How to use Joyetech eVic-VT:

1. ON / OFF: power it on or off by five quick succession clicks on the ignition key.
2. Smoke: Hold down the fire button to inhale through cigarette holder and exhale by releasing the ignition key.
3. The screen hidden feature: when the device is on, simultaneously press the ignition key and turn the control knob to the left to stealth on or stealth off. In stealth mode, you can perform using when the screen shuts down and quickly view the current status of hidden features by pressing the ignition key.

4. The key lock function: when the device is on, simultaneously press the ignition key and turn the control knob to the right to open the function of key Lock or Key Unlock. In the key lock mode, the fucntion of turning the adjuster will be temporarily unavailable, to prevent accidentally altering temperature / power (VT / VW) setting.

official website：http://www.evicvt.com/