Alesis CoolFire 15 Service Manual page 6

GA6 TEST Procedures
Panel functions introduction.
1. INPUT jack: connect to GUITAR output signal, mono model.
2. TUNER switches: Have three functions: program switch, bypass, mute.
Program switch: while in PLAY mode, the Program Up button increments the program number, and
Bypass: in which the audio signal from your guitar simply passes through the Unit without being
affected.
Mute: when EFFECT knob set to "play", both buttons are holding down longer than half a second,
the Unit goes to Mute mode, in which no signal at all leaves the amplifier. Display shows "-"
3. Display: This LED display is made of two digit tubes. Turn on unit after one second it shows "88", and then
shows current status of "play" mode.
4. EFFECT Knob: 1) PLAY functions, 2) EFFECTS setting (COMP/LIMIT~ROUTE).
1) PLAY, it can use both VALUE knob and TUNER buttons to switch the mode (clockwise and
anti-clockwise).
2) EFFECTS setting, use VALUE knob to change the parameter. (Clockwise and counterclockwise).
4-1: PLAY
It can store the setting and recall the pre-setting mode. It can store up to 40 modes, it shows as:
A0~A9 b0~b9 C0~C9 d0~d9
These 40 modes can be modified according to user's needs.
4-2: COMP/LIMIT(Compressor/limiter)
Compression evens out the high and low volumes of sound by squeezing them into a thinner range of levels,
bring down the high levels and boosting the low ones. Limiting controls only the high levels
Performing modes: C1~C9 L1~L9
Turn off: of
4-3 TYPE: Has 16 performing modes and one off position
Performing modes: CL. / Ar. / br / rY. / jb. / do~dp.
Turn off: of
4-4 HPF: debug mode, has "On" and "OF" modes
4-5 LO: debug mode, has 25 selections:-12.~-1. OF. +1.~+12.
4-6 LO MID: debug mode, has25 selections: -12.~-1. OF. +1.~+12.
4-7 HI MID: debug mode, has25 selections: -12.~-1. OF. +1.~+12.
4-8 HIGH: debug mode, has25 selections: -12.~-1. OF.+1.~+12.
4-9 EDGE: has21 selections: 1.~20. OF.
4-10 HUM CANCEL has21 selections: 1.~20. OF.
4-11 NOISE GATE: has 21 selections: 1.~20. OF.
4-12 FX1: has 109 Performing modes and one off mode.
Performing modes: A0~A9 UP
the Program Down button decreases the program number.
S0~S9.SP
U0.~U9.UP.
L0.~L9.LP
Y0.~Y9.YP.
h0~h9 hP
to~t9 tp C0~C9 CP
F0~F9 FP