GAI-Tronics 701-302ICS ICS AC-Powered Page/Party Plug-in Amplifiers - Manual (Page 14)

Pub. 42004-730L2B
ICS AC-Powered Page/Party
®
Plug-in Amplifiers Page: 12 of 20
f:\standard ioms - current release\42004 instr. manuals\42004-730l2b.doc
04/11
Level Adjustments
Refer to Figure 14 for locations. It is recommended to use a No. 10440-002 Maintenance Cable (sold
separately) to perform the following adjustments.
Speaker Mute
The amplifier can mute the associated speaker during page operation to eliminate feedback. To mute the
associated speaker, remove the amplifier from the enclosure, if installed. Open the amplifier as
previously described. P11 on the Main PCBA mutes the speaker during page activation when in the
EN
position (default). P11 in the
DIS
position allows broadcast to the speaker during paging.
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.
N OTE : Transmit Level and Receiver Volume settings are for Models 701-902ICS and 701-904ICS
only.
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 701-904ICS auxiliary headset.