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Krill Operational Guide.doc Page 1 of 7 08/26/2022

Document Number:

Document Title:

Krill Operational Guide

Revision Level:

8/26/2022

Original Created By:

M Harkins

Revised By:

M Harkins

ECO:

1. Scope

This document outlines the firmware operation for the Krill audio system.

2. Overview

The Krill audio system is a rechargeable battery powered Bluetooth Audio system. The unit is

charged with a custom 19VDC power adapter

3. Firmware:

The three firmware blocks used to program the P1.8 samples are:

4. Device Name:

When first looking to connect to the device with your phone, you will see Krill. Just select

and connect it.

5. User Interface:

The following is a description of how to operate the P1.8 units. Buttons have been reordered to

match the new layout shown below:

5.1. Turn On

Pressing and releasing the power button initiates the Power Up LED sequence. During the

power on Sequence the unit will play its custom power On sound.

Original Issue Date:

Date Effective:

Summary of content (7 pages)

PAGE 1
Document Number: Document Title: Original Issue Date: 8/26/2022 Original Created By: M Harkins Revision Level: A Date Effective: Revised By: M Harkins ECO: Krill Operational Guide 1. Scope This document outlines the firmware operation for the Krill audio system. 2. Overview The Krill audio system is a rechargeable battery powered Bluetooth Audio system. The unit is charged with a custom 19VDC power adapter 3. Firmware: 4. Device Name: 5.
PAGE 2
Document Number: Document Title: Original Issue Date: 8/26/2022 Original Created By: M Harkins Revision Level: A Date Effective: Revised By: M Harkins ECO: Krill Operational Guide 5.1.1. Power On LED Sequence When the Power/Play/Pause button is first pressed in the off state, the Power On LED sequence starts with lighting the Play/Pause button, it remains lit as a half second later the Concert Mode and Next buttons light up.
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Document Number: Document Title: Original Issue Date: 8/26/2022 Original Created By: M Harkins Revision Level: A Date Effective: Revised By: M Harkins ECO: Krill Operational Guide 5.3.1. Pause LED indication Pause is indicated by the Play button continuously turning on then off at a half second rate. 5.3.2. Play LED indication The play LED indication is the Play button being lit. 5.3.3.
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Document Number: Document Title: Original Issue Date: 8/26/2022 Original Created By: M Harkins Revision Level: A Date Effective: Revised By: M Harkins ECO: Krill Operational Guide 5.7. Concert Mode Concert mode is initiated by pressing the Vol+ and Vol- simultaneously for ~ 0.5 seconds. Master Mode: To initiate Concert mode, first have the unit that is to be the master Powered up and connected to a phone. Press and release the Concert mode button to initiate the master operation.
PAGE 5
Document Number: Document Title: Original Issue Date: 8/26/2022 Original Created By: M Harkins Revision Level: A Date Effective: Revised By: M Harkins ECO: Krill Operational Guide If the Master is powered down while in Concert Mode, the Slave units will play the masters power down Prompt along with the master. This should be fixed in next firmware release. 5.8.
PAGE 6
Document Number: Document Title: Original Issue Date: 8/26/2022 Original Created By: M Harkins Revision Level: A Date Effective: Revised By: M Harkins ECO: Krill Operational Guide 5.11. Audible Prompts Not all the audible prompts have been implemented. The ones that have need to have more work done on them. Current issues are getting the prompt to enunciate at the proper volume. With some of the prompts getting proper timing to the LED indications has been an issue.
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To assure continued compliance, any changes or modifications not expressly approved by the party.Responsible for compliance could void the user’s authority to operate this equipment. FCC Statement This equipment 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.