Cervis Warrior MU-X15 User guide

2018 Cervis, Inc.
MU-X15 System Manual
U100.4.0
™

This document is the property of Cervis, Inc. and cannot be copied, modified, e-mailed, or reproduced without the express
prior written consent of Cervis, Inc.
Cervis, Inc. reserves the right to change this manual or edit, delete, or modify any information without prior notification.
FCC Statements
15.19 –Two Part Warning
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference and
(2) This device must accept any interference received, including interference that may cause undesired operation.
15.21 –Unauthorized Modification
NOTICE: The manufacturer is not responsible for any unauthorized modifications to this equipment made by the user. Such modifications could
void the user’s authority to operate the equipment.
15.105(b) –Note:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Industry Canada Statement
This device complies with Canadian RSS-210.
The installer of this radio equipment must ensure that the antenna is located or pointed such that it does not emit RF field in excess of Health Canada limits for
the general population; consult Safety Code 6, obtainable from Health Canada’s website www.hc-sc.gc-ca/rpb.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio
exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil
doit accepter tout brouillage
radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Industry Canada Statement
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux
conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si
le brouillage est susceptible d'en compromettre le fonctionnement.
IC Unlicensed Devices EIRP Statements for Removable Antennas
Part 1: Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so
chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou
inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs,
il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à
l'établissement d'une communication satisfaisante.
Part 2: This radio transmitter (LOBSRF-310) has been approved by Industry Canada to operate with the antenna type listed below with the
maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a
gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Le présent émetteur radio (LOBSRF-310) a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés ci-dessous et ayant un
gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur
au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.

System Manual
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Table of Contents
List of Figures .............................................................................................................................. ii
List of Tables................................................................................................................................ ii
Definitions/Notes.......................................................................................................................... 1
Cervis Inc. Safety Precautions ................................................................................................... 2
1.0 Warrior MU-X15 System System ........................................................................................ 3
1.1 Warrior MU-9X15 Receiver............................................................................................... 3
1.2 Warrior MU-X15 HH2S-9XL10 Handheld Remote........................................................... 4
2.0 Warrior MU-9X15.................................................................................................................. 5
2.1 Input Voltages................................................................................................................... 5
2.2 MU-9X15 Diagnostic LEDs............................................................................................... 6
2.3 MU-9X15 Mounting ........................................................................................................... 7
2.4 MU-9X15 Power................................................................................................................. 9
2.5 MU-9X15 External Antenna.............................................................................................. 9
2.6 MU-9X15 Cable and Field Wiring................................................................................... 10
2.7 MU-9X15 Fuse Information ............................................................................................ 11
2.8 MU-9X15 DIP Switch Configurations ............................................................................ 11
2.9 MU-9X15 Mode Definitions............................................................................................. 11
2.10 MU-9X15 Relay-to-Mode Output Assignments ............................................................ 13
3.0 Warrior MU-X15 Handheld Remote (HH2S-9XL10) ......................................................... 14
3.1 HH2S-9XL10 Battery Installation................................................................................... 15
3.2HH2S-9XL10 Battery Warning and Shutdown.............................................................. 16
4.0 Warrior MU-X15 System Operation.................................................................................. 17
4.1 System Startup................................................................................................................ 17
4.2 Associating a Handheld with a Receiver...................................................................... 17
4.2.1 Associating a Handheld Using the DIP Switch Unlock Option................................... 17
4.2.2 Associating a Handheld Using the Virtual Unlock Process........................................ 18
4.3 Associate a Handheld to a Receiver............................................................................. 18
4.4 HH2S-9XL10 Handheld Factory Reset (Memory Clear)............................................... 19
5.0 Warrior MU-X15 System Specifications........................................................................... 20
5.1 MU-9X15 Receiver Specifications................................................................................. 20
5.2 HH2S-9XL10 Handheld Specifications ......................................................................... 21
6.0 Trouble Shooting ............................................................................................................... 21
Appendix A: Exposure to Radio Frequency Energy .............................................................. 22
Appendix B: RF Exposure Considerations ............................................................................. 22
Appendix C: MU-9X15 Safety Circuit ....................................................................................... 23
Appendix D: MU-9X15 Control Cable Internal Wiring Diagram ............................................. 24
Appendix E: Warrior System Options...................................................................................... 25

