Promax PROLINK-4C, Manual

Page: 136 / 334

USER’S MANUAL. PROLINK-4C
Page 16 02/2003
3.1.2.1 Battery Charging
To fully charge the battery, connect the instrument to the external DC charger
without pressing the on/off key [1]. The length of time it takes to recharge it
depends on the condition of the battery. If they are very low the recharging period is
about 4 hours. The CHARGER [7] indicator should remain lit in amber colour.
When the battery charging process is completed with the instrument off, the fan
stops.
IMPORTANT
The instrument battery needs to be kept charged between 30% and 50% of its capacity
when not in use. The battery needs to be fully charged for best results. A fully charged
battery suffers temperature-related discharge. For example, at a room temperature of
20ºC, it can lose up to 10% of its charge over 12 months.
3.2 Installation and Start-up
The PROLINK-4C level meter is designed for use as a portable device.
When the [1] key is pressed, the instrument is in the automatic power-off
mode; that is, the device is automatically disconnected fifteen minutes after the last time
a key has been pressed. When turning on the unit, automatic power-off mode may be
deactivated by holding down the [1] key until you hear two acoustic indications,
later "MANUAL POWER" message will appear on the lower side of the monitor. When
the device is operating, it is also possible to select the manual power-off mode by
means of the Manual power function of the TV functions menu.