PowerBox Systems MERCURY SR2 Instruction Manual
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PowerBox Systems MERCURY SR2 Instruction Manual

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INSTRUCTION MANUAL
10/2022
P0WErB0x
mErcury Sr2

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  • Page 1 INSTRUCTION MANUAL 10/2022 P0WErB0x mErcury Sr2...
  • Page 2 SR2 is your first choice when you need a small, high-performance power supply unit with maximum functionality. All the features which are usually the preserve of the larger power supply units are present in the compact PowerBox Mercury SR2: iGy- ro, servo matching, unrestricted channel assignment and even a door sequencer: it...
  • Page 3 For PowerBox and Jeti pilots it is possible to control and adjust virtually every* as- pect of the PowerBox Mercury SR2 from your transmitter! Full telemetry for battery and receiver data is present for all supported systems *With the exception of the door sequencer and Setup Assistant...
  • Page 4 2.INSTALLATION, CONNECTIONS a) Mounting The PowerBox Mercury SR2 should be mounted in the model on a robust sub-struc- ture using the four screws, rubber grommets and brass eyelets supplied in the set. The installed location is not important, but if an iGyro SAT is to be used, the sensor must be installed perpendicular to the model’s centreline.
  • Page 5 Box. b) Receivers Once you have installed the PowerBox Mercury SR2, the screen and the switch, it is time to connect the receivers. In principle all SRS PowerBox systems are totally reli- able when used with a single receiver. However, in view of the low cost of a second receiver compared with the value of the model, we always recommend installing a second receiver.
  • Page 6 • Spektrum SRXL 2 Connect one or two SPM4651T satellites to the PowerBox Mercury SR2 using the optional adapter lead set (#9192). If only one receiver is to be used, it must be connected to RX1 to provide telemetry transmission. At the transmitter you will now see the battery data displayed under PowerBox Sensor.

  • Page 7: Switching On And Off

    It is possible to use 2S LiPo, 2S LiIon, 2S LiFePo or 5S NiMH batteries with the Mercury SR2. We recommend that you use our PowerPaks, which feature integral charge electronics. The fundamental rule regarding battery size is that one battery on its own should be capable of powering the model reliably.
  • Page 8 The OLED screen now displays the following image: Analogue and digital battery voltage display. The scale of the analogue display is matched to the battery type you have selected. The supplementary digital display states the exact value. Digital current display: shows the current which is drawn from each battery individually.
  • Page 9 4. MAIN MENU To access the menu you need to hold the SET button pressed in for about 2 - 3 se- conds, after which you can select the desired menu using buttons I and II. Press the SET button once you have selected a menu point. You can now alter the values and settings using buttons I and II.

  • Page 10: Basic Settings

    • Basics This menu is used to alter fundamental settings such as the language or frame rate. • Assistent Always use the Setup Assistant when you are preparing a new model for its first flight. This is where the transmitter input channels are determined, the model type selected, and the servos assigned to the outputs.

  • Page 11: Setup Assistant

    • Regulator output Hier stellen Sie die Ausgangspannung ein. Sie können zwischen 6.0V und 7,8V wählen. Bei HV Servos empfehlen wir die 7,8V Option: Damit haben Ihre Servos nach dem Einschalten eine längere Zeit konstantes Drehmoment und Geschwindigkeit. Die kurzzeitig höhere Spannung der Akkus nach dem Laden wird auf ein Niveau her- abgesetzt, welches der Akku länger halten kann.
  • Page 12 All assignments are already complete, and even the servo matching is maintained. Note: When setting up the PowerBox Mercury SR2 for the first time, please Note: When setting up the PowerBox Mercury SR2 for the first time, please keep to keep to this sequence: this sequence: Setup Assistant (basic setup) –>...
  • Page 13 On the next screen you enter the number of servos you wish to assign to individual control surfaces. The Assistant supports a maximum of three servos per control surface. This means: if your model is fitted with overall four aileron servos, enter 4 behind ailerons.
  • Page 14 Once you have assigned the Gain control, press Continue to confirm your choice. If no iGyro SAT is connected, this concludes the Setup Assistant. If an iGyro SAT is connected, the next step is to establish the installed orientation of the iGyro SAT: This is accomplished by moving the model in the directions shown in the graphic display: first move the tail of the model up and down two or three times.
  • Page 15 Note: At any time, you can repeat the procedure in the Gyro menu for setting the direction of effect and the end-points. This is absolutely essential in any case if you adjust the travels or directions of effect of the primary functions while you are setting up the model.
  • Page 16 • Start Matching Select this menu point if you want to adjust the travel of the selected servo ma nually using five points. The PowerBox Mercury SR2 switches to this display: PowerBox-Systems − World Leaders in RC Power Supply Systems...
  • Page 17 How does auto matching work? The PowerBox Mercury SR2 is fitted with the latest generation of micro-control- ler which is capable of measuring the current drawn from both batteries extre- mely quickly and precisely. The values for measured current are used to match two or three mechanically linked servos to each other.
  • Page 18 Connect the servo, and set the centre and travel at the transmitter. Initialize the servo with maximum travels. Now select Auto Matching. At this moment all the PowerBox Mercury SR2’s other outputs are switched off, and you will see this screen: Now connect the second and - if present - the third servo to the appropriate out- puts, and complete the mechanical linkages.
  • Page 19 8.DOOR SEQUENCER The PowerBox Mercury SR2 incorporates a fully programmable door sequencer. This feature enables you to control the entire process for retracting and extending the undercarriage and wheel doors using a single channel at the transmitter.
  • Page 20 • Switch position Here the screen shows directly the current position of the assigned channel. If this position does not coincide with your preferred transmitter switch position, you can correct it at the transmitter using servo reverse. • Switched channel At this point you should define which transmitter channel is to be used to switch the sequencer.
  • Page 21 • Setup Assistant As already described, the Setup Assistant prepares all the functions in the model in accordance with your requirements. The system learns all the door positions and the retract control system. After this, the Assistant assembles these posi- tions in accordance with your selected mode (1-2-3 - see next page) in a timed sequence.
  • Page 22 - Mode 3: Extension: all wheel doors open – undercarriage extends – all wheel doors close Retraction: all wheel doors open – undercarriage retracts – all wheel doors close • Number of wheel doors Enter the number of doors. If all the wheel doors are to be operated by a single val- ve, enter a 1 at Number of front doors, and leave the Number of rear doors vacant.
  • Page 23 PowerBox Mercury SR2. Starting with A the Assistant searches for outputs which have no special functions – i.e. Direct xy outputs, which are not assigned to a gyro or other sequencer function.
  • Page 24 b) Manual Setup You will find an overall view of the sequence for the selected function in the main Sequencer menu. The upper line shows the sequence in the forward direction (extension), the lower line the reverse sequence (retraction). In Manual Setup you can set four travel points in time and position for each fun- ction;...

