ENGLISH
07 17
Firmware v2
Table of Content
1. Introduction ............................................................................................................................................................. 3
1.1 Identification ................................................................................................................................................................... 4
1.2 Liability ............................................................................................................................................................................. 4
1.3 Warranty conditions ........................................................................................................................................................ 4
1.4 Support ............................................................................................................................................................................ 4
1.5 Intended use .................................................................................................................................................................... 5
1.6 Target group and previous knowledge ............................................................................................................................ 5
1.7 Operating limits ............................................................................................................................................................... 5
1.8 Essentials ......................................................................................................................................................................... 5
1.9 Technical data .................................................................................................................................................................. 6
2. Safety ....................................................................................................................................................................... 6
2.1 Signal words used in the safety instructions ................................................................................................................... 6
2.2 General safety rules and obligations ............................................................................................................................... 7
2.3 Residual risks | Warnings ................................................................................................................................................ 7
3. Packaging ................................................................................................................................................................. 8
3.1 Unpacking ........................................................................................................................................................................ 8
3.2 Scope of delivery ............................................................................................................................................................. 8
4. General description .................................................................................................................................................. 9
4.1 Sensor Information .......................................................................................................................................................... 9
4.2 Structure .......................................................................................................................................................................... 9
4.3 Quick start in 3 steps ..................................................................................................................................................... 10
4.4 Switching on | Self-Check .............................................................................................................................................. 10
4.5 Group check ................................................................................................................................................................... 11
4.6 Send mode ..................................................................................................................................................................... 13
4.6.1 Send-Vibra ..................................................................................................................................................................... 13
4.6.2 The Intelligent Transmitter – maximum support in send mode ..................................................................................... 14
4.7 Switching Send Search .............................................................................................................................................. 14
4.7.1 SEARCH-LOCK ................................................................................................................................................................. 14
4.8 Switching Search Send .............................................................................................................................................. 15
4.8.1 Secondary avalanche | Auto-Revert Search-to-Send (AR) ............................................................................................. 15
4.9 Search mode | Search strategy ..................................................................................................................................... 16
4.9.1 In case of emergency ..................................................................................................................................................... 16
4.9.2 Signal search .................................................................................................................................................................. 17
4.9.3 Coarse search ................................................................................................................................................................. 17
4.9.4 Fine search ..................................................................................................................................................................... 18
4.9.5 Pinpointing ..................................................................................................................................................................... 19
4.9.6 Multiple burials | MARK function .................................................................................................................................. 19
5. Device management with the PIEPS APP ................................................................................................................ 20
6. Troubleshooting, maintenance, storage, disposal .................................................................................................. 21
6.1 Troubleshooting............................................................................................................................................................. 21
6.2 Replacing the battery .................................................................................................................................................... 22
6.3 Cleaning ......................................................................................................................................................................... 22
6.4 Storage ........................................................................................................................................................................... 23
6.5 Disposal .......................................................................................................................................................................... 23
7. Approval & conformity ........................................................................................................................................... 23
1. INTRODUCTION
Dear winter sports enthusiast!
Congratulations on having purchased one of our products.
The PIEPS MICRO is the smallest and lightest device with 3 antennas! The sensor technology for simple operation
and cable-free device management via Bluetooth® make the PIEPS MICRO an avalanche beacon of the latest
generation. Vibration during initial detection enables the best possible focus on the visual surface search.
Naturally, the PIEPS MICRO also has all tried and tested PIEPS features:
Circular detection range for fast, stable initial detection
Perfect signal processing, even in difficult situations (multiple burials)
MARK function
Continuous carrier indication
Comprehensive self-check and simple group check
Smart Transmitter: Auto-Antenna-Switch in case of external interference, iPROBE-Support
Auto-Search-to-Send for secondary-avalanche burial
An avalanche beacon does not protect against avalanches! Detailed knowledge of avalanche prevention is as
indispensable as regularly practicing searching for victims in an emergency. The following procedures and tips
relate only to special usage in conjunction with the PIEPS MICRO. The basic line of action in an emergency – as
explained in specialist publications and material from avalanche courses – must be followed.
