B&K 2250 Light Manual do Utilizador descarregar pdf (Página 88)

Hand-held Analyzer Types 2250 and 2270 – User Manual

Fig.8.4

Power Settings overview

If the analyzer is left unused, not measuring and not communicating over the USB interface, it

will go to Standby after the time specified in the Standby parameter. If in Standby mode, you

must press to switch the analyzer on again.

The analyzer will automatically switch off when it has been in Standby mode without external

power for more than 30 hours.

Note 1: If the analyzer is powered externally, the Standby After parameters are ignored and the

analyzer will never go to Standby. However, if the analyzer is left unused for more than

Standby After time, the Standby After setting will overrule the Backlight settings and the

backlight will be switched off or dimmed.

Note 2: Please use the Display Settings in conjunction with the Power Settings to save power

during measurements and extend the battery operating time.

Hardware version 4 (G4) has an Ext. Power setting, which determines whether the analyzer

automatically switches on and charges the battery when external power is applied or the battery

is just charged. It is recommended to select the Switch On and Charge setting for unattended

measurements, to ensure measurement will restart in case of power failure.

Hardware versions 1 – 3 have a similar function. There is a small, manual switch at the back of

the analyzer, under the battery pack. To access the switch, remove the battery.

When you have made your choices, tap Power Settings, or , to collapse the list.

8.1.3 Regional Settings

Tap Regional Settings, or next to Regional Settings, to expand the list of available regional

settings (Fig.8.5).

‘Backlight Dim’

Parameter

‘Turn off Backlight’

Parameter (hardware v. 1 – 3)

Backlight off

Time

‘Standby’ Parameter

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B&K 2250 Light Manual do Utilizador Página 88