Tektronix 071-0590-00 user manual Instruments Equipped with 1-Mbit Option

Reference

3.If you need to change WORD length, press the WORD LENGTH key and then the pattern up or down key to toggle WORD length between 8 and 16 bits. When the desired WORD length is displayed, press the WORD key to return to the WORD editing mode.

4.To select the first or second byte in a 16-bit pattern, press the up or down key. The selected byte will be indicated in the display by an arrow located between the two bytes. Byte selection is not required for 8-bit patterns because the first byte is always selected.

5.To edit the selected byte, press the 1 (MSB) through 8 (LSB) bit keys to toggle individual bits between 0 (LED off) and 1 (LED on).

6.If you need to edit the other byte in a 16-bit pattern, repeat steps 4. and 5.

Instruments Equipped with 1-Mbit Option

Use the following procedure to create WORD patterns using front panel controls in instruments that are equipped with the 1-Mbit Option:

1.If you are using a previously saved pattern as the basis for the new pattern, recall this pattern from memory. (See Recalling Word Patterns).

2.Press the WORD key. The LED in the WORD key will turn on to indicate that the instrument is in the WORD editing mode. The selected byte in the current pattern will be displayed in the form AAAAA HH, where AAAAA is the byte's location or "address" within the current WORD in decimal, and HH is the value of the selected byte in hexadecimal. Byte address will be in the range 0, 1, ..., 8192 when BUFFER size is set to 64k or 0, 1, ..., 16384 when BUFFER size is set to 128k.

3.If you need to change WORD length, press the WORD LENGTH key and then the pattern up/down keys. Pattern lengths of 2048 bytes or less will be displayed in terms of M bytes plus N bits. Pattern lengths above 2048 bytes will be displayed in terms of bytes only. When the desired WORD length is displayed, press the WORD key to return to the WORD editing mode.

4.To select a byte within the current pattern, use the pattern up/down keys to increment or decrement the displayed byte address.

5.To edit the selected byte, press the 1 (MSB) through 8 (LSB) bit keys to toggle individual bits. Note that the LED in each bit key indicates whether the associated bit equals 0 (LED off) or 1 (LED on).

6.Repeat steps 4. and 5. until the WORD has been edited as required.

You have now created a new WORD pattern and may use it to perform tests. The current pattern is automatically stored in battery-backed memory. However if the new pattern is important, be sure to save it before creating or RECALLing another pattern.

See an additional list of remote commands in the Appendix that support the 1- Mbit Programmable Word option.

3-6 GB1400 User Manual