With the PIEPS MICRO (hereinafter referred to as the MICRO), you have a product that is state of the art in terms
of safety and user-friendliness. Despite this, the MICRO can pose risks if used inappropriately or incorrectly. We
refer to possible hazards in chapter 2 and with safety notes placed throughout the operating manual.
This operating manual is intended to ensure the safe use of the MICRO. The safety instructions in this document
must be followed at all times.
Before you use the MICRO, you must have read and understand this operating manual.
Pieps GmbH is not liable for technical or printing errors in this operating manual, neither is any liability accepted
for damage caused directly or indirectly by the delivery, performance or use of this operating manual.
Copyright ©
This translation of the original manual is protected by copyright. All rights, especially the rights of reproduction,
distribution and translation, are reserved. No part of this document may be reproduced or stored, processed,
duplicated or distributed using electronic systems in any form (photocopy, microfilm or other method) without
the written consent of Pieps GmbH. Violations may incur criminal penalties.
Pieps GmbH, July 2017
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1.1 IDENTIFICATION
Identification on the device
Identification on the packaging
Alterations or modifications not explicitly approved by the manufacturer will result in you
no longer being allowed to use the device.
The MICRO is identified on the device and on the packaging in accordance with applicable regulations.
CE identification according to:
RED RL 2014/53/EU
EMV 2014/30/EU
RoHS 2011/65/EU
1.2 LIABILITY
The information contained in this operating manual describes but does not guarantee the features of the product.
No liability is accepted for damage caused by:
Improper use
Failure to follow the operating manual
Unauthorized modifications of the MICRO
Improper work on and with the MICRO
Continuing to use the MICRO despite evidence of wear and tear
Unauthorized, improperly carried out repairs
Emergencies, external influences or force majeure
1.3 WARRANTY CONDITIONS
The manufacturer provides a 2-year warranty covering manufacturing and material defects of the MICRO from
the date of purchase. Exceptions are the battery, carrying system, hand-loop and bag as well as any damage
caused by improper use or dismantling of the device by unauthorized persons. Any other warranties and liability
for consequential damage are expressly excluded. For warranty claims, please take proof of purchase and a
description of the fault to the point of sale.
1.4 SUPPORT
For technical problems, please contact Support: support@pieps.com
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1.5 INTENDED USE
The MICRO serves as an avalanche victim search device (avalanche beacon) for the localization of buried persons
and must only be used as intended. Any other use requires the written consent of Pieps GmbH. Improper use can
put individuals at risk and result in the device being damaged. The MICRO is not an automatically functioning
device with partly automated functionalities – for this reason, the MICRO may only be commissioned after having
read and understood the documentation. Failure to use the device as intended will result in all liability and
warranty claims being rejected. The MICRO is to be operated only under the conditions of use described in the
documentation.
1.6 TARGET GROUP AND PREVIOUS KNOWLEDGE
An avalanche beacon should be part of the avalanche emergency equipment of everyone who ventures off
secured pists into open, unsecured terrain (e.g. ski tourers, freeriders, mountain rescuers, etc.).
Users of the MICRO must meet the following conditions:
Read and understand this operating manual.
Users with impaired vision must ensure that they can read the labelling and displays on the device as well
as the instructions in the documentation without problem.
If users with impaired hearing are unable to hear the acoustic signal, they must ensure that they can
correctly interpret the display indications in accordance with the instructions in the operating manual.
Regular training ensures safe and efficient use of the MICRO.
1.7 OPERATING LIMITS
The operating limits of the MICRO are defined as follows:
Ambient temperature: Guaranteed for use between min. -20°C (-4°F) and max. +45°C (+113°F).
