Adjusting The Display Contrast; Setting The Signal Tone For Display Operation; Instructing The System User - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Setting display backlighting for standby
04. OK to confirm.
"P" appears in the l.h. display area. The r.h. dis-
play area flashes.
05. Use / to select "12".
06. OK to confirm.
"1" flashes in the l.h. display area.
07. Use / to select "10".

Adjusting the display contrast

01. Turn ON the ON/OFF switch.
02. Tap MODE.
03. / until CONFI flashes.
04. OK to confirm.
"P" appears in the l.h. display area. The r.h. dis-
play area flashes.
05. Use / to select "12".
06. OK to confirm.
"1" flashes in the l.h. display area.

Setting the signal tone for display operation

01. Turn ON the ON/OFF switch.
02. Tap MODE.
03. / until CONFI flashes.
04. OK to confirm.
"P" appears in the l.h. display area. The r.h. dis-
play area flashes.
05. Use / to select "12".
06. OK to confirm.
"1" flashes in the l.h. display area.

Instructing the system user

The system installer should hand the operating instruc-
tions to the system user and instruct the user in oper-
ating the system.
38
(cont.)
08. OK to confirm.
"0" flashes in the r.h. display area.
09. Use / to select the display backlight.
■ "0": Display backlight dimmed
or
"1": Display backlight off
■
10. OK to confirm.
07. Use / to select "11".
08. OK to confirm.
"3" flashes in the r.h. display area.
09. Use / to adjust the display contrast.
Adjustable from 0 to 6. The higher the value, the
greater the contrast.
10. OK to confirm.
07. Use / to select "9".
08. OK to confirm.
"0" flashes in the r.h. display area.
09. Use / to set the signal tone.
"0": Signal tone on
■
or
■ "1": Signal tone off
10. OK to confirm.