Manual Ranging And Autoranging; Power-Up Options - Fluke 77 User Manual

Manual Ranging and Autoranging

The Meter has both Manual range and Autorange modes.
In the Autorange mode, the Meter selects the range with the
best resolution.
In the Manual Range mode, you override Autorange and select
the range yourself.
When you turn the Meter on, it defaults to Autorange and Auto
Range is displayed.
1. To enter the Manual Range mode, press RANGE.
Manual Range is displayed.
2. In the Manual Range mode, press RANGE to increment the
range. After the highest range, the Meter wraps to the lowest
range.
You cannot manually change the range in the MIN MAX
AVG mode.
If you press RANGE while in MIN MAX AVG, the Meter
beeps, indicating an invalid operation, and the range does
not change.
3. To exit Manual Range, press RANGE for 1 second or turn the
rotary switch.
The Meter returns to Autorange and Auto Range is displayed.
Note
Manual Ranging and Autoranging

Power-Up Options

To select a Power-Up Option, hold down the button indicated while
turning the Meter on.
Power-Up Options are cancelled when the Meter is turned OFF.
Button
Turns on all display segments when in VAC switch
position.
Disables beeper.
Enables "Smoothing" mode.
enabled.
Dampens display fluctuations of rapidly changing
inputs by digital filtering.
Disables automatic power-down ("Sleep mode").
is displayed when enabled
Sleep mode is also disabled while the Meter is in a
(YELLOW)
MIN MAX AVG Recording mode, or the AutoHOLD
mode.
Disables automatic 2-minute backlight timeout.
is displayed when enabled.
Power-Up Options
is diplayed when enabled.
is displayed when
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