1.8 ESSENTIALS
The MICRO meets the current state of technology and the applicable health and safety regulations. However,
incorrect operation or misuse can give rise to hazards for:
the life and health of the users or third parties
The MICRO and property of the operator
The efficient use of the MICRO
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Name
PIEPS MICRO
Transmission frequency
457 kHz (EN300718)
Power supply
1x Alkaline, AA, LR6, 1.5 V or 1x Lithium, AA,
FR6 (FR14505), 1.5V
Battery lifetime
min. 200 h in send-mode
Maximum range
50 m
Search strip width
50 m
Dimensions (LxWxH)
106 x 74 x 20 mm
Weight
150 g (incl. battery)
Temperature range
-20°C to +45°C (-4°F to +113°F)
Imminent threat to the life of individuals
A safety instruction with the signal word DANGER indicates an imminent threat to the
life and health of individuals!
Risk of personal injury (serious injuries) and possible material damage
A safety instruction with the signal word WARNING indicates a dangerous situation
which could affect the health of individuals.
Risk of material damage and possible minor risk of injury
A safety instruction with the signal word CAUTION indicates a possibly dangerous
situation which could primarily result in material damage.
This symbol with the text NOTICE indicates supporting information for installation,
operation or maintenance and repair.
1.9 TECHNICAL DATA
2. SAFETY
This operating manual is structured in accordance with the applicable EU regulations and contains safety
instructions. Each individual is personally responsible for complying with the safety instructions. This chapter
contains all safety-related information.
Should anything be unclear or difficult to understand, please contact our support team.
2.1 SIGNAL WORDS USED IN THE SAFETY INSTRUCTIONS
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2.2 GENERAL SAFETY RULES AND OBLIGATIONS
Risk of getting caught in the device’s carrier
Always fasten the device in the provided carrier on descents. Ensure that the carrier lies
close to the body. When performing a search, the MICRO must be held by hand.
Risk of crushing when closing the battery compartment and when turning
the device on/off
Be aware of any risk of crushing when closing the battery compartment and when
turning the device on/off.
Risk of hearing damage due to the high noise level
Never hold the device directly next to your ear. A minimum distance of 50 cm is
recommended.
Risk of explosion from incorrectly used batteries
Use batteries of type “Alkaline, AA, LR6, 1,5V or Lithium, AA, FR6 (FR14505), 1.5V“!
Risk that the displayed battery level is incorrect
Use batteries of type “Alkaline, AA, LR6, 1,5V5V or Lithium, AA, FR6
(FR14505), 1.5V“!
Risk of extreme temperatures
Do not expose the device to extreme temperatures. Store the device so that it is
protected from direct sunlight. Extreme temperatures can impede operation or damage
the battery.
The following safety rules and obligations apply in general for using the MICRO:
The MICRO may only be used in a perfect condition.
It is forbidden to alter or change the MICRO without the written permission of Pieps GmbH.
Do not attempt to rectify faults or damage without authorization. Instead, you must contact support, who
will tell you how to proceed. The MICRO must not be used until the damage has been rectified.
The safety and operating instructions in the operating manual must be followed at all times.
2.3 RESIDUAL RISKS | WARNINGS
Even though the MICRO has been designed with maximum care and all safety-related facts have been taken into
consideration, residual risks may exist and must be evaluated by means of a risk assessment. All residual risks and
warnings from the risk assessment are listed in this chapter.
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It is recommended to secure the device to the belt system with a fixing strap or to the
wrist with a hand loop during use. This is intended to prevent the device from becoming
lost.
The user must read the operating manual.
Dispose of the packaging and transport safeguards in an environmentally friendly
manner (paper to paper, plastic to plastic, etc.).
1x PIEPS MICRO
1x Battery (in battery compartment)
1x PIEPS MICRO Carrying system
1x PIEPS Hand loop
1x PIEPS MICRO Bag
1x Quick manual
1x Registration card
1x PIEPS Sticker
Check that the contents are complete and undamaged after unpacking. If necessary,
contact your point of sale or our support team.
3. PACKAGING
Ensure that the device is transported only in the packaging provided. The device can be damaged if transported in
insufficient or defective packaging. Furthermore, the device must not be exposed to moisture or heat at any time
during transport.
If stored for an extended period, the device should be stored in its original packaging in a dry place. This is to
avoid corrosion and soiling.
3.1 UNPACKING
Remove the MICRO carefully from the packaging, remove all transport safeguards and check whether all parts
contained in the scope of delivery are accounted for. It is recommended to retain the original packaging in case
the device has to be returned.
