Diamond Shield Crystal
Instruction Manual
Page 12
Operation
Switch On
For switching on the device please press briefly the
POWER
button.
Switch Off
Press the
"POWER
" button and hold it for about 1 second until the
device is turned off.
Switch off automatically
If the unit is not performing a frequency program and/or is not used
for 12 minutes, it will switch off automatically to save battery life.
Charge condition of the battery
The state of charge of the battery is displayed on the LED. If the
device is switched on, the LED flashes. When the battery is full, the
flashing frequency is slow. When the battery charge is low, the
flashing frequency is faster. If the battery is empty, a message
appears, and the device can no longer be used.
The device is fully functional even if the battery is almost empty.
Activate / deactivate the loudspeaker
Press the sound button to switch the loudspeaker on or off. The
current state is then displayed briefly.
Keypad lock
The device has a keypad lock to prevent accidental operation of
buttons.
To activate or deactivate the keypad lock briefly press the "Power"
button and then press "Ok". The device will display the status of the
keypad lock then.