**************************************************************************
*                                                                        *
*                          STERN PINBALL, INC.                           *
*                 (C) COPYRIGHT 2020 STERN PINBALL, INC.                 *
*                                                                        *
**************************************************************************
*                                                                        *
*                            STRANGER THINGS                             *
*                                                                        *
**************************************************************************

HELP US, HELP YOU!  If you have any suggestions, questions, need technical
advice, find errors or have comments, contact us through our website:

        http://www.sternpinball.com/contact.shtml

or call 1-800-542-5377.  You can also email bug.report@sternpinball.com to
report any software problems.

This text file and all other documents relating to this product, playfield
components, features, rules, programming and operation are subject to change
without notice (Service Bulletins, if applicable, available through our
website).

Installation notice:
The code release is in ZIP format.
The code download will need to be unzipped before installing on a USB stick.

Update instructions:
Download the zip file.
Unzip the file; this will create a folder that contains file(s).
Open the folder, copy the file(s) to the root level of a USB stick.  (Do not
copy the folder.)
Power the game off.
Insert the USB stick.
Turn the game on.
After the game boots up, there will be an option for software update.
The volume buttons change options for full or quick update.  The enter button
selects the option and starts the update.
Once the update is completed, turn the game off and remove the USB stick.
Turn the game on and the game will be running the new code.

PRO V0.81.0 - January 8, 2019
=====================

 -  Added Game Pricing and Credits to the attract mode display effects.
 -  Added logic to force the screen ramp to the lowered position during a
    Demogorgon Kill sequence.
 -  Fixed a bug where the player scores display overlay would temporarily 
    not be drawn.
 -  Now Telekinesis Multiball is disallowed from starting whenever a wizard mode
    is ready to start, i.e. Total Isolation Multiball(s), Send it Back, Light the Fire
    and Final Showdown.
 -  Added adjustments to change the power to the Left & Right Flipper.
 -  Reorganized the order of game adjustments.
 -  Renamed the lockdown bar button adjustments.
 -  Changed the criteria for when Upside Down HurryUp starts.
 -  Changed Chapter modes score contribution to bonus.
 -  Added lamp effects for hitting/killing a Demogorgon.
 -  Added shaker motor FX for killing a Demogorgon.
 -  Fixed Lure Dart award lightshows.
 -  Fixed a display glitch that appears on the first frame of the Follow the Compass
    background display effect.
 -  Improved animation speed of Alphabet Wall letters.
 -  Fixed Monster Hunting Total text.
 -  Removed unused audits.
 -  Updated audit text for Trap'Em.
 -  Fixed a bug where the Follow the Compass and Lure Dart background display
    effects stopped playing overlaid display effects.
 -  Updated Title Text on the Send it Back Intro display effect.

 -  Updated to node board firmware v0.55.0
 -  Added UTIL->VOL Adjustment "SELECT AUDIO FILTER".  Values are:
    "NONE", "HIGH/LOW SHELF", and "10 BAND EQ".  Default value is "HIGH/LOW SHELF".
    "NONE": No filtering will be performed on the audio output.  Useful when using
    the Line Out as input for an external device.
    "HIGH/LOW SHELF": A High/Low Shelf Filter is applied to the audio output.
    The Bass Frequency can be set to: 125Hz, 250Hz, or Disabled.
    The Treble Frequency can be set to: 4KHz, 8KHz, or Disabled.
    The Gain can be set to -12dB .. +12dB
    On Spike 2 the Shelf Frequency and Gain can be set independently for the
    Back Box and Cabinet speakers.
    "10 BAND EQ": A full 10 Band EQ is applied to the audio output.
    Sliders are used to adjust the Gain of a specific range of frequencies.
    The Frequencies are: 31Hz, 62Hz, 125Hz, 250Hz, 500Hz, 1KHz, 2KHz, 4KHz, 8KHz, 16KHz.
    The Gain curve has a 60dB dynamic range across the -120 .. +120 Slider settings.
    On Spike2 the Gain can be set independently for the Back Box and Cabinet speakers.

PRO V0.75.0 - December 30, 2019
=====================

 -  Changing revision number to sync with LE/PRE rev level.  
 -  Added new Demogorgon Kill SFX to Bust Out.
 -  Added new Demogorgon Kill SFX to Trap'Em, Trap'Em Super Jackpot.
 -  Added new Demogorgon Kill SFX to What's That.
 -  Added new Demogorgon Kill SFX to Run Will, Run Will Super Jackpot.
 -  Added new Demogorgon Kill SFX to Can't Stop This, Can't Stop This Super Jackpot.
 -  Added Send it Back Intro SFX.
 -  Added Light the Fire Intro SFX.
 -  Added new Send it Back Intro display effect.
 -  Added new Light the Fire Intro display effect.
 -  Added new Final Showdown Intro display effect.
 -  Added Bullies award speech.
 -  Changed the volume of the Bullies award SFX.
 -  Changed/Raised the speech volume for all speech .wav files.
 -  Added speech for finishing Morse Code.
 -  Added Progress meter to Quarter Hunt.


PRO V0.64.0 - December 26, 2019
=====================

- Notes coming soon.