3.2 SCOPE OF DELIVERY
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4. GENERAL DESCRIPTION
(1A)
MARK Button
(1B)
Transmit Control LED
(1C)
“Release SEARCH-LOCK ” info symbol
(1D)
LCD display (backlight)
(1E)
Battery compartment
(1F)
Proximity sensor
(1G)
Battery polarity
(1H)
Loudspeaker
(1J)
Main switch ON/OFF, access to battery
compartment
(2A)
Bluetooth® active
(2B)
Auxiliary display
(2C)
Battery capacity
(2D)
Group check
(2E)
Direction indicator
(2F)
Distance indicator
(2G)
SEARCH-LOCK (search mode blocked)
(2H)
Transmit indicator
(2J)
MARK (marking possible)
(2K)
Current sending antenna
(2L)
Number of burials (1-3)
(2M)
Number of burials (4 or more)
(2N)
Transmitter marked
2A
2B
2C
2D
2E
2F
2G
2H
2J
2K
2L
2M
2N
1A
1B
1C
1E
1D
1F
1G
1H
1J
4.1 SENSOR INFORMATION
The proximity-sensor (1F) is used for automatic switching from Send to Search mode. The sensor detects whether
it is covered or not. This feature also works in darkness.
To prevent accidental switching back to Send mode during the search, Search mode is blocked (SEARCH-LOCK, 2G)
as soon as you take the MICRO out of its carrying system. The MICRO remains in the locked Search mode even if
you return it to the carrying system during probing or digging. To return to send mode, release the SEARCH-LOCK
(1C) and place the device in the carrying system. See also chapter 4.7 & 4.8.
4.2 STRUCTURE
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4.3 QUICK START IN 3 STEPS
Your PIEPS MICRO is ready for use directly out of the box.
Step 1: Place the carrying system by laying the strap over your head and
shoulders. Pass the body belt around your back, connect the quick release and
adjust to the required length.
Step 2: Switch the MICRO on (main switch 1J ON) and wait for it to complete the
self-check.
Step 3: Place the MICRO in the carrying system, check the Transmit control LED
(1B) and enjoy your tour.
PIEPS recommends using the MICRO carrying system (A) or using the MICRO Bag
with hand-loop (B), if the MICRO is carried in a securely closeable clothing
pocket.
A minimum distance of 5 m from other devices and all electronic, magnetic and metallic
sources of interference should be kept during the self-check. Ensure that the sensor is not
covered during the self-check.
Firmware-Version (1.0)
Batterie-Type (AL=Alcaline
LI=Lithium)
Self-check OK
Self-check error
Sensor test error
A
B
4.4 SWITCHING ON | SELF-CHECK
Switch the MICRO on by turning the main switch (1H) to the ON position.
The display shows the current firmware-version and the selected battery type. At the same time, an extensive
self-check is performed and all relevant system components are tested.
If the self-check is successful, “OK” is indicated on the display. In the event of a device warning, an alert signal
sounds and the display indicates “E” in combination with a warning-code.
A covered sensor during the self-check leads to a warning: the MICRO beeps and vibrates and “ST” for “Sensor
test error” is shown in the additional display (2B). (see also chapter 6.1)
IMPORTANT! If the battery type is changed, you have to follow the instructions in chapter 6.2
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4.5 GROUP CHECK
3-second-countdown
The maximum range in group check mode is 1 m.
Fast group check
CF = Check Fast
Extended group check
CE = Check Extended
Despite the extensive self-check, PIEPS recommends that all users perform a beacon check before each tour. The
MICRO is equipped with a group check function. This simply and efficiently checks whether the partner avalanche
beacon is sending (send check) and whether the send parameters meet the standard.
Activating the group check function:
Switch the MICRO on
Wait until “Group check” appears on the display.
Press and continue to hold the MARK button
The group check function is active as long as the MARK button is pressed. Release the MARK button to end the
group check function. After a countdown of 3 seconds, the MICRO automatically switches to Send or Search
mode:
Sensor covered => Send mode
Sensor not covered => Search mode
The group check function can be activated again during the 3-second countdown.
