GAI-Tronics 210-001 Corridor Telephone - Manual (Page 4)

Pub. 42004-449B
Model 210-001 Corridor Telephone Page: 4 of 9
f:\standard ioms - current release\42004 instr. manuals\42004-449b.doc
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Operation
1. Lift the handset to place a call.
2. The handset receiver volume control, which is located on the handset, can be adjusted to the desired
level by pressing the handset pressbar.
N OTE : Pressing the handset pressbar increases the volume in 3-dB increments. The volume starts at
0 dB and increases to a maximum volume of 18 dB. Pressing the pressbar a seventh time will return
the volume to 0 dB.
3. Dial the desired number.
4. After completion of the call, place the handset on-hook.
Ringer with Volume Control
The volume level of the ringer can be adjusted. Follow the steps in the “Mounting and Wiring
Instructions” section on page 2 to open the enclosure. The ringer is mounted on the bottom of the
enclosure and has a volume control knob. This knob can be turned to open or close the audio ports to
increase or decrease the volume by 15 dB. See Figure 5.
Figure 5. Interior View