Laney A1 - Manual (Page 7)

FX SEND: Mono jack socket for connection to the input of an external FX unit.
FX RETURN: Mono jack socket for the connection of the output of an external FX unit.
FX LOOP SWITCH: Selects the FX Loop mode of operation:
-10dBu - For connection of FX units with a -10dBu nominal output level. As this is intended for devices with a lower
output level, this switch increases the gain of the FX Loop by 10dB.
0 dBu - For connection of FX units with a 0dBu nominal output level.
This socket provides a balanced output for direct injection of the amplifier signal into a PA System or Recording Device.
The signal is taken pre-master volume.
Line out socket, to connect to another power amp etc., line level signal is taken post master volume.
If a hum loop is experienced when other equipment is connected to the D.I. or the Line Out socket, use this switch to
reduce or remove it completely.
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Amplifier connection: In order to avoid damage, it is advisable to establish and follow a pattern for turning on and
off your equipment. With all system parts connected, turn on source equipment, tape decks, cd players, mixers, effects
processors etc. BEFORE turning on your amplifier. Many products have large transient surges at turn on and off which
can cause damage to your speakers. By turning on your amplifier LAST and making sure its Volume control is set to
minimum any transients from other equipment will not reach your loudspeakers. Wait until all system parts have
stabilised; usually a couple of seconds. Similarly when turning off your system always turn down the Volume control on
your amplifier and then turn off its power before turning off other equipment.
Cables: Always use good quality shielded cable for your instrument and small signal connections. Never use shielded
or microphone cable for any speaker connections as this will not be substantial enough to handle the amplifier load
and could cause damage to your amplifier system.
Caution: These professional loudspeaker systems are capable of generating very high sound pressure levels. Use care
with placement and operation to avoid exposure to excessive levels that can cause permanent hearing damage. (Refer
to guidelines on the general warning & information sheet).
Servicing: The user should not attempt to service these products. Refer all servicing to qualified service personnel.
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