Extended ACCEPT and extended DISPLAY statements do not run on remote workstations attached to 5251 Model 12 controllers.
The EXTDSPOPT(*NOUNDSPCHR) parameter in the CRTCBLMOD or CRTBNDCBL command allows you to use extended ACCEPT and extended DISPLAY statements at remote workstations attached to 3174 and 3274 controllers, provided that your data does not contain undisplayable characters. The CLEAR and HELP keys cannot be used to accept data when using remote controllers.