FS9952_LP2

13. Other Functions

Auto Power Off

In the process of measuring, no matter the function key or switch, if there is no any action on them within 15

minutes, the meter will be “Auto Power Off” (Sleep Mode) to save the power. To cancel the auto power off

function, it is simply to press and hold the Manual Hold key to turn the system on, and then the auto power off

function will be cancelled.

In auto power off status to press the function keys or switches, the meter will be “Auto Power On” (Operating

Mode).

Note:

In AC mode (MEAS: 11110) and auto power off, DC mode (MEAS: 11111) cannot be waked up

singly.

In sleep mode, the auto function will be cancelled if pressing Manual Hold key to turn the

system on.

Buzzer

When press any key or turn any function switch, the buzzer will raise one “beep” sound (approx. 0.25 second

〜

1 second). When measuring AC Voltage>750V, DC Voltage>1000V, AC/DC mA Current>2000uA, AC/DC μA

Current>200.0mA, AC/DC Large Current>10A, the buzzer will keep sounding as the overload warning.

Approximate 1 minute before the system is auto power off, the buzzer will raise constantly 5 sounds to warning.

Before the system is power off, the buzzer will raise 1 long sound to warning.

SELECTC1 (Not connected is “1”; Connect to VSS is “0”.)

If set SELECT1 to “1”, the power on default status is AC or ℉; if set it to “0”, the power on default status is DC

or ℃.

Backlight

The system has the backlight driver output to control the on and off of the backlight circuit. It provides the

convenience to read in a dim light and worse vision. If press the BLCTR (S7) key over approx. 2 seconds, the

backlight will be on to drive the backlight circuit, and to press the key again, the backlight will be off. After

backlight is on, if no press on the key, it will be auto off in 15 seconds.

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