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List of Figures
Figure 1. Warrior MU-X15 System Receiver and Handheld Remote .........................................3
Figure 2. Warrior MU-X15 HH2S-9XL10 Handheld Remote ........................................................4
Figure 3. Bank Configuration ........................................................................................................5
Figure 4. MU-9X15 LED Indicators & Relay Locations................................................................6
Figure 5. MU-9X15 Mounting Dimensions....................................................................................8
Figure 6. MU-9X15 900MHz External Antenna and Optional Extension Cables.......................9
Figure 7. MU-9X15 Wiring Diagram............................................................................................ 10
Figure 8. MU-9X15 SW01 DIP Switch Assignments ................................................................. 11
Figure 9. HH2S-9XL10 and LED Descriptions........................................................................... 14
Figure 10. HH2S-9XL10 Battery Installation.............................................................................. 15
Figure 11. HH2S-9XL10 Remote Low Battery Warning and Auto-Shutdown ........................ 16
Figure 12. HH2S-9XL10 with Numbered Buttons...................................................................... 19
Figure 13. MU-9X15 MLC Safety Circuit Logic Diagram .......................................................... 23
Figure 14. MU-9X15 Control Cable Internal Wiring Description.............................................. 24
List of Tables
Table 1. MU-9X15 Diagnostic LEDs ..............................................................................................7
Table 2. MU-9X15 Power Configurations......................................................................................9
Table 3. MU-9X15 Fuse Identification ........................................................................................ 11
Table 4. Switches 1 and 2 Mode Configurations...................................................................... 11
Table 5. DIP Switch 3: Applies to All Modes and All Transmitters......................................... 11
Table 6. DIP Switch 4: Applies to HH, Only Applies to Mode 00 or 01 ................................... 12
Table 7.DIP Switch 5: Only Applies to HH AND Only Applies to HH in Mode 00 or 01 and
Only Applies if AB CYC/IND = 1 ............................................................................... 12
Table 8. DIP Switch 6: Only Applies in Mode 00 (HH: AB CYC/IND Needs Set to 0)............. 12
Table 9. DIP Switch 8: Applies to HH, Only Applies in Mode 00 or 01 ................................... 12
Table 10. MU-9X15 Relay Output Assignments........................................................................ 13
Table 11. Table 10 Abbreviation Key ......................................................................................... 13
Table 12. MU-9X15 Receiver Specifications.............................................................................. 20
Table 13. HH2S-9XL10 Handheld Specifications...................................................................... 21
Table 14. Trouble Shooting......................................................................................................... 21
Table 15. Warrior System Options............................................................................................. 25
Table 16. Aftermarket Support & Spare Parts........................................................................... 25

System Manual
Definitions/Notes
Association: When you program a handheld with a receiver’s ID during the Association
process.
Pairing: When a handheld takes control of a receiver for operation.
DSSS: Direct sequence spread spectrum; an advanced wireless communications technology.
Warrior Receiver: “Receiver” mounted to the crane or machine.
Line of Sight (aka Direct Line of Sight): Term used to describe RF communication where the
pathway between units is clear of physical obstacles such as walls, earth, and other
obstructions.
TX/RX: Wireless transmission and reception of data.
CAN TX/RX: Transmit and receive data over Control Area Network (CAN).
Transmitter: Handheld or portable unit.
Receiver: Machine mounted unit.

