GL7p Battery-Powered, Door-Mounted Electronic Locker Lock Identification via RFID (MIFARE®, ISO 15693, NFC, HID iCLASS) and Optional PIN Code Installation, Configuration, Operation Document Version 1.2 www.gantner.
GL7p - Battery-powered, door-mounted electronic locker lock © Copyright 2020 by GANTNER Electronic GmbH Operating instructions, manuals and software are protected by copyright. All rights are reserved. Copying, duplication, translation, installation in any electronic medium or machine-readable form in whole or in part is prohibited. The sole exception is represented by creation of a back-up copy of software for own use as a safeguard, so far as this is technically possible and recommended by us.
GL7p - Battery-powered, door-mounted electronic locker lock Important Information Dear Customer, Our aim is to ensure that our product operates with safety and to your complete satisfaction. To achieve this aim, please take this opportunity to familiarize yourself with the following guidelines. - Pay attention to the safety messages in this manual. The messages are indicated by the signal words "DANGER", "WARNING", or "CAUTION", and inform you about hazardous situations and how to avoid them.
GL7p - Battery-powered, door-mounted electronic locker lock 2. Property Damage Messages Property damage messages are used to describe potentially hazardous situations that may lead to property damage. These messages have the same layout as safety messages but use the signal word "NOTICE" instead of “CAUTION”.
GL7p - Battery-powered, door-mounted electronic locker lock Important Safety Information − The installation, commissioning, and servicing of our products must be performed only by suitably trained personnel. In particular, electrical connections must only be made by correspondingly qualified specialists. Always observe the relevant installation regulations in accordance with the national Electrical Engineers Association.
GL7p - Battery-powered, door-mounted electronic locker lock The GL7p was developed and fabricated under the quality management standard ISO 9001 and GANTNER Electronic GmbH is also certified according to standard ISO 14001. This product is in conformity with the following EC directives, including all applicable amendments: - 2014/53/EU (Radio Equipment Directive) The complete text of the CE Declaration of Conformity is available on the following internet link: http://www.gantner.
GL7p - Battery-powered, door-mounted electronic locker lock INDUSTRY CANADA INFORMATION This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p 8 HB_GL7p--EN_12 www.gantner.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Table of Contents TABLE OF CONTENTS 1 INTRODUCTION ............................................................. 11 1.1 About this Manual ...................................................................................................................................11 1.2 Chapter Overview ...................................................................................................................................11 1.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Table of Contents 5.4 Configuration Settings of the GL7p ........................................................................................................ 44 5.4.1 Operating Mode ................................................................................................................................... 44 5.4.2 Locker Number .........................................................................................................
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Introduction 1 INTRODUCTION 1.1 About this Manual This manual contains all the information necessary for the installation, commissioning, configuration, operation, and disposal of the GL7p electronic locker locks. The GL7p is available in various variants, all of which are described in this manual. These are the following variants: - GL7p.0500 - GL7p.1500, GL7p.1501, GL7p.1502 - GL7p.2500 - GL7p.3500, GL7p.3501, GL7p.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Introduction 1.4 Target Group This manual contains information relevant for the different stages in the operating life of the GL7p. Information regarding the installation, commissioning, and service/maintenance is separated into corresponding chapters. When a chapter is intended for a specific audience, this is clarified at the beginning of the chapter.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 2 GENERAL INFORMATION 2.1 Intended Use The GL7p may only be used for the convenient electronic locking of lockers in facilities such as leisure facilities, universities, companies, depots, and other individual company applications. Depending on the device type, identification at the GL7p is completed using contactless RFID (Radio Frequency Identification) data carriers or via PIN code.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information Using a locker To use a locker, the user closes the door of their locker and while holding the door shut, presses the button of the GL7p in using their data carrier. The GL7p reads the data carrier information and determines whether the user is authorized to use the locker. When the user is authorized, the GL7p locks the locker door. The LED signals the locking action and the button remains in the pressed-in position.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 2.4.1 RFID Technologies The following data carriers can be used for RFID identification with the GL7p. MIFARE® (manufacturer NXP/Infineon) - MIFARE® Classic (1k and 4k) - DESFire EV1® and EV2® - MIFARE Ultralight® HID iClass - Reading of unique number only ISO 15693 - The GL7p operates with all currently known ISO 15693 data carriers.