calibrate indoor and outdoor temperature and
humidity (see page 20).
No rainfall
• Check to ensure the rain gauge stabilizer (plastic tab)
has been removed from the bottom of the sensor (see
page 7).
• Clear debris, such as leaves, out of the rain collector
funnel and debris screen.
• Calibrate the Rain Gauge (see page 21).
Inaccurate wind
readings
• What is wind reading being compared to? Pro
weather stations are typically mounted at 30 ft high
or more. Make sure to compare data using a sensor
positioned at the same mounting height.
• Check location of the sensor. Ensure it’s mounted a
minimum of 5 ft in the air with no obstructions around
it (within several feet).
• Ensure wind cups are spinning freely. If they hesitate
or stop try lubricating with graphite powder or spray
lubricant.
Display screen
not working
• Check that the batteries are installed correctly.
Batteries may need to be replaced.
• Reset the display by pressing the reset button, located
on the back of the display unit. Date and time will
need to be entered after a reset.
Troubleshooting

20
Care & Maintenance
Display Unit Care
Clean with a soft, damp cloth. Do not use caustic cleaners or abrasives. Keep away
from dust, dirt and moisture. Clean ventilation ports regularly with a gentle puff of air.
5-in-1 Sensor Care
Clean the Sensor
Clean with a soft damp cloth. Do not use caustic cleaners or abrasives that will mar the
polished surfaces of the rain collection funnel or the solar cell. Scratches will result in
decreased performance and reliability.
Insect Prevention
Insects may cause obstructions and interrupt data by nesting in or on the 5-in-1 sensor.
To limit this problem, spray sensor with a household insect repellent. Consult the insect
repellent instructions prior to use.
Snow & Freezing Weather
The 5-in-1 sensor will not be damaged by freezing conditions. NOTE: If the rain collec-
tor cup lls with snow and then melts, it will register as rain on the display unit.
Clean the Rain Collector Cup
Remove and empty rain collector debris lter. The debris lter is located in the rain col-
lector funnel. Remove from the top by gently squeezing and pulling out.
Clean the Wind Vane & Anemometer
Remove foreign matter from the outside of the sensor for free movement of the wind
vane and anemometer. If needed, use a small amount of spray lubricant, clear silicone
or graphite powder on the anemometer for improved movement.
Calibration
Calibrate Temperature & Humidity
The indoor / outdoor temperature and humidity readings can be calibrated on the
display unit to improve accuracy. Calibration improves accuracy when 5-in-1 sensor
placement or environmental factors impact your data accuracy.
1. Choose the weather category you wish to calibrate by pressing the “
▲ ” or “ ▼ ”
buttons until the category is displayed on the Selectable Category part of the
display unit.
2. Press AND HOLD the “
▲ ” or “ ▼ ” buttons and the “SET” button all at the same
time for 15-20 seconds.
• The display unit beeps, and all display data is hidden except for the value being
calibrated.
• “ ” (calibrate) and arrows appear next to the value being calibrated.