SENA SRL [10/56] Powering on and off

SRL

4.2 Powering On and Off

When powering on the headset, press the Center Button and the (+)

Button at the same time for 1 second. When powering off the headset,

tap the Center Button and the (+) Button at the same time until the red

LED appears briey and the headset turns off completely while hearing

descending beeps.

4.3 Charging

You can charge the SRL by connecting the supplied USB power &

data cable into a computer’s USB port or USB wall charger. You can

use any standard micro-USB cable to charge the SRL. The LED turns

red while the headset is charging and turns blue when it is fully

charged. It takes about 2.5 hours to be completely charged.

4.4 Low Battery Warning

When the battery is low, the blinking blue LED in stand-by mode turns

to red and you will hear a voice prompt saying “Low Battery”.

4.5 Checking the Battery Level

You can check the battery level in two different ways when the headset

is powering on.

4.5.1 LED Indicator

When the headset is powering on, the red LED ashes rapidly

indicating the battery level.

4 ashes = High, 70~100%

3 ashes = Medium, 30~70%

2 ashes = Low, 0~30%

4.5.2 Voice Prompt Indicator

When you power on the headset, press and hold the Center Button

and the (+) Button for more than 6 seconds until you hear three, high-

toned beeps. Then you will hear voice prompt indicating the battery

level. However, if you release the buttons as soon as the headset turns

on, you will not hear the voice prompt of battery level indication.

Note:

If the Voice Command setting is disabled, press and hold the Center Button

and the (+) Button for more than 3 seconds as the Bluetooth system powers

on.