Digital Rpm Indicator Operating Instructions; General Specifications; Battery Life; General Information - Beta RR 390 Manual De Uso

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diGiTal Rpm iNdiCaTOR OpERaTiNG iNSTRuCTiONS

GENERAL SPECIFICATIONS

SPEED/DISTANCE SENSOR: Non-contact magnetic
SCREEN MEASUREMENTS: 125mm x 41mm x 34mm
STORAGE TEMPERATURE: -20°C to 80°C (-4°F to 176°F)
BATTERY: 3V CR2032
BATTERY LIFE: Approximately one year
EXTERNAL CURRENT SUPPLY: 12V DC

GENERAL INFORMATION

Backlight:
The digital speedometer/odometer is backlit to enable reading where there is poor
or no lighting.
Using the 12V external current supply (instrument connected to vehicle battery):
• Backlighting is permanent with 12V current supply.
• After 20s of inactivity the backlighting will switch off. To switch it back on press
any button or turn the wheel.
Using only the internal battery:
• Backlighting will stay on for 4 seconds before switching off.
• With the LO symbol, the backlighting will not switch on. The symbol appears
when the battery voltage is lower than 2.45V.
Reset Button:
Using the Reset button, located on the back of the instrument, all travel data will be
deleted, including date and time.
Internal battery:
The instrument houses a 3.0V internal button cell battery (CR2032). The instrument
can only work with this battery. The symbol appears when the battery is running
low. To change the battery, unscrew the cap located on the back of the instrument
using a coin.
Once the battery has been changed, make sure that the positive side is facing
outwards.
REPLACE THE BATTERY WITH ANOTHER CR2032-TYPE BATTERY.
GB
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