Hubbell Electric Heater Company TI984 - Manual (Page 14)

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M ODEL TI984 T ELEPHONE I NTERFACE 42004-071F
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Adjustments
The inside front cover of the TI984 contains 3 potentiometers to adjust audio levels. Use a small standard
screwdriver to adjust the page line level. Before adjustments are made, turn the Party Line Level
potentiometer fully counterclockwise and the Page Line Level potentiometer approximately one-half of
its travel. Use an outside telephone to establish communications through the TI984 with the GAI-Tronics
paging system. Once the incoming call is connected to the page line, adjust the Page Line Level
potentiometer until the volume level of the incoming page is approximately equal to a page made within
the system.
After the page level is adjusted, pick up the incoming call at a station near the TI984. When
communications are established, adjust the Sidetone Adjust potentiometer on the TI984 for minimum
sidetone on the GAI-Tronics station. Sidetone is the amount of signal transmitted from the microphone to
the receiver. To complete this adjustment, blow into the microphone at the station while adjusting the
potentiometer on the TI984 for minimum signal in the ear piece of the station. As the potentiometer is
adjusted, the signal will decrease (null), then increase.
After the sidetone adjustment is completed, adjust the Party Line Level potentiometer until the level of
the signal from the telephone line is comparable to the level of a signal within the system.
If all adjustments are made properly, pages from the TI984 will be the same volume as pages from a
Page/Party
® station. Party line adjustment should be tested from a Page/Party ® station. When properly
set, this communication with an outside call will sound like communication with another station.
Programming Summary Chart
Description
Factory Setting
for Day Mode
Factory Setting
for Night Mode
User
Programming
Incoming Call Mode Voice Access Method Ring Access Method
Voice Page Duration 7 seconds Not applicable with unit
in Ring Access Method
Page to Answer Duration 60 seconds Not applicable with unit
in Ring Access Method
Auto-connect Option Enabled Not applicable with unit
in Ring Access Method
Incoming Rings 4 1
Hang-up Delay 7 seconds 7 seconds
Day/Night Switch Internal Internal