Electronic Control System
3-12
#7019014 - Revision A - October, 2010
Built-In (BI) Series
Built-In (BI) Series
Tone Adjust Mode (Adjusting the Audible Chime Tone)
The tone of the electronic control audible chime is preset at the factory. This preset level is referred to as the “nor-
mal” tone, but it can be manually adjusted down to low, or up to high, for a total of three possible settings. This is
possible through Tone Adjust Mode.
NOTE: Tone Adjust Mode can be initiated anytime af
ter the first (1) minute of switching the unit ON.
To adjust the chime tone, first initiate Contrast Adjust Mode by pressing and holding either set of COLDER and
WARMER keys and the POWER key simultaneously for five (5) seconds, then release the keys (See Figure 3-17).
While in Contrast Adjust Mode, press the POWER key, and the letter “S” (for “Sound”) will appear at the small digit
location in the LCD indicating the control is now in Tone Adjust Mode. At the right side of the LCD will be the letters
“Hi” (for High), or “nO” (for Normal), or “Lo” (for Low), indicating the last tone setting (See Figure 3-18). Pressing a
COLDER key at this time will decrease the tone setting and the chime will sound in the lower/softer tone; while
pressing a WARMER key will increase the tone setting and the chime will sound in the higher/louder tone (See
Figures 3-19 and 3-20).
NOTES:
• Do not
press and hold the POWER key first, that will simply switch the unit OFF.
• Tone Adjust Mode will end ten (10) seconds after the last key stroke, or press ALARM key to exit.
Figure 3-17. Adjusting Chime Tone (any time after first minute of switching unit ON) - Initiate Contrast
Adjust Mode First; Press and Hold COLDER, WARMER and POWER Keys for 5 Seconds
Press and hold for 5 seconds
Figure 3-18. While in Contrast Adjust Mode, Press POWER Key to Initiate Tone Adjust Mode
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