Fast and Extended group check
The MICRO has two group check modes:
Fast group check: checks transmitting signal and frequency
Extended group check: checks transmitting signal, frequency, signal duration and period duration
The “Fast group check” mode is set by default. The required mode can be selected in the PIEPS APP (see also
chapter 5).
The “Fast group check” is sufficient for checking modern, digital devices with 3 antennas.
The “Extended group check” is recommended for checking old devices (analog single-antenna devices).
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Result of Fast group check; CF=Check Fast
Device not sending or
distance too large (> 1 m)
Device sending
Transmission parameters
according to standard
Device sending
Sending frequency not
according to standard
Result of Extended group check; CF=Check Extended
Device not sending or
distance too great (> 1 m)
Device sending
Transmission parameters
according to standard
Device sending
One or more sending
parameters not according
to standard
Several senders
within 1 m
=> Increase distance
Continuous carrier indication (see chapter 4.9.6)
Pro-Mode “SEARCH”
Pro-Mode “SEND”
Display in group check send mode
CT = Check Transmit
Group check professional mode
The MICRO has a professional mode that makes it easy to change between receiving and transmitting, even
during the group check:
Tip the MICRO downwards to transmit in group check mode
Tip the MICRO upwards to receive in group check mode
Professional mode is deactivated by default. The feature can be activated in the PIEPS APP (see also chapter 5).
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The holistic “big” avalanche beacon check with activated Pro-mode
(1) Receive check
Group leader => Pro-mode “SEND”: Device transmitting?
All others => Search mode: Devices receiving?
(2) Transmit check
Group leader => Pro-mode “SEARCH”: Device receiving?
All others => Send mode: Devices transmitting?
Tip! The receive check can be combined with a range test
by selecting a large distance (50 m).
To see the display in send mode, cover the sensor (1F)
after unlocking the SEARCH-LOCK beforehand as
necessary.
If the sensor remains uncovered after the start
sequence, the MICRO switches immediately to Search
mode.
Send mode display
The Send-Vibra is an additional, tactile send confirmation. When
the MICRO sends, it vibrates 5 times.
The Send-Vibra is activated by default. The feature can be
deactivated in the PIEPS APP (see also chapter 5).
4.6 SEND MODE
After the self-check or the group check, place the MICRO into the carrying system. The MICRO transmits and an
LED indicator light (1D) flashes.
4.6.1 Send-Vibra
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4.6.2 The Intelligent Transmitter – maximum support in send mode
To prevent accidental switching back to Send mode during the search, Search mode
is blocked as soon as you take the MICRO out of its carrying system. The MICRO
remains in Search mode even if you return it to the carrying system during probing
or digging.
SEARCH-LOCK display
The SEARCH-LOCK is only activated when the device was previously in Send mode.
The Intelligent Transmitter is working in the background and helps to find a buried person faster and more
efficiently in case of an emergency.
PIEPS Auto-Antenna-Switch
If the transmitting antenna is negatively influenced through external interference (e.g. mobile phone), the other
antenna will take over the transmitting function. The MICRO always transmits with the strongest antenna for the
maximum range to the receiving beacon!
PIEPS iPROBE-Support
Beacons with iPROBE-support* are automatically deactivated when probing with the electronic probe PIEPS
iPROBE. This prevents signal overlaps and the next-strongest signal is automatically shown on the display of the
receiving beacon. The PIEPS iPROBE-supports maximal in the case of multiple burials!
* Beacons with iPROBE-Support: PIEPS MICRO, PIEPS DSP PRO, PIEPS DSP PRO ICE, PIEPS DSP SPORT, PIEPS DSP
STANDARD ≥ v5.0, PIEPS DSP TOUR, PIEPS FREERIDE
External interference and distance recommendations
All beacons are very sensitive to electrical and magnetic sources of interference. Due to this, all manufacturers
recommend keeping a minimum distance from electronic, magnetic and metallic sources of interference (mobile
phone, radio, keys, magnetic closures, etc.):
Minimum distance in Send mode: 20 cm | Minimum distance in Search mode: 50 cm
4.7 SWITCHING SEND SEARCH
The MICRO automatically switches to Search mode when you remove it from the carrying system.
