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OPERATIONAL CHECKOUT ( Continued )
Tone Generator Volume
Adjustment
The tone generator creates the tones that are heard from
each station (call tone, alarm tone, feed back tone, etc.)
A trimpot is located on the master station and on each
of the remote speakers.
To adjust the trimpot at the master station:
1. Enter an invalid keypad entry; Example: 3.
If you should encounter
problems with the
Intercom System
If your Intercom System is not operating properly, the
Internal Microprocessor might need to be reset. Four (4)
levels of reset have been incorporated into the Intercom
System:
Begin with Level 1 and proceed to the next level until the
problem has been corrected.
NOTE: Levels 2, 3 and 4 will erase the system's memory
and defaults the system back to the original factory preset.
LEVEL 1: To reset a station, press
keypad.
When this level of reset is performed at the
master station, the master station will be reset but
any information that has been stored in the master
station's memory will not be erased.
When this level of reset is performed at a
remote speaker location, that location will be reset
but any information that has been stored into the
station's memory will be erased.
LEVEL 2: To totally reset the system, press
master station's keypad. All stations in the system
will be reset and any stored information will be
erased from the system's memory.
LEVEL 3: If unit does not respond to a Level 1 or 2 reset,
locate the Power Reset Button on the bottom left
side of master station. A label marked "For Power
Reset Only" will be covering the access hole.
Using a pencil, punch a hole in the label and
activate button. The master station will reset, and
information stored at the master station will be
cleared.
*
9# on the station's
*
8# on the
2. Adjust the trimpot to the desired level using a small
screwdriver.
NOTE: Do not turn the tone generator completely off; the
alarm function will be disabled.
NOTE: The trimpot on the remote station's is located next
to the black wire connection terminals and is labeled ringer
volume.
LEVEL 4: IMPORTANT: IF YOU ARE NOT CERTAIN AS
TO THE CORRECTNESS OF ANY STEP OR
PROCEDURE DESCRIBED HERE, SECURE
THE SERVICES OF A QUALIFIED
TECHNICIAN.
NOTE: This level should only be used after all
other levels have been attempted and will involve
the partial removal of the intercom's master unit
from the rough-in frame.
1. Disconnect AC power from the system.
2. Remove the four (4) mounting screws from the
master station's front panel.
3. Slowly lower the master station towards
yourself. Be careful not to catch any wires on the
rough-in frame. Let the unit rest on the support
strap in a face-down position.
4. Disconnect the back-up battery from the master
station. Refer to page 7 of this booklet.
5. When two (2) minutes have elapsed, reconnect
the battery.
6. Carefully dress the wires and re-install the
master unit into the rough-in frame.
7. Restore AC power to the system. If the system
has properly reset, the display will appear as
12:00 AM.
8. If the system is not operating properly,
disconnect the AC power and notify a NuTone
service representative.
12
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