Verifying The Version; Data Backup And Restore Operations; Performing A Factory Reset - Boss GT-100 Service Notes

Cosm amp effects processor
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Mar. 2012

Verifying the Version

1.
Hold down EFFECT and SYSTEM, and press and hold POWER.
The version information is displayed on the LCD screen on the left.
Ver:
Program version
Rev:
Program revision (can be ignored)
Update program version (can be ignored)
UVer:
2.
Press and hold POWER to turn off the power.
Data Backup and Restore
Operations
To save user data, perform a batch send (Bulk Dump) to an external
MIDI device (such as a computer on which a sequencing program is
installed and set up). Similarly, to load user data back into the unit,
perform a batch receive (Bulk Load) from the external MIDI device.
* The following parameters cannot be backed up.
Pedal Calibration value
After servicing or inspection, use the SYSTEM menu's PEDAL
CALIBRATION (Owner's Manual page 36) or the Test Mode's
7. INTERNAL EXP CHECK to set a suitable value.
LCD Backlight/Contrast Calibration value
After servicing or inspection, use the Test Mode's 3. LCD to set a
suitable value.
Items Required
• External MIDI device capable of correctly sending and receiving MIDI
exclusive (SysEx) data
• MIDI cable
Backing Up Data (Bulk Dump)
1.
Connect the MIDI OUT connector on the GT-100 and the MIDI IN
connector on the external MIDI device.
2.
Put the external MIDI device into standby for receiving MIDI exclusive
data.
3.
On the GT-100, press SYSTEM.
4.
Turn knob 4 to move the cursor to B.DUMP.
fig.dump-1.eps
14
5.
Verify that the LCD screen on the right shows a display like the one
below.
fig.dump-2.eps
If a display like the one above is not shown, turn knobs 5 and 8 until a
display like the one in the figure above appears.
This specifies the parameters from SYSTEM to TEMP—namely, all user
data (SYSTEM, QUICK, U01-1 through U50-4, and TEMP)—as the target
for backing up.
6.
Press WRITE.
Data transmission starts. While data sending is in progress, the message
BULK DATA SENDING... is displayed on the GT-100's LCD screen.
When sending of the data ends, the message COMPLETE appears.
Restoring Data (Bulk Load)
1.
Connect the MIDI IN connector on the GT-100 and the MIDI OUT
connector on the external MIDI device.
2.
Send the bulk data from the external MIDI device (by performing
playback using the sequencing program).
* No particular operation on the GT-100 is required.
While data receiving is in progress, the message BULK DATA
RECEIVING... is displayed on the GT-100's LCD screen. If nothing is
received, verify that the GT-100's device ID is the same as when the bulk
dump was performed.
When the receipt of data ends, the BULK DATA RECEIVING... message
disappears.

Performing a Factory Reset

* Performing a factory reset causes customer setting data to be lost. If necessary,
make a backup. (Refer to Data Backup and Restore Operations (p. 14).)
1.
Press SYSTEM.
2.
Turn knob 4 to move the cursor to FACTORY RESET.
3.
Turn knobs 5 and 8 to specify the range of parameters for the factory
reset (FROM and TO).
Knob
Parameter
5, 8
FROM, TO
4.
Press WRITE.
A confirmation screen appears.
5.
Press WRITE again.
A factory reset is executed.
* To cancel, press EXIT.
GT-100
Setting value
Description
SYSTEM
System parameters
QUICK
User Quick Settings
Patch numbers
U01-1—U50-4
U01-1—U50-4

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