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 2.5 Terminology Several key terms that are used often in this manual are defined below. Computer / PC These terms refer to all desktop and laptop computers running a Microsoft ® Windows® operating system. Data Carrier A data carrier is a form of identification media that is used by staff and visitors in a facility for identification.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 2.6 System Components The GL7p locker locking system includes the following system parts. A description of the individual components is provided on the following page. 3. GL7p.1501 4. GL7p.3501 1. GL7p.0500 5. GL7p.2500 7. GL7p.1502 7. GL7p.3502 2. GL7p.1500 6. GL7p.3500 9. GL7p Battery CoverKey 10. GAT ECO.Basic Set FD 11. Batterie 3.6V Lithium SL-860/S 12. GAT Key Tag F Open Master 13. GL7p Button Plate 14.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 1. GL7p.0500 (Part No. 922728) Battery lock for MIFARE® and ISO 15693 data carriers, without PIN keypad, without battery. 2. GL7p.1500 (Part No. 922627) Battery lock for MIFARE® and ISO 15693 data carriers, with PIN keypad, vertical mounting, without battery. 3. GL7p.1501 (Part No. 922425) Battery lock for MIFARE® and ISO 15693 data carriers, with PIN keypad, mounting on right-hinged door, without battery. 4. GL7p.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 15. GL7p Number Sticker Self-adhesive button sticker that can be attached to the accompanying GL7p Button Plate (Part No. 748633). Printable with a customer-specific design. This item is available in sheets of 50 stickers with pre-printed numbers in the following number ranges: - GL7p Number Sticker 001-050 (Part No. 1103040) - GL7p Number Sticker 051-100 (Part No. 1103041) - GL7p Number Sticker 101-150 (Part No.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p General Information 2.7 GL7p Dimensions and Components 1. LED status indicator 2. Button (a = “unlocked”, b = “locked”) 3. Latch 4. Front part 5. Rear part 6. Mounting thread (M19x1) 7. Fixing nut 8. Spacer sleeve 9. Screw for anti-rotation protection 10. Battery compartment cover 11. Battery compartment key Figure 2.2 – GL7p dimensions and components (dimensions in mm – inches shown in brackets) 20 HB_GL7p--EN_12 www.gantner.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation 3 INSTALLATION NOTE! These installation instructions describe how to install the GL7p locker lock. Please read this section carefully prior to working on the lockers or installing the locks. Risk of damage or failure to the GL7p - Read the information in this section carefully before installing the GL7p. - Carefully observe the installation diagrams. - Use the correct tools to install the GL7p. 3.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation 3.5 Door Width and Thickness The GL7p is suitable for locker doors with a door leaf thickness of 1 to max. 28 mm. Depending on the thickness of the door leaf, different screws and/or the supplied spacer sleeve must be used for anti-rotation prevention. For details, see "3.8.2 Instructions for Installing the GL7p".
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation To retrofit the GL7p into existing lockers, GANTNER also offers offset latches that can be adapted to an existing latch stop. In this case, please contact GANTNER Electronic GmbH or your local sales partner to order a suitable latch. NOTE! To ensure the safe operation of the GL7p, do not bend or modify the supplied latch yourself. To find the exact measurement for the latch, follow these steps.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation 3.7 Definition of the Door Hinge (Right of Left-Hinged Door) For installation, it is important to determine whether the locked door is hinged on the left or right side, which is defined as follows: Right-hinged door Left-hinged door Figure 3.5 – Locker door hinge definition (left/right) for vertical mounting of the lock Right-hinged door Left-hinged door Figure 3.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation The position of the latch of the GL7p is different for right and left-hinged doors. You can make this change yourself (see "3.8.2 Instructions for Installing the GL7p"). The installation for right-hinged doors is described in the following pages.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation 3.8 Installation of the GL7p After determining the alignment of the lock and the door stop, the mounting holes can be drilled. The following description shows the holes for a right-hinged door with vertical lock mounting. NOTE! Before installing all locks in a new locker system, a test installation of one lock into a completed locker and a functional check must be performed. See section “3.2. Test Installation". 3.8.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation 3.8.2 Instructions for Installing the GL7p After drilling the mounting holes, complete the following steps to install the GL7p according to the installation diagram. 3. GL7p 4. Locker door 5. Mounting thread 6. Fixing nut 7. Latch 1) 8. Lock nut 9. Anti-rotation dome 10. Spacer sleeve (only for thin doors under 10 mm, e.g., single-wall metal door) 11. Washer (only if spacer is not used) 12.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation Vertical mounting ► ► Horizontal mounting, right door Horizontal mounting, left door Tighten the lock nut (8) so that the latch is firmly attached (torque max. 1.5 Nm). Secure the anti-rotation (tightening torque max. 1.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation 3.9 Attaching the Number Plate On the button of the GL7p, the round number plate (0.8 mm thickness) must be attached. A neutral-white number plate without printing is included with the GL7p upon delivery (GL7p Button Plate, Part No. 748633). The number plate can also be ordered with laser numbering. This will be delivered as standard with a 4-digit number (GL7p Number Plate, Part No. 1103180).