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Cervis Inc. Safety Precautions
Read and follow all instructions.
Failure to abide by Safety Precautions may result in equipment failure, loss of
authority to operate the equipment, and personal injury.
Use and maintain proper wiring. Follow equipment manufacturer instructions.
Improper, loose, and frayed wiring can cause system failure, equipment damage, and
intermittent operation.
Changes or modifications made to equipment not expressly approved by the
manufacturer will void the warranty.
Owner/operators of the equipment must abide by all applicable Federal, State, and
Local laws concerning installation and operation of the equipment. Failure to comply
could result in penalties and could void user authority to operate the equipment.
Make sure that the machinery and surrounding area is clear before operating. Do not
activate the remote control system until certain that it is safe to do so.
Turn off the handheld remote and remove power from the machine unit before
attempting any maintenance. This will prevent accidental operation of the controlled
machinery.
Use a damp cloth to keep units clean. Remove mud, concrete, dirt, etc. after use to
prevent obstructing or clogging the buttons, levers, wiring, and switches.
Do not allow liquid to enter the handheld or machine unit enclosures. Do not use high
pressure equipment to clean the handheld remote or machine unit.
Disconnect the radio machine unit before welding on the machine. Failure to
disconnect the base unit may result in destruction of or damage to the machine unit.
Operate and store units only within the specified operation and storage temperatures
defined in the specifications of this document.
Keep high-energy RF devices away from handheld remotes. Activation of high-power
communication radios, for instance, in close proximity to handheld remotes can
result in interference and “false” circuit activation.
Do not key 2-way radios while using the handheld remote.

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1.0 Warrior MU-X15 System
The Warrior MU-X15 System consists of a receiver (MU-9X15) and one or more Warrior MU-
X15 System handheld remotes (HH2S-9XL10).
1.1 Warrior MU-9X15 Receiver
A MU-9X15 is capable of communicating with one handheld at a time (first come first serve). The
MU-9X15 is able to connect to any handheld that has the receiver ID stored in its memory. The
rugged construction and relay output configurability allows Warrior MU-X15 systems to be used
in a wide variety of typical crane control applications.
Standard (DIP Switch Set) Configurations include:
3 motion 2 Speed control with A/B Select configurations
3 motion 2 speed control with momentary or latching AUX functions
3 motion 2 speed control with “4 wire” hoist set up
4 motion 2 speed control
Figure 1. Warrior MU-X15 System Receiver and Handheld Remote
Warrior MU-9X15 Features
16 Form A relays
Rugged compact design
900 MHz license free operation
Designed to ICS 8 NEMA Crane Specification
Eight DIP switches allow for configurability
High VAC, Low VAC, and DC input ranges available
Operating temperature of -40°C to +70°C (-40°F to +158°F)
Storage temperature of -40°C to +80°C (-40°F to +176°F)

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1.2 Warrior MU-X15 HH2S-9XL10 Handheld Remote
A Warrior MU-X15 HH2S-9XL10 handheld has eight 2-stage buttons plus STOP and
HORN/START. The handheld is powered by two 1.5V AAA batteries. Once associated to a
receiver, the handheld stores one receiver ID in its memory. One or more handhelds are
associated to the receiver at Cervis before it is shipped. The user can use the Association
process described in Heading 4.0 to change the ID in a handheld memory. Refer to section 4.4
(Factory Reset) to clear the handheld memory so that it will not control any receiver.
The Warrior MU-X15 HH2S-9XL10 has four LEDs that are used to identify system status and
provide diagnostics. LEDs as shown in Figure 2 are: Transmit/Receive (TX/RX); Battery
Status; A Selection; and B Selection.
Figure 2. Warrior MU-X15 HH2S-9XL10 Handheld Remote
Warrior MU-X15 HH2S-9XL10 Handheld Remote Features
Powered by two 1.5V AAA batteries
Low Battery Warning and Low Battery Auto-Shutdown
900MHz license free operation @ 100mW
Rugged compact design
Protective rubber bumper and detachable wrist lanyard
Four Diagnostic LED indicators
Ten two-step actuators
Operating temperature of -40°C to +60°C (-40°F to +140°F)
Storage temperature of -40°C to +85°C (-40°F to +185°F)