The MICRO automatically switches to Search mode when you remove it from the carrying system. Search
mode is blocked in this case (SEARCH-LOCK).
The MICRO automatically switches to Search mode if you do not place it in the carrying system after the
start sequence (switch-on). Search mode is not blocked in this case.
4.7.1 SEARCH-LOCK
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4.8 SWITCHING SEARCH SEND
Avalanche
beacon mode
SEARCH
MODE
WARNING PHASE
SEND MODE
Display
indicator
Search
display
Tone output
Search tone
Manual abort
Shake device or press MARK button
START WARNING
Setting 1 (60 s) 0:30 min
Setting 2 (90 s) 1:00 min
Setting 3 (120 s) 1:30 min
SWITCH TO SEND
1:00 min
1:30 min
2:00 min
If necessary, you can release the SEARCH-LOCK, by pressing the MARK button (1A) for 3 seconds and placing the
MICRO in the carrying system or covering the sensor.
The MICRO emits an acoustic and tactile (Vibra) warning for 4 seconds that the device will switch over from
Search to send mode. A tactile send confirmation is performed after the switchover (see also chapter 4.6.1).
IMPORTANT! When you start the tour again, take care that the SEARCH-LOCK is not blocked, when you put the
MICRO in the carrying system. Only if the SEARCH-LOCK is not blocked, the MICRO switches to send-mode
automatically.
4.8.1 Secondary avalanche | Auto-Revert Search-to-Send (AR)
The MICRO has the Auto-Revert Search-to-Send (AR) function by default. The device switches from Search to send
mode automatically if the device has not been in motion for 1 minute (buried). You can change the timeout for
the switchover in the PIEPS APP (see also chapter 5).
The AR function has the following features:
Motion-controlled initialization
Short switching time
Long warning phase with signal tone and countdown before switching over
Permanent warning tone, also after switching over
During the warning phase, the AR initialization can be interrupted as follows:
By briefly shaking the device or
By pressing the MARK button
After the switchover, your MICRO transmits permanently, including a warning tone, until it is switched off.
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4.9 SEARCH MODE | SEARCH STRATEGY
Point of impact
Point of disappearance
Primary
Search area
SIGNAL SEARCH
COARSE SEARCH
FINE SEARCH
PINPOINTING
Result Accuracy
Search Speed
4.9.1 In case of emergency
A buried person has the greatest chance of being rescued quickly if as many of the companions in the group were
not buried and these people are able to work efficiently as a team. In the event of an accident, the following
applies: REMAIN CALM, OBSERVE, ALERT, ACT WITH COORDINATION!
(1) Stay calm & get an overview of the situation
Are there any other risks?
How many victims?
Determine the primary search area!
(2) Make a brief emergency call
Max. 2 minutes
EU 112, AT 140, CH 1414, IT 118, FR 15
(3) Burial search
Signal search (eyes + ears, beacon)
Coarse search (starting with first signal)
Fine search (closer than 5 m on the surface)
Pinpointing (systematic probing)
(4) Systematic digging
(5) First Aid
(6) Rescue
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4.9.2 Signal search
Walk along the defined search area in the stated search strip
width quickly. The recommended search strip width for the
MICRO is 50 m. The display shows “no signal” until a signal is
received.
No signal
One rescuer with skis
for signal search
One rescuer by foot
for signal search
More rescuers
for signal search
d = search strip width
Vibra at initial detection
The MICRO provides additional support during initial detection by vibrating. This
lets rescuers focus on the visual surface search during the signal search.
Start searching in the primary search area for initial detection (signal search). The MICRO has a circular receiving
range and enables the correct indication of direction and distance indication from the first signal – a specific
method such as turning/pivoting is not necessary. All signals of the burials that are within the maximum receiving
range are received simultaneously.
