1.MIC/LINE INPUT (see page 20): This section features [LEVEL], [EQ-HI] and [EQ-LOW] controls for the microphone/line level input stage. The combi-XLR connector accepts XLR connectors for microphone use and 1/4” Jack plugs for mono line level devices (CD/tape players, drum machines, synthesizers etc.) The [MIC] push-button switch selects the alternative rear panel inputs: when it is released (up) it selects the pair of RCA phono sockets on the rear panel. This pair is mono summed.
2.CHANNEL 1 INPUT (see page 22): This section features [TRIM], [PHONO/LINE select], [EQ-LOW], [EQ-MID], [EQ-HI] and [FADER] controls for the channel 1 input stage. There is also a 20dB pad and a 10dB pad, which can be set via holes under the top panel fascia; these are intended to be set at installation. The [CLIP] indicator shows the pre-A-to-D convertor level status. The 10- way indicator shows channel level. This channel can be used with any CD/line or Phono level input device.
3.CHANNEL 2 INPUT (see page 22): This section is functionally identical to Channel 1.
4.FX SEND/RETURN -AUXILIARY INPUT (see page 24): This section features [SEND LEVEL], [SEND SELECT], [RETURN /AUX LEVEL] and [RETURN/AUX SELECT] controls for the effects loop/auxiliary input stage. The [CLIP] indicator shows the pre-A/D convertor level status for the effects return/auxiliary input. The RETURN/AUX channel can be used with any CD/line level input device.
5.FX ON/OFF SWITCH (see page 25): This 3-way “paddle” switch controls the effect send/return loop.
6.X-FADER MONITOR (see page 29): This control allows you to monitor channel 1, channel 2 or a mix of both.
7.MASTER/BOOTH OUTPUT (see page 26): This section features the [MASTER LEVEL] and [BOOTH LEVEL] controls. The 10- way VU indicator shows the MASTER output level.
8.X-FADER(see page 27): Note the adjustments on the front panel (see page 19).
9.INPUT FADERS (see page 22): Note the Ch1 and Ch2 adjustments on the front panel (see page 19).
10.EXCITER (see page 27): Frequency and Mix controls.
11.PHONO/LINE INPUT SWITCH (see page 22): 2-position switches select between each channel’s phono and line switches.
12.SAMPLER ASSIGN (1601S ONLY) (see page 33): Assigns sample pads to the input channel (post fader).
13.SAMPLER SECTION (1601S ONLY) (see page 30): 2-Bank, 32-beat assignable sampler.
