Toshiba Strara CTX Series, Installation And Maintenance Manual, Page: 217 / 290

Station Apparatus
7-19
Strata CTX I&M September 2002
Test the Display on Large LCD Telephones (DKT3014-SDL only)
1. Press
3
+
6
+
9
+
Hold
(simultaneously).
2. Press
Page
.
3. Press
1
. LCD screen is blank.
4. Press
2
. Each segment shows three vertical lines, in all eight rows.
5. Press
3
. Each segment contains five short horizontal lines, in all eight rows.
6. Press
4
. Each segment contains a pattern of small dots, in all eight rows.
7. Press
5
. All of the available characters, including numbers, display.
8. Go off-hook, then on-hook to exit the program mode.
Reset and Adjust the LCD Contrast
Step 1:
Adjust LCD Contrast for the LCD Telephones
1. Press and hold down the
Mic
button, and press and release
Vol
▲
or
Vol
▼
repeatedly.
Each time you press
Vol
▲
or
Vol
▼
, the contrast increases or decreases. There are eight steps in
either direction. To return to the middle setting, repeat “Step 1” above.
2. Press
Hold
to reset the LCD contrast.
3. Go off-hook, then on-hook to exit the program mode.
Step 2:
Reset LCD Contrast for the DKT3014-SDL
1. Press
3
+
6
+
9
+
Hold
(simultaneously).
2. Press
Mode
.
3. Press
Msg
so that the
Msg
LED is On.
4. Press
Hold
. This sets the LCD lightness/darkness contrast on the middle setting.
5. Go off-hook, then on-hook to exit the program mode.
Country Settings On/Off
This procedure enables you to change the country settings for telephone CODEC operation in various
countries, see
Table 7-6 .
Notes
●
In CTX100/670, country setting is set by centre programming.
●
In old systems, country setting by each terminal is requested.
1. Press
3
+
6
+
9
+
Hold
(simultaneously).
2. Press
*
.
3. Press Feature Buttons 1~4 (FB1~FB4) On/Off according to the Table below
...or, for the DKT3001, pressing
1
~
4
and toggle the
Msg
LED On/Off (see following)
press
1
(
Msg
LED Off means that FB1 is Off)
press
2
(
Msg
LED Off means that FB2 is Off)