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2.0 Warrior MU-9X15
The MU-9X15 receiver features 16 Form A relays arranged in four banks of four. Bank 1 through
Bank 3 each have three relays sharing a common fused at 5A, the fourth relay is independent
rated at 8A @ 250VAC. Bank 4 features one independent Horn/Light relay, two series relays
that form the MLC output, and one Start relay. The Start and MLC circuits share a common
fused at 5A (Reference Appendix C for details regarding MLC safety logic).
The independent relays (K13, K04, K08, K12) are rated at 8A @ 250VAC.
Figure 3. Bank Configuration
2.1 Input Voltages
Depending on the model, the MU-9X15 accepts the following input voltages:
110 to 220VAC at 50-60 Hz (High VAC)
10 to 28VAC at 50-60Hz, and (Low VAC)
9 to 36VDC

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2.2 MU-9X15 Diagnostic LEDs
The MU-9X15 has three system status LEDs, 16-relay status LEDs, and four power LEDs that
can be used as diagnostics tools (see Table 1). The MU-9X15 has one internal LED indicator
visible from outside the enclosure that is used for association and health status. The strobe LED
can be shutoff for one (1) hour by pressing the shutoff switch (see the RED circle in Figure 4)
and will reactivate after either one hour has passed or Association (Heading 4.2) is performed.
Figure 4. MU-9X15 LED Indicators & Relay Locations

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Table 1. MU-9X15 Diagnostic LEDs
LED
Name
LED State
Description
1
Health
Blinking
Unit OK, normal processor operation
2
TX (Transmit)
Fast Blinking
Indicates RF Messages sent to handheld
3
RF 3.3V
Steady Lit
Indicates RF 3.3V bus OK
4
RX (Receive)
Fast Blinking
Indicates RF Messages received from handheld
5
System 12V
Steady Lit
Indicates System 12V bus OK
6
Logic 3.3V
Steady Lit
Indicates Logic 3.3V bus OK
7
System 3.3V
Steady Lit
Indicates System bus 3.3V OK
LED per
Relay (16)
Relay State
Steady Lit
Relay Active
Each of the 16 relays has its own LED. When commanded the relay LED illuminates.
2.3 MU-9X15 Mounting
Caution!
Disable the machine on which the receiver is to be
attached before installation to avoid injury.
Use the configuration diagrams supplied by Cervis to guide you in mounting the receiver and
connecting your wire harness. Mounting of the receiver is left much to your discretion with the
following guidelines:
Make sure that the configuration diagrams supplied with the system are available. Keep
them where they can be easily accessed when needed.
Mount the receiver away from any intense radio or electric disturbance sources.
Mount the receiver where there is enough room to make wiring harness terminations.
Make sure the mount is secure.
The external antenna must be connected only as recommended by Cervis with parts
recommended by Cervis. Under no circumstances can a signal amplifier be used.
Mount such that the unit antenna is in view of the operator. Apply an antenna extension
cable if needed. Cervis optional extension cables are 3ft. (J5-07), 10ft. (J5-02), or 25ft. (J5-
13). See Figure 6.

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Figure 5. MU-9X15 Mounting Dimensions

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2.4 MU-9X15 Power
Power is provided to the unit through the control cable. The cable is part of the final assembly
and comes attached to the receiver. MU-9X15 is available in the following input power
configurations:
Table 2. MU-9X15 Power Configurations
Model
Input Voltage
Range
Frequency
MU-9X15-HVA
High Voltage AC
115-230 Vrms
50-60 Hz
MU-9X15-LVA
Low Voltage AC
10-28 Vrms
50-60 Hz
MU-9X15-LVD
DC
7-36 V
—
2.5 MU-9X15 External Antenna
Warrior MU-X15 comes with a 900MHz external antenna that attaches to the receiver using the
external unit connector. Antenna extensions are available in 3, 10 and 25 foot lengths.
Figure 6. MU-9X15 900MHz External Antenna and Optional Extension Cables
212mm (8.35”)
Available
Extension Cables:
25’ J5-13
10’ J5-02
3’ J5-07
External Antenna BB3-06

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2.6 MU-9X15 Cable and Field Wiring
 Note:The control cable is individually marked on the insulation of each wire. Please note that
negative VDC (-VDC) should be connected directly to the power supply negative terminal.
Figure 7. MU-9X15 Wiring Diagram

