GAI-Tronics 701-302ICS ICS AC-Powered Page/Party Plug-in Amplifiers - Manual (Page 11)

Pub. 42004-730L2B
ICS AC-Powered Page/Party
®
Plug-in Amplifiers Page: 9 of 20
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04/11
Speaker Gain Setting
P9 on the Main PCBA can limit the maximum speaker output level. To change the speaker gain setting,
remove the amplifier from the enclosure. Open the amplifier as previously described. P9 in the
30W
position (default) represents a 30-watt maximum output. P9 in the
2W
position represents a 2-watt
maximum output.
Warning: Maximum output power may exceed rated speaker wattage resulting in speaker damage.
Handset Level Settings and Adjustments (Models 701-302ICSVC &
701-304ICSVC Only)
Refer to Figure 10 for locations. It is recommended to use a No. 10440-002 Maintenance Cable (sold
separately) to perform the following adjustments.
Transmit Level
If the signal level from the handset to the page or party lines requires adjustment, remove the amplifier
from the enclosure and place it on a stable surface. Open the amplifier as previously described. Use the
LINE ADJ
potentiometer, R34, on the Main PCBA to make the adjustment.
Receiver Volume
If the receiver volume requires adjustment, remove the amplifier from the enclosure. Open the amplifier
as previously described. Use the Receiver Volume potentiometer, R5, on the Main PCBA to adjust the
signal level to the handset receiver from the page or party lines.
N
OTE : It does not adjust the signal level to the Model 701-304ICSVC auxiliary headset.
Audio Alignment
Use the access hole located on the bottom of the amplifier to make the following adjustments with a small
screwdriver:
To set the normal speaker output level, on the VLC PCBA set DIP switch SW2-1 to the “off” position.
Set SW2-2 to the “on” position to enable a reference test tone. Adjust R91 on the Main PCBA to the
desired audio level. To mute the audio, turn R91 fully counterclockwise.
To set the VLC controlled speaker output level, set SW2-1 on the VLC PCBA to the “on” position. Set
SW2-2 to the “on” position to enable a reference test tone. Adjust R12 on the VLC PCBA to the desired
audio level. To mute the audio, turn R12 fully counterclockwise.
Set SW2-1 and SW2-2 to the “off” position to return to normal system operation.
Page Disable Control
To disable local paging when the system VLC tone is present, set SW2-3 on the VLC PCBA to the “on”
position.
Remote Output Switching (Available with RTU Only)
To activate the RTU relay when the system VLC tone is present, set SW2-4 on the VLC PCBA to the
“on” position.