Datamax-O'Neil Class Series Programmer’s Manual - Manual (Page 82)

Extended System-Level Command Functions
Class Series Programmer’s Manual 68
(FM) Feedback Mode – See <STX>a
for command details.
(FS) Slew Speed – This command controls the rate of label movement between printing areas
when the GPIO port is used; see Appendix L for ranges.
(GE) GPIO Equipped – This command is used to interface the printer to external controlling
devices (see Appendix J):
Value Units / Interpretation GPIO Enable Definition
A Applicator Enables the GPIO for a label applicator.
V Verifier Enables the GPIO for a bar code verifier.
N Disabled Disables the GPIO Port.
(GM) Gap / Mark Value – This command sets threshold value for the media sensor’s ‘gap /
mark’ parameter.
(GR) Gain Reflective Value – This command sets the sensitivity of the reflective media sensor.
(GS) GPIO Slew – This command sets the GPIO slew function and control:
Value Slew Interpretation
0 Standard (Active Low)
1 Low Pulse *
2 High Pulse *
3 Slews while low (Active Low)
4 Slews while high (Active High)
* Pulse must be at least 60 milliseconds in length. Functions as if pressing the Feed Key, clearing
alarms and advancing media.