How To Roll Data - HP 1652B Getting Started Manual

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To move the underscore marker to the right, you either place the

cursor on a desired character and press SELECT, or place it on the

right arrow and press SELECT.

You can also use the ROLL keys and the KNOB to move the

underscore marker. To use this alternate method press the left/right

ROLL key and rotate the KNOB until the underscore marker is under

the desired character. To return the KNOB to controlling the cursor's

movement, press the left/right ROLL key again or press SELECT.

If you want to erase the entire entry and place the underscore marker

at the beginning of the name box, press the CLEAR ENTRY key on

the front panel.

If you want to replace a character with a space, place the underscore

marker under that character and press the DON'T CARE key on the

front panel.

To roll data, you press either the left/right or up/down ROLL keys and

rotate the KNOB. The roll function is only available when there is more

data in the menu than can fit on screen. If there is off-screen data,

pressing the ROLL keys causes an indicator to appear in the upper left

corner of the display and activates the roll function of the KNOB. If

there is no off-screen data, the indicator will not appear.

Figure 3-9. Roll Function Keys

One example of a menu with off-screen data is the STATE LISTING

menu. The state listing can contain up to 1024 lines; however, the

display is only capable of showing you 16 lines at a time. To roll the

off-screen data, press the up/down ROLL key and then rotate the

KNOB to view the off-screen data.

Using the Front-Panel User Interface

HP 16528/1653B

Front-Panel Reference

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