  • Page 25: Output Mapping

    9. OUTPUT MAPPING Output Mapping enables you to assign servo sockets to the transmitter channels and the gyro and sequencer functions. All 16 outputs can be assigned, and there are no restrictions. For example, output A can be direct channel 5 from the transmitter, or a door sequencer function. It is also possible to assign one function to multiple outputs.
  • Page 26 Idle position. If you are using a PowerBox radio system, the Failsafe settings are adopted from the transmitter; this overwrites any Failsafe settings which you select at the PowerBox Mercury SR2. PowerBox-Systems − World Leaders in RC Power Supply Systems...

  • Page 27: Input Mapping

    10. INPUT MAPPING The Input Mapping menu is used to assign the channels coming from the transmit- ter to functions such as Gyro, Sequencer or capacity reset. The assignment process is carried out by the Setup Assistant and the Sequencer Assistant.
  • Page 28 The iGyro menu requires an iGyro SAT connected to the FastTrack input of the Po- werBox Mercury SR2 as sensor unit. An optional GPS III or PBS-TAV also connec- ted to FastTrack - can be used to provide speed compensation for gyro gain.
  • Page 29 stick is moved, Attitude Assist is disabled, and the model ‘feels’ perfectly normal. Once the Setup Assistant has been completed, Attitude Assist is active on aileron in range B by default. • Characteristic Changing this value hardens and softens the regulatory behaviour of the iGyro. If the model appears to respond too abruptly in gusty conditions, you should chan- ge the value in the direction of Soft.
  • Page 30 The orientation of the gyro is established by moving the model in the directions shown on the screen: to ensure that detection is absolutely reliable, move the tail of the model smoothly up and down several times before holding the tail up until the elevators return to neutral.
  • Page 31 12.GYRO SETTINGS – BEFORE THE FIRST FLIGHT It is absolutely essential to carry out Point 12 if you have installed an iGyro SAT. You must also complete the following points before you start fine-tuning the iGyro in flight: Settings in the General Settings menu Setup Assistant completed –...
  • Page 32 This is used to set the optimum gyro response for the vector function in a separate test-flight. Gyro gain for thrust vector control generally requires a value higher than 100%. Since the PowerBox Mercury SR2 features integral gain controls for each individual gyro function, it is possible to implement different flight modes at the transmitter with no great effort.

  • Page 33: Technical Data

    85 g Weight, Sensor-Switch 15 g Temperature range -30 °C bis +75 °C 14. SET CONTENTS - PowerBox Mercury SR2 - OLED-Display - SensorSwitch - 2 patch-leads - 8 retaining screws - 4 rubber grommets and brass sleeves - Operating instructions...

  • Page 34: Service Note

    17. SERVICE NOTE We make every effort to provide a good service to our customers, and have now established a Support Forum which covers all queries relating to our products. This helps us considerably, as we no longer have to answer frequently asked questions again and again.

  • Page 35: Liability Exclusion

    For this reason we deny liability for loss, damage or costs which arise due to the use or operation of the PowerBox Mercury SR2, or which are connected with such use in any way. Regardless of the legal arguments employed, our obligation to pay damages is limited to the invoice total of our products which were involved in the event, insofar as this is deemed legally permissible.
  • Page 36 10/2022 PowerBox-Systems GmbH Ludwig-Auer-Straße 5 86609 Donauwörth Germany +49-906-99 99 9-200 www.powerbox-systems.com...

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