P
AGE
8 of 16
S.M.A.R.T. E
MERGENCY
P
HONES
42004-661L2C
f:\standard ioms - current release\42004 instr. manuals\42004-661l2c.doc
11/02
10.
Complete the installation by attaching the front panel assembly to the back box using the six
#10 tamper-resistant screws that are provided. A Model 233 Tamper-Resistant Screwdriver (sold
separately) is required when installing the tamper-resistant screws.
Speaker Volume Adjustment
The speaker volume is factory set to a nominal level that is acceptable for most installations. When
speaker adjustments are necessary, follow these steps:
1.
Loosen the 4 tamper-resistant screws on the front panel using the GAI-Tronics Model 233 Tamper-
Resistant Screwdriver (sold separately). Open the front panel.
2.
Locate the volume control potentiometer on the PCBA. Refer Figure 3 and Figure 5 for the location
of the speaker volume adjustment for your model.
3.
Speaker Volume Adjustment:
While the caller is speaking, adjust the volume control potentiometer
to the desired level. Rotating clockwise increases the volume level.
Figure 5. Models 297SL and 298SL Component Locations