Agilent Technologies 4294A Service Manual download pdf (Page 155)

Chapter 11 155

Using HP Instrument BASIC

Keyboard

11. Using HP Instrument

2. Chapter Title 3. Chapter Title

4. Chapter Title

5. Chapter Title

BASIC

Numeric keys

The numeric keys are useful for entering numbers and operators. Simply typing an

expression in the command line and pressing the Enter key displays the result at the lower

left part of the screen.

[Enter] This key works the same as the [Enter] key.

[0]-[9] The numeric keys work the same as those on the front panel of the

4294A.

[Num Lock] This key has no effect. Pressing this key turns LED on or off, but the

numeric keys can be used for entering numeric values only.

Edit keys

[Insert] HP Instrument BASIC constantly runs in insert mode, so this key has

no effect.

[Shift]+[Insert] Pressing the [Insert] key while holding down the [Shift] key inserts a

new line just over the cursor-positioned line (effective in edit mode

only).

[Delete] Pressing this key deletes a single character over the cursor.

[Shift]+[Delete] Pressing the [Delete] key while holding down the [Shift] key deletes

the cursor-positioned line (effective in edit mode only).

[End] Pressing this key deletes the cursor-positioned line but leaves the line

number.

[Shift]+[End] Pressing the [End] key while holding down the [Shift] key deletes

characters from the cursor position to the end of that line.

[Home] This key clears the alpha screen. If you are in edit mode, this key exits

the edit mode.

Program control keys

Program control keys exert control over program execution.

[Pause/Break] Pressing this key or pressing the [F4] key while holding down the [Alt]

key temporarily stops program execution. If you carry out the key

operation

[System] - IBASIC - Continue on the front panel of the

4294A, the temporary stop is canceled.

Pressing the [F4] key while holding down the [Shift] key and the [Alt]

key together stops program execution. To resume executing the

program, carry out the key operation

[System] - IBASIC - Run on the

front panel of the 4294A.

[Ctrl]+[Pause/Break] Pressing the [Pause/Break] key while holding down the [Ctrl] key

resets program execution without erasing the program from memory

(BASIC RESET).

Pressing the [F5] key while holding down the [Alt] key temporarily

stops the execution of the program involved in I/O operation. If the

System hangs up during I/O operation, press the

[F5] key while

holding down the

[Alt] key instead of pressing the [Pause/Break] key

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