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2.7 MU-9X15 Fuse Information
Use Table 3 to find replacement fuse part numbers based on the rated input voltage rating for
your system.
Table 3. MU-9X15 Fuse Identification
Model
Fuse Package
Bank 1-4 Fuse P/N
F01 Fuse P/N
MU-9X15-HVA
5x20 MM Glass
0218005.HXP
0217002.H
MU-9X15-LVA
5x20 MM Glass
0218005.HXP
0217002.H
MU-9X15-LVD
5x20 MM Glass
0218005.HXP
0217002.H
2.8 MU-9X15 DIP Switch Configurations
The MU-9X15 utilizes eight DIP switches to allow for relay configuration of A/B cycling
sequences, configuring relays for 3 or 4-wire hoist control systems, configuration of Aux Relay A,
and configuration of Aux Relay B for momentary or latching control.
Figure 8. MU-9X15 SW01 DIP Switch Assignments
2.9 MU-9X15 Mode Definitions
Table 4. Switches 1 and 2 Mode Configurations
Mode
Definition
00
3-Motion. Bridge, Trolley, and Hoist 3 relays. A, B, and AUX functions available.
01
3-Motion. Bridge, Trolley 3 relays, Hoist 4 relays. A and B functions available, AUX
unavailable.
10
3-Motion. Bridge, Trolley, Hoist 4 relays. A, B, and AUX functions unavailable.
11
4-Motion. Bridge, Trolley, Hoist, 4th axis 3 relays. A, B, and AUX functions unavailable.
Table 5. DIP Switch 3: Applies to All Modes and All Transmitters
Name
Set
Definition
AB BOTH/OFF
0
HH: Cycle pattern is A, B, Both.
MCB: middle position of A/B switch is BOTH.
1
HH: Cycle pattern is A, B, Off.
MCB: Middle position of A/B switch is OFF.
ASOC
LOCK
AUX MOM
/ LAT
AB MOM
/ LAT**
A/B CYC
/ IND*
MODE
1
0
AB BOTH
/ OFF
UNUSED
*Applies only to HH, only in MODE 00 and 01
**Applies only to HH, only in MODE 00 and 01, only if SW4 = 1

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Table 6. DIP Switch 4: Applies to HH, Only Applies to Mode 00 or 01
Name
Set
Definition
AB CYC/IND
0
HH: Button 9 cycles A/B (See AB BOTH/OFF).
MCB: No effect.
1
HH: Button 9 activates A, button 10 activates B, NO AUX (see AB MOM/LAT)
MCB: No effect.
Table 7.DIP Switch 5: Only Applies to HH AND Only Applies to HH in Mode 00 or 01 and Only
Applies if AB CYC/IND = 1
Name
Set
Definition
AB MOM/LAT
0
HH: A and B are momentary outputs.
MCB: No effect.
1
HH: A and B are latching outputs.
MCB: No effect.
Table 8. DIP Switch 6: Only Applies in Mode 00 (HH: AB CYC/IND Needs Set to 0)
Name
Set
Definition
AUX MOM/LAT
0
HH: AUX is momentary.
MCB: AUX is momentary.
1
HH: AUX is latching.
MCB: AUX is latching.
Table 9. DIP Switch 8: Applies to HH, Only Applies in Mode 00 or 01
Name
Set
Definition
ASOC LOCK
0
Association NOT permitted.
1
Association permitted.
 Note: DIP switches may be changed at any time. However, changes will only be applied when
there is no active RF connection.

