VX-8DR / Sql Type disabled on radio
With APRS engaged, Sql-Type cannot be changed for Band B from the face of the radio. Band A functions normally.

This option is engaged from the face of the radio using the APRS menu. To get to the APRS menu, press the Menu button briefly to enter APRS mode. Then press and hold the Menu button to enter the APRS menu. Turn to item 4 APRS Modem.
Press Menu again to activate the item for change. Change to Off.

In the programmer, Settings | Radio Menu Settings | APRS/GPS tab | APRS Modem (next to last column at top).