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Installation ► Before attaching the number plate, ensure that the surface of the button is free of dirt and dust. ► Align the number plate with the 4 tabs in the button and attach it. ► If applicable, align the button sticker with the 4 tabs in the button and attach it to the number plate. For more information on the design and printing of customized button stickers, please contact your GANTNER reseller. 30 HB_GL7p--EN_12 www.gantner.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Commissioning 4 COMMISSIONING 4.1 Target Group This chapter provides information for technicians responsible for putting the GL7p into operation. A base knowledge of electronics is assumed. Previous knowledge of the GL7p is not required. 4.2 Power Supply 4.2.1 Battery Information The GL7p is powered by one 3.6 V AA lithium battery (see “8. TECHNICAL DATA”).
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Commissioning Figure 4.2 – Insert battery - observe the correct polarity 4.2.3 ► Replace the battery compartment cover onto the battery compartment and push it down until it clicks into place. ► Press the button of the GL7p in completely using the BATTERY data carrier. o The BATTERY data carrier is read by the GL7p and, if read correctly, the GL7p is enabled.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Commissioning ► Complete the instructions described in section “4.2.2. Inserting the Battery”. ► Press the locker door shut with one hand and hold it shut. ► Press the button of the GL7p in completely using the BATTERY data carrier. o The BATTERY data carrier is read by the GL7p and, if read correctly, the GL7p is enabled. Figure 4.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Commissioning To configure the GL7p via PC/laptop: ► Start GAT Config Manager on the PC/laptop. ► Connect the USB cable (type-A end) to a spare USB port on the PC/laptop. ► ► Open the battery compartment (see section “4.2.2. Inserting the Battery”) Connect the Micro-B connector of the USB cable into the USB port on the GL7p.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Commissioning ► Now press the button of the GL7p to activate configuration mode. a) If the lock has not been configured yet (default setting), the GL7p only has to be connected. b) If the lock has already been configured at least once, i.e., the default setting has been deactivated, the button must be pressed with the SERVICE data carrier from the Basic Set.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Commissioning 36 HB_GL7p--EN_12 www.gantner.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration 5 CONFIGURATION RF exposure statement The users must keep at least 20 cm separation distance from the device, except during the identification and operation process at the device (e.g. PIN-code input), which must be performed as described in this manual. 5.1 General Information The GL7p is configured using a PC/laptop and GAT Config Manager software or with the MoLA app on a mobile device.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration NOTE! Min. version 3.13 of GAT Config Manager software is required to configure the GL7p. NOTE! The GL7p is powered by the USB cable, which means that the battery does not have to be inserted in the lock during configuration. Ensure however that the GL7p is not de-energized for more than 1 minute (e.g., after disconnecting the USB cable until the battery is inserted), otherwise the time and date will be erased.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration ► To add a GL7p to a location, right-click on the location and select “Add GAT Lock 7000 Series” from the “Add Device” menu (Figure 5.3). o The GL7p is added to the selected location. Figure 5.3 – GAT Config Manager – Adding a GL7p 5.2.2 View and Edit the GL7p Configuration Settings Once the GL7p has been added to the device list and you have connected the lock to the PC (see “4.3.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration ► Click on the “(2) Configure” button (2 in Figure 5.4). o The “GAT Configurator” window opens (Figure 5.5). Figure 5.5 – “GAT Configurator” configuration window 5.2.3 Upload Configuration Settings to the GAT ECO.Lock 7xxx F/ISO When you are finished configuring the GL7p settings in GAT Config Manager, it is important to finalize the configuration by uploading the file to the GL7p.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration 5.2.4 Updating the GL7p Firmware GANTNER periodically releases firmware updates for the GL7p. In order to take advantage of the latest features, it is recommended to update the GL7p to the latest firmware during configuration or at regular intervals. ► Right-click onto the GL7p in the “Devices” tree and select “Update Firmware”. Figure 5.6 – GAT Config Manager - Updating the GL7p firmware o The “Device update wizard” opens.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration Figure 5.8 – Device update wizard - Reader selection ► Select the readers that require a firmware update. - Quintec BLE Module: The wireless module for identification via radio connection (only for the GL7p.2xxx and GL7p.3xxx locks). ► - RFID module: Standard RFID reader that reads the data carriers when the button is pressed. Click on "Next".
