15
Preparations
The life of a set of batteries is shown below when the VX-55EX is installed,
Eco setting is ON, L
eq
calculation interval is 10 min, and L
v
store interval
is OFF.
Battery life (at 23°C) Alkaline batteries LR6 27 hours
Nickel metal-hydride batteries 27 hours
The battery life shortens by 5 % to 50 % when the display backlight contin-
uously ON (different according to the backlight brightness setting).
When either AC OUT or DC OUT is ON, battery life will be about 25 %
shorter (see pages 105 to 109).
When auto store is used, battery life will be 20% to 40 % shorter.
Battery life may also be shorter when the program option is operating.
Important
The rechargeable nickel metal-hydride battery
is not charged by the VM-55.
Select the used battery type by the [System
(Language)] on the menu list screen (see page
56).
Note
The life of rechargeable nickel metal-hydride battery
depends on the battery type and charge condition.
In the factory default condition, OUTPUT is set to “ON”.
To extend the battery life, select [System (Language)]
from the menu list screen and set [Eco Setting] (see
page 36), or select [Display / I/O] and set the OUTPUT
to “OFF” (see page 105).
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