User's Manual

HM35 Series – User’s Manual
Rev. 2.0 on 1 March 2004 Page 20 of 32
8 CUSTOMIZATION
This section describes the settings that regulate various parameters, depending on environment and specific use of
the radio; for example, display contrast, backlighting, etc.
8.1 Adjustment of microphone sensitivity
Normally, the sensitivity of the microphone allows the user to speak at a distance of up to 10 centimeters from the
microphone. However, if the surroundings or the vehicle in which you are working is particularly noisy, you can
reduce the sensitivity of the microphone so as to avoid transmitting your surrounding noises to others. When the
sensitivity is decreased, you need to speak closer to the microphone and/or with a louder voice, but your message
will still be heard clearly. To adjust the microphone sensitivity:
1) Press the menu/↵ button to access the command menu, then use the buttons to highlight the
Radio Param
option.
2) Press menu/
↵
to view the sub-menus available.
3) Press the
buttons until the
Mic. Sens.
(microphone sensitivity) sub-menu is highlighted. The display will show
Lo
(low sensitivity) or
Hi
(high).
4) Press menu/↵ if you wish to change the setting from
Lo
to
Hi
or vice-versa.
5) Exit the sub-menu by pressing the F4/E
SC
button, then press it a second time to exit the main menu and return to the standby
screen.
8.2 Adjustment of display contrast
Depending on your ambient light and temperature, you may wish to change the display contrast for a better view of
the screen. To change the contrast:
1) Press the
menu/
↵ button to access the command menu, then use the buttons to highlight the
Lcd&Keypad
option.
2) Press menu/↵ to view the sub-menus available.
3) Press the
buttons until the
Contrast
(adjustment of display contrast) sub-menu is highlighted, then press menu/↵
to enter the setting.
CONTRAST
will appear on the display, and will show a series of horizontal bars proportional to the
contrast currently selected.
4) Press the or buttons repeatedly until the desired contrast level appears.
5) Press menu/↵ to confirm the contrast level setting.
6) Exit the sub-menu by pressing the
F4/E
SC
button, then press it a second time to exit the main menu and return to the standby
screen.
8.3 Backlight adjustment
This command is for setting display and keypad backlight adjustment and auto-adjustment as follows:
1) Press the menu/↵ button to access the command menu, then use the buttons to highlight the
Lcd&Keypad
option.
2) Press
menu/
↵ to view the sub-menus available.
3) Press the
buttons until the
Light
(backlighting) sub-menu is highlighted. The display will show:

On
– backlight always activated

Auto
– backlight is automatic - will activate as soon as you use any command, and will deactivate approximately 20
seconds after the last command is given.

Off
– backlight deactivated
4) Press the menu/↵ button repeatedly until the desired setting is selected.
5) Exit the sub-menu by pressing the F4/E
SC button, then press it a second time to exit the main menu and return to the standby
screen.