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration o All available firmware versions for the previously selected device component (GL7p main device or the selected reader type) are displayed here. ► Hover the mouse over the desired version to see the included new features. ► Select the latest update and click on "Next".
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration 5.4 Configuration Settings of the GL7p The important configuration settings of the GL7p that can be adjusted in GAT Config Manager are explained in this section. A list and brief explanation of every configuration setting available for the GL7p is provided in section “5.4.10 Configuration Settings Table”. 5.4.1 Operating Mode The GL7p can operate in one of five different operating modes. See “6.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration Configuration> Operating mode> General> AutoUnlock after locking active Next, you have to enter the desired time after a locking here: Configuration > Operating mode > General > AutoUnlock after locking [min] ► Enter the time in minutes. The unlocking countdown therefore begins after each lock has been performed.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration 5.4.7 MASTER Data Carriers Up to 10 MASTER data carriers (also called MASTER cards) can be assigned to the GL7p to allow the locker to be opened in special circumstances, e.g., when a user has lost their data carrier.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration 5.4.10 Configuration Settings Table The following table lists all the configuration information available for the GL7p in GAT Config Manager.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration Reader RF Standards ISO15693 When set to "True", ISO 15693 data carriers can be read by the lock Boolean False ISO14443A When set to "True" ISO 14443 (MIFARE) data carriers ca be read by the lock. This setting is not configurable. Boolean True HID When set to "True", the device can read HID iCLASS data carriers (UID number only) Boolean False Hex 9999 KeySet Site key of the device.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration BLE pulse period activation Period between radio pulses in activation mode. Input in 100 ms (e.g. 600 = 1 min.). As each pulse requires energy, the period should be selected so that wireless signals are still quickly detectable in activation mode. Period to lock the GL7p after a wireless command. Input in seconds.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Configuration BM Information for service technicians ReaderChip FW Firmware of the RFID reader electronics Telemetry Status information about the operation of the GL7p Duration Locked [min.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 6 OPERATION RF exposure statement The users must keep at least 20 cm separation distance from the device, except during the identification and operation process at the device (e.g. PIN-code input), which must be performed as described in this manual. 6.1 Target Group This chapter contains information for the technicians who commission the GL7p and who check it in case of operation problems. 6.2 General To operate the GL7p (e.g.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation “Personal Locker” Operating Mode - Personal locker programming card - Personal locker expiry date Requirements for MIFARE, ISO 15693, and HID iClass data carriers All MIFARE and ISO 15693 data carriers that are used in the system must meet the operating mode requirements as specified in the following table.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation Locking and unlocking lockers with a PIN code ► Close the locker door. ► Enter your PIN code. NOTE: The length of the PIN code can be defined in the configuration. ► Press the OK button (✓) or the button of the GL7p to confirm the PIN code. o The PIN code is checked. a) Valid PIN code: The LED flashes green briefly and the action (lock/unlock) is carried out.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation Locking and unlocking lockers with a data carrier ► Close the locker door. ► Press the button of the GL7p in using a data carrier for approximately 1 second. o The information on the data carrier is read. a) Valid data carrier: The LED flashes blue briefly and then green and the action (lock/unlock) is carried out. The time on the data carrier is checked and the current time written onto the data carrier.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 6.3.3 Free Locker Unique Number Mode “Free locker unique number” operating mode differs from the standard free locker mode in the following ways: - All MIFARE and ISO 15693 data carriers can operate with the lock. - The data carrier can have a GANTNER locker segment, however the segment is not used for this mode. - When a locker is locked with a data carrier, the locker number is not written onto the data carrier.