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gearlord
Total Posts: 2
Joined 02-05-2012 status: Newcomer |
Figured I’d try this here, as I could not locate a Yamaha forum that specializes strictly in digital pianos.
I’ve owned a CP50 for several months now. Recently decided to audition some new, piano sounds that were sent to me.
Is anyone familiar with the ins-and-outs of CP50 bank / memory usage, or could possibly point me to a tutorial, perhaps ? Thanks much.... |
Bad_Mister
Total Posts: 36620
Joined 07-30-2002 status: Moderator |
When you SAVE a FILE on a CP5 or CP50, you can opt to save an ALL data file - this will Save the 120 Performances in your USER 1, USER 2, USER 3 banks plus, all the User Songs, and you Utility mode settings, the file will be given the extension .C5A in a CP5 and .C6A in a CP50. This file does not contain the EXT BANK data - which is handled separately. Additionally, you could opt to save the 120 Performances you’ve created and stored to the EXT Bank. You can write to this bank, only when you have USB stick connected. This Save function is more used to transfer an EXT Bank to a different USB stick. Although it is called an EXTERNAL BANK, it is really internal (inside the CP), it is called External because it depends on the external drive to backup/restore its data between power cycles. The following should be helpful ........ (EXTBANK.C6E = CP50  and  EXTBANK.C5E (CP5) are the designations for the so-called External Bank (120 Performances). These can be transferred from a USB drive to the volatile EXT memory Bank on-board the instrument. This Bank of 120 PERFORMANCES will disappear when the instrument is powered down. So you can keep one EXTBANK.CxE file in the root directory of your USB stick. When you attach the drive you will be asked if you want to Load the Ext Performances to the (internal) Ext Bank. – This file is automatically created by the CP5/50 whenever you insert a USB stick for the first time. It is written to the root directory of the drive. In addition to the 3 USER BANKS (120) on board Performances, you can have 3 EXTERNAL BANKS (120) that are transferred in via the USB drive.Â
Examples of how it is useful:
Example #2:
Each USB stick can contain 1 EXT BANK file.
Using it:
The EXT BANK is actually on board the instrument in volatile memory - this is why you must load it from the FILE each time. This is a file type that the CP5/50 makes by itself. Remember the CP5/50 will create an EXT bank automatically as soon as you insert a new USB stick, if the drive does not already have one. It has just “placeholder” init data in it. But you can write to it immediately, by overwriting the initialize data in each location.
How the EXT bank works:Â
When you insert a USB stick that contains a EXTBANK file on it, you will be asked if you wish to load it into RAM. Analogy: You are working on a word processor and you put a disk in the drive… you load your document in – it loads into RAM, volatile RAM. Your document will still be there and readable if you remove the source  drive, right? – of course. But your document is not backed up since you last removed the disk. The document is in limbo. If you were to power down now the document would disappear – RAM would be emptied. The backup is on the disk, which you can load next time you power up. Hope that helps. |
gearlord
Total Posts: 2
Joined 02-05-2012 status: Newcomer |
Thanks much, Bad_Mister ! I appreciate the tutorial; spot-on instructions, as usual.
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