—
１２
—
just turning, then press
button to set the information, and then press
to return.
(4) Contents explanation:
Backlight:
0-99 seconds, the time of turning on the backlight, and the backlight normally off
when it sets 0 second.
Contrast:
00-20, set the corresponding number according to different types of instrument.
Language:
English, Chinese, totally two types of language interface.
Demo:
ON, OFF, choose ON in demo when it does not need to be actual checked.
8 The notice of the battery operating
(1) This device includes hermetical chargeable lithium battery, which needn’t maintenance. This
battery is with perfect automatic charge and discharge circuit. When you connect power supply
adapter with alternating current, the charge will be start automatically. When this device is on, an
icon
is displayed on top right corner of LCD screen.
means the battery is on charge. The
whole charge process needs four hours when it is exhausted.
(2) When the battery is full, the device can be operated for one hour, when the battery be used as
power supply, An icon of battery will be displayed in the LCD screen of front panel, this icon
indicates power of battery. When the battery is power off, the device will turn off automatically; this
setting is for avoiding permanent damage on battery caused by excessive discharge.
(3) please charge the battery after power off. When this device be deposit for long time, the battery
should be charge once every six months, this operation will prolong the use –pan of battery.
(4) The icon of seven different state of power supply as following:
(5) If the battery is full, but the power of battery is exhausted within 10 minutes. Please change new
battery. If the battery is can’t be charged, please change new battery.
(6) When the icon
display on screen. Please charge the battery immediately, or the device will
turn off.
AC power is on (no battery)
The battery is only power supply and its power is full.
The battery is only power supply and its power is not full
The battery is only power supply and its power is
exhausted.
The battery is on charge
