GB-2 HELPFUL HINTS:
RAM's and ROM's ...
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There are three different RAM(Random Access Memory) cards that you can use with your GB-2, and they each will hold a certain number of songs as follows:
•	DC-8  RAM ==> 15 songs max.
•	DC-16 RAM ==> 31 songs max.
•	DC-32 RAM ==> 63 songs max.
Songs that you create in the USER area (90-99) can be SAVED to RAM cards when your internal memory is filled.  Then you can CLEAR the USER songs and start over again.  Before a new RAM card can be used, it must be FORMATTED.  This sets the card up for receiving the data from the GB-2.  This only needs to be done once, for it erases EVERYTHING on the card and prepares it for song data—sort of like putting lines on a sheet of writing paper.  (NOTE: RAM cards have tiny lithium batteries in them.  This is what holds the memory on the card.  Make sure that your card has a battery before you FORMAT or SAVE any USER songs, or the card will not remember anything when you take it out of the GB-2.)  Once a RAM card is full, you may want to set the MEMORY PROTECT ON so that none of the files may be deleted or overwritten.  A song that is saved to a RAM card cannot be played until it is LOADED into one of the USER areas 90-99, however, this will overwrite the song data in that USER slot—so be sure to SAVE your work.  Once a song has been LOADED from a RAM card, you must press the EDIT button while that USER song is selected.  You can then press STOP to exit the editing mode.  (I know this doesn't make any sense, but the song will disappear from the internal memory when the power is turned off if you leave out this little step!)  All of the "button pushing" necessary for these operations is diagrammed on pages 26-30 in your GB-2 owner's manual.
GB-2 ROM(Read Only Memory) cards come with songs already programmed on them.  Because it is ROM memory, you cannot erase, overwrite, format, or otherwise alter this card—it's contents are permanent.  Unlike RAM cards, the songs on a ROM can be played directly without being loaded into the USER area simply by pushing the CARD button followed by the number of the song you wish to hear.  If there are more than ten songs (most have between 8 & 20) you just push the CARD button twice and it will switch from "C" to "c" and then select the number.  The purpose of these ROM cards is not just to provide you with familiar songs from your favorite artists, but also to allow you to create your own USER songs with the RHYTHMS, CHORDS, and BASS lines from these popular tunes.  When you're selecting the RHYTHM for your own song, dial beyond   "R# 47 Weding 4/4" and you will see all of the card patterns.  Press ENTER to select one and continue writing the CHORD changes for the song. 
THIS IS IMPORTANT!!!!!  If you try to play your USER song that was programmed with a ROM Card RHYTHM Pattern, and the ROM card is NOT in the slot, the GB-2 will substitute an internal pattern in the song!  

What this means to you is that you can:
•	create a USER song with a ROM card pattern
•	take out the ROM, put in a RAM card
•	SAVE your USER song to the RAM
•	go on vacation, come back, CLEAR the USER song's memory
•	LOAD the song from the RAM into a USER song
•	but, YOU MUST PUT THE ORIGINAL ROM BACK IN TO HAVE THE SONG PLAYBACK PROPERLY WITH THE CORRECT RHYTHM PATTERN!

Songs can remember that they are supposed to use a ROM card pattern, but they have no idea which ROM card was being used when the song was written.  This will be up to you to keep track of which ROM was used for each song if you are using patterns from a variety of cards.  By the way, during any of these operations, if you make a mistake, DON'T WORRY, because your original song data will still be intact.  It's simply a matter of loading the song into the GB-2's internal(USER) memory, removing the RAM, and inserting the appropriate ROM.  (REMEMBER: press EDIT while the song you have just loaded from RAM is selected, or the song will not be there if the power is turned off.)

Editing CHORDS ...
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Some confusion about Measures, Beats, and Steps has resulted from a typo on page #16 of your owner's manual.  Where it shows a picture of the screen with the letters "a - g" it should read:
b.	MEASURE (001 - 255) area
c.	BEAT (1 - 4) area
d.	STEP (0 - 47) area
The screen areas are labeled correctly in blue lettering on the clear plastic over the display on your GB-2.
Another typo occurs on page #19 in part "F".  It instructs you to dial or type in the number "48" for the STEP value.  This, as you may have found, is impossible.  The number to use is "47".  When you ENTER the "RET" in the CHORD ROOT/OTHER MESSAGES area, the display will indeed change to "48".
And speaking of STEP, just what is a step anyway?  STEPS happen in the space between BEATS.  Each BEAT is divided into 48 equal STEPS.  If the CHORD Pattern you've selected has chords that occur between the BEATS ("one-and -two-and-three-and-four-and"), you can insert your chord changes there by changing the step.  For instance, if a Dm7 chord happens on the "and" of BEAT 2, you would ENTER ...

•	001-2-24 Dm7
which is half way between BEATS 2 & 3.  All CHORDS and most OTHER MESSAGES can be written to any place in the MEASURE, with the following exceptions ...
•	STOP
•	Ending
•	RET
•	> 00
•	FILL1(2)
These messages MUST come at the End of a bar(MEASURE) -- that means STEP would be "47" as in the example with "RET" above.  All other MESSAGES can be placed anywhere, which your manual (p.20-21) refers to as "Free (in steps)".

Intros, Endings, and Transposing ...
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You may have noticed when programming your own tunes that the intros and endings seem to play in the wrong key with your song.  This is because all of the intros and endings are written into the GB-2 in a particular key for the RHYTHM pattern you've chosen.  Your song may be in the key of "C", but the INTRO/ENDING plays in "D"!  This can be quite a surprising (and non-musical) event as you're playing along.  There is, however, a clever way around this.  Given the example above (where the INTRO/ENDING plays in "D" and your song is in "C") you could program the entire song in the key of "D" (same as the intro/ending) and use TRANSPOSE set at "-2" when the song plays.  This way, all the parts (intro, your song, and ending) will play in the key of "C".  You only need to worry about this if you plan to use the built-in INTROS and ENDINGS with your USER song.