IMPORTANT! All participants, including the observers, must switch their devices to receiving mode (or to standby
mode). Always make sure there are no electronic devices (e.g. mobiles, radios) or solid metal items in the direct
vicinity of the search.
4.9.3 Coarse search
As soon as the MICRO receives signals, the distance and direction to the strongest signal are shown on the
display. The number of victims located within the receiving range is indicated by the number of matchstick men.
Using the arrow and distance reading, follow the strongest of the received signals along the field lines.
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Number of burials
one
two
three
four or more
As soon as a signal is received, follow the directional arrow quickly and see if the distance figures reduce. If the
Turn left
Move straight
ahead
Turn right
IMPORTANT! Work calmly and with concentration in Search
mode. Avoid hasty movements!
TIP! Before the direction arrows are suppressed, the
last distance correction has to be done exactly. You are
then moving to the transmitting beacon in best
coupling position and save time during the cross-like
movements. In the case of a deep burial it could
happen that the minimum direction indication is higher
than 2 m.
IMPORTANT! It’s strongly recommended to avoid hasty
movements (move approx. 10 cm/sec) and avoid
turning and rotating.
distance figures increase, change the search direction by 180°.
4.9.4 Fine search
From a distance of 5 m, the search speed should be notably reduced (50 cm/s). At the same time, work with the
MICRO as close to the surface of the snow as possible in this phase of the search to keep the distance to the
transmitting beacon to a minimum.
To prevent confusion during the fine search, the direction indication is hidden below a distance of 2 m. Reduce
the search speed again and search by pinpointing the position of the smallest distance indicated. Work slowly and
on the surface of the snow.
The dynamic acoustic signal output supports the fine search: the close the higher/faster.
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4.9.5 Pinpointing
Indicator before
marking
Indicator after marking
Marking is possible
within a range of 5 m
and is indicated by the
MARK (2J) symbol.
Signal without continuous carrier
Signal with continuous carrier
The MICRO identifies such a continuous signal and supports it
with an indicator: the “number of burials” start flashing.
Check the search result by systematic probing. Begin at the point of the lowest distance indicated. If you
encounter something, insert the probe and start with systematic digging.
4.9.6 Multiple burials | MARK function
If there are multiple burials, this will be indicated clearly on the display by the number of matchstick men.
To mark (“hide”) a localized sender, press the MARK (1A) button briefly. Once it is hidden, this will be confirmed
by a frame around the matchstick men (2N). The MICRO automatically shows the next strongest signal on the
display.
Now continue searching as described earlier and repeat the process until all transmitters are located. If there are
no further signals within the receiving range the display indicates “no signal”.
Continuous carrier indication
Older analog transceivers are transmitting a weak continuous signal additional to the digital pulse signal that can
have an impact on the digital signal separation. It is recommended to quickly step a few meters away after
marking such a transmitter.
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5. DEVICE MANAGEMENT WITH THE PIEPS APP
Bluetooth® activated
Connection to mobile device established
The PIEPS APP provides uncomplicated device management from your mobile phone using Bluetooth®. Download
the app (Android Play Store, iOS App Store), connect to PIEPS MICRO and use all the functions.
To activate Bluetooth®, hold down the MARK button (1A) when switching on the device. When the Bluetooth®
symbol appears on the display, you can release the MARK button.
You can make settings to the following features using the PIEPS APP:
Send-Vibra
Transmitting confirmation via Vibra ON/OFF
Group check
Group-Check ON/OFF
Change group check mode (fast/extended)
Pro-Mode ON/OFF
Auto-Revert Search-to-Send
Change timeout (60 s/90 s/120 s)
Battery
Change battery type (Alkaline / Lithium)
Further useful features of the PIEPS APP:
Training scenarios
Basic knowledge
Software Updates
Manuals
Manual PIEPS MICRO | Firmware v2 | 07/2017 20 / 23
6. TROUBLESHOOTING, MAINTENANCE, STORAGE, DISPOSAL
Error
Description
Measure
No indication on the display
Check the device for physical damage.
Check the battery capacity, type and polarity (+,-); if
necessary, fit a new battery. If there is still no
indication, take the device to your retailer.
