Fluke 27-II User Manual page 24

27 II/28 II
Users Manual
Button
Disables automatic power-off feature (Meter normally powers off in 30 minutes).

(Yellow)
The Meter reads "PoFF" until
Enables the Meter's calibration mode and prompts for a password.

The Meter reads "CAL" and enters calibration mode. See 27 II/28 II Calibration Information

Enables the Meter's smoothing feature. The Meter reads "'---" until

Turns on all LCD segments.

Disables the beeper for all functions. The Meter reads "bEEP" until
Disables auto backlight off (backlight normally disables after 2 minutes). The Meter reads "LoFF" until  is

released.

Enables zoom mode for the bargraph. The Meter reads "2rEL" until
(Relative mode)
Enables the Meter's high impedance mode when the mV dc function is used.

The Meter reads "Hi2" until  is released. (28 II only)
14
Table 6. Power-Up Options
Power-Up Option

is released.
.

is released.
 is released.

is released.