PA1 is a very important key for TSO users and every user should know how to find it on the keyboard. Back in the early days, the "real" 3270 terminals had keys labeled PA1, PA2, and …

The PA2 key (or its equivalent) and PF keys have special meanings when in the HELP Facility. This section provides details on the settings for each key. As you use the PF keys, you will …

2005年9月2日 · The PA1 key may be used to interrupt a process, such as an executing program. ThePA2 key is used to refresh the screen within ISPF. The CLEAR key is used to clear the …

Key Functions and Keyboard Setup. This chapter contains information about keyboard setup and customizing mapped key functions. Default Key Function Assignments. This section lists the …

JET 3270 will also map from a key combination that generates a graphic character (for example, letters, digits, punctuation and the space) to the 3270 key for that graphic character. The Alt …

通过比较指令编码的关键位与key的值，使用掩码mask确定哪些位需要匹配，然后根据shift的值从指令编码中提取出关键位的值，我们可以进行指令的匹配和译码操作。

2024年7月25日 · 如果PA2引脚没有正确配置内部上拉或下拉电阻，或者配置的上拉/下拉电阻强度不足以稳定电平，那么按键输入可能会不稳定或无法被正确识别。 这个不好说，那你换个IO …

The PF Key Assignment Menu displays the current settings of PF keys 1 through 24 and the PA2 key. You can alter these settings directly from this panel.

2008年6月2日 · The "PA" keys are Program Attention keys, and are defined by whatever program you are running. For example, under TSO, PA1 will interrupt a command, and PA2 will …

Type the Keys (PF12) command on any menu to display a list of PF key assignments. Learn how to use Verify for CICS commands that apply to all functions.