7
2 OPERATION AND DISPLAY OF ST034
2.1 Operation
ON/OFF
of the main unit is carried out of power switch.
Turn on / off the display backlight
by pressing the button " ".
Access into menu
by pressing the button
.
Volume control
by using the buttons "
+
" and "
-
".
If the any button is pressed continuously, the volume will gradually change. This will be displayed
by volume indicator in the lower line of the display. When the desired volume is achieved, release the
button.
The buttons "
1
", "
2
" and "
3
" on the main purpose, are functional buttons and their functions depend on
the selected detection channel.
In addition, when you press "
1
it provides back to the previous level and exit the menu, the "
3
"
confirms the selected menu item.
2.2 Display
The results are displayed on a monochrome LCD graphical display with a resolution of 128X64. The
following symbols in the upper part of the display are common for all operation modes:
1
Channel ID (See Paragraph 4)
2
Battery status icon (See Paragraph 3)
3
Audio monitoring indicator
4
Volume level
3 POWER SUPPLY
ST 034 is powered from Li pol battery or power supply unit.
Completely filled icon corresponds to full capacity of the battery, completely discolored and
strikethrough image corresponds completely discharged batteries.
Under average operating condition (backlight is switched on for 50% of time, volume level – 50%
of nominal level) hours of service of one set of battery is not less than 7 hours at least.
To charge the battery, connect the USB connector of the main unit to power supply or USB port of
PC. The position of the power switch does not matter.
Battery charging is equal to a constant burning charge level indicator. Full recharging takes about 3
hours from the power supply and 8 hours from the USB port of PC.
