Opticon PHL 2700-RFDC - Manual (Page 6)

Description of the display indicators
Main Battery indicator
Off: Sufficient battery power
On: Battery low. Replace battery immediately.
Backup Battery indicator
Off: Sufficient battery power
On: Battery low. Replace battery immediately.
Alpha mode on
(Shift-key activated)
Backlight
The display is provided with a backlight.
When the backlight is turned on, the power
consumption increases. To extend the life time
of your batteries use the backlight as little as
possible.
2.2.4 Change contrast of display
In order to set the contrast of the display of
the terminal do the following:
Toggle the keys [0], [7] and [PW] together.
The system menu is displayed.
Choose Option: 7 Set Contrast
Use keys [F7] (
), [F8] ( ) to adjust
contrast resp. darker or lighter.
Use key [CLR] to set and exit.
Press key [ENT] to exit system menu.
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PHL2700
TERMINAL
/ IRU2700
CRADLE
6
Description of the function keys
In the shift mode the function keys can have
additional control functions. Some typical
options are described below. The user’s
application can give different definitions to the
keys.
shift mode
functions:
F1 (-)
input minus sign
F2 (DEL) optional delete function
F3 (SP) input space
F4 (BL) optional back light control
F5 (<--), F6 (-->) optional cursor control
F7 ( ), F8 ( ) optional cursor control
2.2.3 Display of terminal
The liquid crystal display of the terminal is
typically used to show program prompts,
instructions and data, as defined in the user’s
application.
The display has the following default options:
Special purpose symbols in display:
The symbols will be shown in the bottom part
of the display and indicate status.