User's Manual

1 DATECS DPP-450 User manual

5.4 Mounting belt clip

Using two screws.

5.5 Self-Test

• Holding <LF> button while power on for ~ 0.5 sec (first sound signal) – short self-

test.

The DPP-450 has a built-in test

pattern that shows the printer’s current

configuration as well as the various

resident printer fonts. The self-test can

also be used as a troubleshooting tool to

determine printing problems or battery

level. The steps below show how the

self-test is printed activated.