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3. OPERATION
Page 61 © 2007 DH Instruments, a Fluke Company
To access the PREFS menu press [SPECIAL],
<5prefs>. The display is:
1ScrSvr 2sound 3time
4ID 5level
The PREFS menu includes:
<1ScrSvr> View and change the screen saver activation time (see Section 3.5.5.1).
<2sound> View and change the key press sounds (see Section 3.5.5.2).
<3time> View and edit the internal time and date settings (see Section 3.5.5.3).
<4ID> View the RPM4 serial number (SN) and view or edit the ID number
(see Section 3.5.5.4).
<4level> View and set the user security level and/or password (see Section 3.5.5.5).
3.5.5.1 <1SCRSVR>
PURPOSE
To adjust the idle time after which RPM4’s SCREEN SAVER activates.
PRINCIPLE
RPM4 has a SCREEN SAVER function which causes the display to dim after a
front panel key is NOT pressed for a certain amount of time. The default is for the
screen saver to activate after 10 idle minutes. The screen saver activation time
can be adjusted by the user or screen saving can be completely eliminated.
Setting screen saver time to zero eliminates the SCREEN SAVER function so
that the display permanently remains at full brightness.
OPERATION
To access the SCREEN SAVER function, press [SPECIAL], <5prefs>,
<1ScrSav>. Edit, in minutes, the idle time after which screen saver will activate
to dim the screen. Set the time to zero to eliminate the SCREEN SAVER function.
3.5.5.2 <2SOUND>
PURPOSE
To adjust or suppress the RPM4 valid key press sound.
See Section 3.1.4 for information on the complete list of sounds made by
RPM4 and their meanings.
PRINCIPLE
RPM4 provides audible feedback by a brief “beep” when a valid key press is
made. The tone frequency of this beep may be selected from three choices or it
may be completely suppressed. Invalid key presses are indicated by a
descending two tone “blurp” which cannot be suppressed.
OPERATION
To access the keypad sound adjustment function press [SPECIAL], <5prefs>, <2sound>.
Select between <2lo>, <3mid> or <4hi> to adjust the valid key press tone frequency.
Select <1none> to suppress the valid key press tone.