Whenever there is a printer problem (for instance, when the printer is Off-Line and you are attempting to print) this lamp will turn on and a beeper (in the PTC-64) will sound eight times. The printer controller will not print or accept data until the fault condition is solved. After the condition is solved, the controller will continue printing where it left off.
This key serves a dual purpose:
When the controller is inactive (Status Lamp is OFF), it marks the PTC-64's buffer memory to indicate the starting point for printing and clears any previous buffer contents.
When the controller is active (Status Lamp is ON in any of the three colors), the (clear) key simply aborts any printing in progress. The information in the buffer remains intact. To start printing again, you must press the (COPY) key. Printing will then start from the beginning of the buffer. To erase the information in the buffer, press (clear! a second time.
The (clear) key function can be duplicated by sending the PTC-64 the control sequence 27 33 in decimal. From BASIC this could be done with:
If the (clear) key was used to mark the PTC-64 buffer starting point, the PTC-64 will print one copy of the stored information when you press the (copy) key. If the text exceeds the buffer size, the (copy) key is ignored.
For printing multiple copies, you may also "stack" up to 100 (copy) requests by pressing the (copy) key repeatedly. Printing of the multiple copies will stop if you press the CTJL EAR) key.
For the PTC-64 to make multiple copies of information, all of the information must fit the PTC-64's buffer.
The (copy) key function can be duplicated by sending the PTC-64 the control sequence 27 34 in decimal. From BASIC this could be done with:
Pressing this key will temporarily interrupt any printing. Pressing (pause! a second time will cause printing to resume. If you press (pause) before sending any information to the PTC-64, the printer controller will accept information from the computer but printing will not start until you press (pause) the second time.
The rFXirgT") key function can be duplicated by sending the PTC-64 the control sequence 27 37 in decimal. From BASIC this could be done with:
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