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 6.3.4 Personal Locker Programming Card Mode For lockers operating in “personal locker programming card” mode, up to 32 data carriers and/or 32 PIN codes per GL7p can be authorized for use. These 32 data carriers and/or 32 PIN codes can be used with the locker as often as required and share the same authorization access, e.g., for use as family cards.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation ► You can repeat the last step using different PIN codes to program these successively. To do this, the PIN code must be entered within 5 seconds after confirming the previous PIN code. If you wait longer than 5 seconds, the reading process is terminated, and the PIN codes are saved in the lock. Deleting data carriers or PIN codes (= removing authorization) It is only possible to delete all authorizations in the GL7p at once.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation An unlimited number of data carriers (users) can use the same locker. The following conditions apply to the data carriers in this mode: - The same locker number must be stored on the data carriers. - The same expiry date must be stored on the data carriers. - The same index value must be stored on the data carriers.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 6.4 GAT ECO.Basic Set FD The following items are included in the GAT ECO.Basic Set FD (Part No. 1100550).
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation ► Press the locker door shut. ► Press the button of the GL7p in using the DELETE MASTER data carrier for approximately 1 second. o ► Remove the DELETE MASTER data carrier from the button. o ► When the data carrier is read correctly, the LED flashes green for 2 seconds. Remove the MASTER data carrier from the button. o 6.5.2 All MASTER data carriers are now deleted from the lock.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 6.5.5 BATTERY Data Carrier After the batteries are replaced in the GL7p, the lock must be set back to the normal operating mode using the BATTERY data carrier. The internal action counter is reset to zero when the BATTERY data carrier is used. See section “4.2.3. Replacing the Battery” for more information.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 6.6 Summary of GL7p Signalization The electronics of the GL7p are activated when the lock button is pressed in. The activation is signaled by the LED at the top of the GL7p (LED flashes blue). Immediately thereafter, the following lock states are signaled via the same LED and the integrated beeper.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation 7 CLEANING AND MAINTENANCE This chapter contains information for the cleaning personnel and service technicians responsible for the cleaning and maintenance of the GL7p locks and lockers. ATTENTION! The instructions described in this chapter may only be carried out by suitably trained personnel. The warnings in this chapter must be observed and followed during functional testing, cleaning, and maintenance. 7.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Operation ► ► Unlock the door. Depending on the type of lock (data carrier or PIN code), press the GL7p button in with a valid data carrier or enter a valid PIN code when the door is locked. o The locker door unlocks and must open without resistance. If the door or latch jams, re-adjust the door or latch (see below). o If the data carrier was not read, the RFID reading field may be misaligned and the range too small.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Technical Data 8 TECHNICAL DATA 8.1 Power Supply Power supply: 1 x 3.6 V lithium battery, type AA, capacity 2.4 Ah GANTNER approved battery: - Tadiran SL-860/S - Tadiran TL-4903/S (alternative) Battery lifespan: Up to 10 years* with 10 operations per day and +20 °C * depending on usage, configuration and ambient conditions 8.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Technical Data 8.4 Control and Display Elements Control element: Button Display element: - LED (multi-colored) to display the different operational states - Beeper 8.5 Mechanical Locking: Mechanical with motorized latch lock Break-in resistance: DIN 4547-2 8.6 Interface Interface type: USB 2.0 Interface connection: USB type Micro-B Wireless interface: - NFC (13.56 MHz) - Wireless (2.4 GHz) 8.
GL7p - Battery-powered, door-mounted electronic locker lock GL7p Technical Data 8.9 Dimensions 1. LED status indicator 2. Button (a = “unlocked”, b = “locked”) 3. Latch 4. Front part 5. Rear part 6. Mounting thread (M19x1) 7. Fixing nut 8. Spacer sleeve 9. Screw for anti-rotation protection 10. Battery compartment cover 11. Battery compartment key _ Note: This manual is valid as of 25th August 2020. It is subject to change. Amendments can be made without prior notice at any time! www.gantner.
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