Table of Contents Welcome to the A20-Remote App for Astral Transmitters........................3 Interface Overview....................................4 Manage Devices..................................... 7 Device List......................................10 Device View......................................14 Group Control......................................20 Group Control View..................................20 Group Setup....................................22 Frequency Authorization..................................23 Warranty........................................24 A20-HH User Guide...
Welcome to the A20-Remote App for Astral Transmitters A20-Remote is an application for Android/iOS mobile devices designed to wirelessly remote control individual or groups of Astral A20 (A20-HH, A20-TX, and A20-Mini) transmitters. A20-Remote also pairs with Astral Receivers (A20-SuperNexus, A20-Nexus, and A20-Nexus Go) to allow easy setting of country, authorization of restricted frequencies, and synchronization of date/time across all Astral devices.
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1: Device List Lists all paired and enabled devices (Astral transmitters and receivers) and transmitter groups. The list order can be changed by dragging a device vertically to a new position in the list. Only Devices that are enabled in the Manage Devices view appear in the Device List.
Manage Devices Manage Devices is the first page displayed when launching the A20-Remote app if no Astral devices have been paired to the mobile device. Access the Manage Devices list by tapping the Gear icon at the top of the Device List. Manage Devices displays all Astral devices within range that are in Pairing mode and any that have been previously paired to the mobile device.
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Enabling an Astral Device for Control From the A20-Remote Manage Devices view, enable an Astral device by toggling on the Enable switch. Enabled devices are added to the Device List and can be controlled from A20-Remote. Since only one mobile device can be used to control an Astral device at a time, be sure to disable the Enable switch prior to handing over control from one mobile device to another.
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User Guides Tap to open the User Guide selection view with links to the Astral transmitter User Guides. Frequency Authorizations The Frequency Authorizations menu allows the unlocking of restricted frequencies that require proof of a valid license before they can be used. See Frequency Authorization for more information.
Device List The Device List is a scrollable list of all paired and enabled devices (Astral transmitters, Astral receivers) and transmitter groups. Each Astral device is listed with a high-level view of its status. In the case of an Astral transmitter, status includes the transmitter’s name, RF frequency, Bluetooth connection status and RSSI meter, battery level/charging status, Group assignment, and an Astral transmitter status indicator that displays the Astral transmitter’s power, audio presence/mute, record, RF transmission, and ID state.
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Astral Transmitter Status Indicator Icon Icon Description (A20-Mini (A20-HH) A20-TX) The Astral transmitter is on. Recording The Astral transmitter is recording. Transmitting The Astral transmitter is transmitting. Audio Presence Audio signal is present. Mic Muted The Astral transmitter is muted. Identify Mode The Astral transmitter is being identified using the ID command from A20-Remote or an Astral receiver.
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Custom Group Indicator The Custom Group indicator is displayed next to the transmitter icon when the Astral transmitter is a member of the custom group. See Group Control for more information. Bluetooth Signal Strength Indicator Displays the signal strength of the Astral transmitter Bluetooth signal received by the mobile device. The Bluetooth meter border is red when the mobile device is not communicating with the transmitter.
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Device Name Displays the name of the Astral device. The serial number is the default name. If the device is a transmitter, its name can be changed in the Device View. Transmitter Timecode Displays the timecode values in hours:minutes:seconds:frames of the connected transmitter. This allows you to quickly see that the connected Astral transmitters are running the same timecode.
Device View Tap a device in the Device List to select its Device View. The Device View displays detailed information, controls, and menus for the selected Astral device. The settings displayed are dependent on whether the device is an Astral receiver or Astral transmitter. A20-HH User Guide...
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Quick List (Phone Only) The Quick List (located at the top of the view) is a horizontally scrollable list of all enabled Astral transmitters along with their Status indicator and transmitter name. Touch a transmitter in the Quick List to display its Device View. Tap the back arrow to exit back to the Device List.
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Icon Description Transmitter Power On Touch the Power ON button to power the Astral transmitter on. The button is black when the transmitter is off and green when on. Transmitter Power Off Touch the Power OFF button to power the Astral transmitter off. The button is gray when the transmitter is off and black when on.
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Transmitter Settings (A20-Mini, A20-TX, A20-HH) The table below details the various transmitter settings that are displayed beneath the Transmitter Status window in the Device View. Settings are dependent on the type of Astral transmitter. Name While in the Device View, touch the Name button and use the pop-up QWERTY keyboard to rename the transmitter. Up to twelve alphanumeric characters can be used for the transmitter’s name.
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Information Displays the recommended antenna and TV Channel (where applicable) of the set frequency, the Astral transmitter’s firmware version and serial number, and compliance documentation for local government requirements, if applicable. Options The Options menu provides access to less frequently changed transmitter settings: ●...
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● Battery Type (A20-Mini Only) Select whether a Battery Doubler is in use of not. ● Normal Battery ● Battery Doubler ● Battery Chemistry (A20-TX Only) To ensure accurate battery level threshold monitoring (green, orange, red, flashing red, and shutdown voltage), set the chemistry to match the type of battery being used.
Group Control Multiple Astral transmitters can be controlled as a group from the A20-Remote app. Group Control drastically simplifies the workflow and saves time when changing settings of multiple Astral transmitters. Two groups are available: The ‘All Transmitters’ group for controlling all enabled transmitters and a ‘Custom group’ for controlling a select user-defined group of transmitters.
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Group Stop Tap the Group Stop button to stop recording on the group of Astral transmitters. The button is yellow while stopped and black when recording. The button is gray when recording is not permitted. Partial Partial is displayed in between the ON and OFF buttons and in between the Record and Stop buttons when there is a mismatch between transmitters in the group.
Group Setup Navigate to Manage Devices > Group Setup to change group options and create a custom group. Show “All Transmitters” Group in the Device List When active, the All Transmitters group is displayed and accessible from the Device List. Deactivate to remove the All Transmitters group from the Device List.
Sound Devices encourages all wireless operators to obtain a Part 74 license, and specifically to make sure applicable parts of the 600 MHz and 950 MHz range are included with their license application. This can help show an operator is aware of the available spectrum and is utilizing it responsibly.
Warranty Sound Devices, LLC warrants the items listed above against defects in materials and workmanship for a period of ONE (1) year from date of original retail purchase. Users who register their product directly with Sound Devices Technical Support using the online form or by phone, will receive an additional ONE (1) year of warranty coverage, extending the complete warranty period to TWO (2) years from the date of original retail purchase.
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