Alto PBM4 Owner's Manual page 9

12 MAIN LEVEL
This control sets the amount of signal simultaneously sent to the MAIN MIX
OUTPUT and TAPE OUT.
11
13 LED METER
This meter has 4 leds with range of
corresponds to a level output of 0 dBu.The +10 led comes to life when the
output reaches +10 dBu. Set the MAIN LEVEL control so that the 10 led
only flashes occasionally. In general you get a good mix level when the Meter
leds operates in the range
If even 30 leds are sleeping your signal-to-noise ratio will suffer.
14 OPERATING
This LED indicates when your PBM4 is switched-on.
MASTER SECTION AND CONNECTIONS
20
21
7
4. CONTROL ELEMENTS
15
9
0
9
15
63 160 400
10 to 0. If you exceed 0, you will get distortion.
DSP
DSP
MUTE
1
16 2
15 3
4
14
5
13
6
12
7
11
8
10
9
PRESETS AUX/DFX RET
1
POWER AMPLIFIER
OUTPUT
15
15
10
9
0
0
-10
9
-30
15
1K 2.5K 6.3K 16K
30 dB to +10 dB (CLIP). The 0 led
22 23
PRESETS
CLIP
1 WARM HALL
2 BRIGHT HALL
3 WARM ROOM
MUTE
4 BRIGHT ROOM
5 VOCAL 1
6 VOCAL 2
7 VOCAL 3
8 PLATE
9 STEREO DELAY1
10 STEREO DELAY2
11 REV + DELAY1
12 REV + DELAY2
13 REV + DELAY3
0 10
14 REV + DELAY4
15 REV + CHORUS1
16 REV + CHORUS2
2
MONITOR OUT
16
MAIN
OPERATING
0
dB
LEVEL
+10dB
18
FX SEND
19
FX RETURN
FOOTSWITCH
17
14
13
12