E1
System configuration
The error remains on the display.
The device is not serviceable.
Take the avalanche beacon to your retailer.
E2
E3
E4
Sender or receiver or amplifier
The error disappears after the self-check.
The device has limited functionality: the send or
receive power is limited.
Repeat the self-check in an area free from
interference (outdoors). Check for external sources of
interference (e.g. sending avalanche beacons, mobile
phone) in your immediate vicinity. If the error is
permanently displayed, take the device to your
retailer.
E5
Processor
The error remains on the display.
The device is not serviceable.
Take the device to your retailer.
E6
Distance and/or direction indicator
The error disappears after the self-check.
The device has limited functionality: the
distance or direction indication is inaccurate.
Take the device to your retailer.
E7
Proximity sensor
The error remains in the additional display (2B).
In this case, automatic SendSearch switching
is not possible; the switching must be
performed manually.
Repeat the self-check and ensure that the sensor area
is not covered during the self-check.
Manual SendSearch switching is performed by
pressing the MARK button for 3 seconds.
Take the device to your retailer.
Automatic SendSearch switching does not take
place.
Ensure that the sensor is not covered. Check the
display glass and especially the sensor area for soiling
or deposits (large snowflakes), clean the display glass
as necessary.
E8
Accelerometer
The error disappears after the self-check.
The device has limited functionality: AutoRevert Search-to-Send is not possible.
Group check professional mode is not possible.
Take the device to your retailer.
E9
Bluetooth®
It is not possible to make a Bluetooth®
connection to a mobile device. The avalanche
beacon function of the device is working.
Is not checked during the self-check, occurs only
during Bluetooth® activation.
Switch the device off and on again in Bluetooth®
mode (keep MARK button pressed briefly when
switching on the device). If the error is permanently
displayed, take the device to your retailer.
6.1 TROUBLESHOOTING
Manual PIEPS MICRO | Firmware v2 | 07/2017 21 / 23
6.2 REPLACING THE BATTERY
3/3 filled
300 – 200 h SEND
2/3 filled
200 – 100 h SEND
1/3 filled
100 - 20 h SEND
empty
20 h SEND (+10° C, 50° F) + 1 h SEARCH (-10° C, 14° F)
empty,
flashing
Final reserve, device can switch off at any moment
Risk of explosion from incorrectly used batteries
Use batteries of type “Alkaline, AA, LR6, 1,5V5V or Lithium, AA, FR6
(FR14505), 1.5V“!
Risk that the displayed battery level is incorrect
Use batteries of type “Alkaline, AA, LR6, 1,5V5V or Lithium, AA, FR6
(FR14505), 1.5V“!
Flowing water, steam or cleaning agent must not be used to clean the device. To do so
could impede operation of the device.
Change the battery as soon as the battery level display (2C) indicates that it is empty.
To do so, open the battery compartment (1E) above the main switch (1H); be sure to insert the new battery the
right way around (1G).
Dispose of the battery in accordance with the law in your country.
Important: The use of lithium batteries has to be configured in the PIEPS-APP to guarantee that the correct
battery level is displayed. (see chapter 5 )
6.3 CLEANING
Use a damp cloth without cleaning agent to clean the device.
Manual PIEPS MICRO | Firmware v2 | 07/2017 22 / 23
If the device is not used for extended periods of time (summer months), it is
recommended to remove the battery from the battery compartment. The warranty does
not cover damage caused by leaking batteries.
Risk of extreme temperatures
Do not expose the device to extreme temperatures. Store the device so that it is
protected from direct sunlight. Extreme temperatures can impede operation or damage
the battery.
Please note that the device is an electronic device. It cannot
therefore be disposed by public waste management companies.
Dispose of the device in accordance with the law in your country.
6.4 STORAGE
Store the device in a dry room at room temperature.
6.5 DISPOSAL
7. APPROVAL & CONFORMITY
The approval text and the full text of the EU conformity declaration is available at the following website
www.pieps.com/conformity
Manual PIEPS MICRO | Firmware v2 | 07/2017 23 / 23
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