Yamaha GW10 Owner's Manual page 15

When using the T(YES) button, the effect programs and banks are
selected in order. After the last effect in a bank is selected, the GW10
advances to the first effect in the next bank, as shown here:
BLOCK
NO
WRITE
Bank 1
After reaching the last effect program, the GW10 "wraps around" to return
to the first effect program.
When using the M Pedal Switch, only the effect programs of
the currently selected bank are selected in order.
After reaching the last effect program, the GW10 "wraps around" to return
to the first effect program in the bank.
3
To select a different bank number with the M Pedal Switch,
hold down the Pedal Switch until the desired bank is shown.
As with effect program selection, after the last bank is selected, the GW10
"wraps around" to return to the first bank.
Bank/Program Indications
Bank No.
1
Program No.
Display
Bank No.
Program No.
1
Display
TYPE
YES
Bank 2
Bank 1 Bank 2
BANK BANK
both LEDs off green LED lit
1
2 3 4 5 1
3
2 3 4 5 1
Bank 3 Bank 4
Bank 3 Bank 4
BANK BANK
red LED lit both LEDs lit
2
2 3 4 5
4
2 3 4 5
11