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2.10MU-9X15 Relay-to-Mode Output Assignments
Table 10. MU-9X15 Relay Output Assignments
Relay
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
K11
K12
K13
K16
Mode
00
BF
BR
B2
A
TF
TR
T2
B
HD
HU
H2
AUX
A/H/L
ST
Mode
01
BF
BR
B2
A
TF
TR
T2
B
HD
HU
HD2
HU2
A/H/L
ST
Mode
10
BF
BR
BF2
BR2
TF
TR
TF2
TR2
HD
HU
HD2
HU2
A/H/L
ST
Mode
11
BF
BR
B2
4thR
TF
TR
T2
4thF
HD
HU
H2
4th2
A/H/L
ST
Table 11. Table 10 Abbreviation Key
Abbreviation Key
BF –Bridge Forward
BR –Bridge Reverse
B2 –Bridge Second Speed
A –Crane A Control
TF –Trolley Forward
TR –Trolley Reverse
T2 –Trolley Second Speed
B –Crane B Control
HD –Hoist Down
HU –Hoist Up
H2 –Hoist Second Speed
AUX –Auxiliary
A/H/L –Associate / Horn / Light
ST –Start/Horn
BF2 –Bridge Forward Second Speed*
BR2 –Bridge Reverse Second Speed*
HU2 –Hoist Up Second Speed
HD2 –Hoist Down second Speed*
TF2 –Trolley Forward Second Speed*
TR2 –Trolley Reverse Second Speed*
4th R –4th Axis Reverse
4th F –4th Axis Forward
4th 2 –4th Axis Second Speed
*Used in four wire applications.

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3.0 Warrior MU-X15 Handheld Remote (HH2S-9XL10)
The HH2S-9XL10 handheld is a small, compact handheld remote control that interfaces with
Warrior MU-9X15 receiver. The HH2S-9XL10 is made up of ten two step actuators. The HH2S-
9XL10 utilizes two AAA batteries for power. The handheld remote enclosure is constructed of
rugged polycarbonate designed to meet an ingress protection rating of IP55 according to IEC
60529. The HH2S-9XL10 has four LEDs used for diagnostics that indicate wireless link, Battery,
and AB selection.
Figure 9. HH2S-9XL10 and LED Descriptions
The HH2S-9XL10 handheld remote button functions are configured by manipulating the MU-
9X15 DIP Switch Mode settings . These configurations and the button functions are shown in
Table 10.
Indicator LEDs (Red when active )
TX/RX Transmit/Receive A Selection
BATT Battery Status B Selection
Bridge Forward
Bridge Reverse
Trolley Reverse
Trolley Forward
Hoist Up
Hoist Down
A/B/AUX 1 or 2nd Hoist Up
AUX or 2nd Hoist Down
Stop
Horn/Start

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3.1 HH2S-9XL10 Battery Installation
HH2S-9XL10 handheld units are powered by two AAA alkaline batteries. When installing
batteries, be sure to observe proper polarity as marker on the inside of the compartment to avoid
damaging the unit. To replace or install batteries in the handheld:
1. Loosen the four small Philips screws from the battery compartment cover and lift the
cover from the handheld. The screws remain attached to the cover. Make sure the
compartment sealing gasket stays in place on the handheld.
2. Install two fresh size AAA batteries. Be sure to position batteries as shown in Figure 10.
3. Replace the compartment cover and tighten the four Philips screws. These screws
should not be over tightened, but they should be tight enough to ensure the gasket
provides a proper seal.
 Note: Discard expired batteries in accordance with local regulations.
Figure 10. HH2S-9XL10 Battery Installation
Be sure to observe proper polarity when placing
batteries in the handheld battery compartment.
Caution!

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3.2 HH2S-9XL10 Battery Warning and Shutdown
HH2S-9XL10 will alert the user if the remaining battery life is getting low or is too low for normal
operation.
Figure 11. HH2S-9XL10 Remote Low Battery Warning and Auto-Shutdown
LOW BATTERY
BATTERY LED flashes once per second indicating a LOW BATTERY (2.1V or less) situation
is present. Two fresh AAA batteries should be replaced as soon as possible. The LED will
continue to flash at one second intervals until the batteries are changed, or until the voltage
level drops to 2.0V and Auto-Shutdown occurs.
AUTO-SHUTDOWN
At 2.0V, the BATTERY LED flashes briefly for approximately 1.25 seconds before the
handheld remote automatically shuts down.
Two fresh AAA batteries must be installed before the handheld can be used again.
Low Battery
Flash 1/s
Shutdown
One 1.25s Flash
then nothing more
until the batteries
are replaced.