User manual YAMAHA GF24-12

[. . . ] MIXING CONSOLE Owner's Manual Keep This Manual For Future Reference. E WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : BLUE : BROWN : EARTH NEUTRAL LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows: The wire which is coloured GREEN and YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the safety earth symbol or coloured GREEN and YELLOW. The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK. The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED. * This applies only to products distributed by YAMAHA KEMBLE MUSIC (U. K. ) LTD. Precautions 3 Precautions Warnings · Do not allow water to enter this unit or allow the unit to become wet. [. . . ] When the switch is in the downward section ( ), the input signal of the INPUT B jack is selected (0 of the connector section). ­15 LOW ­15 +15 AUX PRE 0 10 1 2 0 10 2 GAIN control This adjusts the input sensitivity. The range of levels that can be accommodated is +10 dB to ­34 dB. 3 PRE 0 10 6 4 3 High pass filter switch 0 10 7 5 PRE 0 10 This is an on/off switch for the high pass filter that cuts the frequency range below 80 Hz at a slope of 12 dB/octave. The high pass filter is on when the switch is pressed in. 6 0 10 4 PEAK indicator BAL 8 L ODD R EVEN 9 ON 10 This is an indicator that detects post-EQ clipping. It will light 3 dB before clipping, indicating that the signal is near the clipping level. If this LED lights, lower the GAIN control (2). 5 EQ controls (HIGH/MID/LOW) 1­2 0 A 5 0 3­4 This is a three-band equalizer that boosts/cuts each frequency band over a ±15 dB range. The center frequency and equalizer type for each band is shown below. Band HIGH Center frequency 10 kHz 250 Hz 100 Hz Type shelving peaking shelving 5 10 15 20 30 40 ST B PFL MID LOW C The response is flat when the knob is in the "w" position. --Owner's Manual Channel controls 9 6 AUX controls (1­6) These knobs adjust the level at which the input channel signal is sent to the AUX buses 1­6. AUX controls 1 and 2 are fixed at pre-fader, and AUX controls 3­6 can be switched between pre/post fader using the PRE switch (7). When a knob is in the "" position, the level is "nominal. " 0 Group select switches These switches send the signal of the input channel to GROUP buses 1­4. When the 1­2 switch is on (pressed in) the signal will be sent to GROUP bus 1/2. When the 3­4 switch is on, the signal will be sent to GROUP bus 3/4. A ST (stereo) switch This switch sends the signal of the input channel to the ST bus. When this switch is on, the signal will be sent to the ST bus. 7 PRE switches These switches select whether the pre or post fader signal will be sent to AUX buses 3­6. This setting is switched in pairs: AUX 3/4 and 5/6. When the switch is pressed in, the pre-fader signal will be sent to the corresponding pair of AUX buses. When the switch is in the upward position, the post-fader signal will be sent. B PFL (pre-fader listen) switch This switch sends the pre-fader signal to the PFL/ AFL bus, allowing you to monitor it through headphones or monitor speakers. When this switch is on, the pre-fader signal of the input channel can be heard from the C-R OUT jacks and the PHONES jack, even if the ON switch (9) is off. 8 BAL (balance) control This adjusts the left/right balance at which the signal of the stereo input channel will be sent to the ST (stereo) bus, GROUP bus 1/2, and GROUP bus 3/4. C Channel fader This fader adjusts the input level of the stereo input channel. The position of the channel fader will affect the level of the signal that is output from the ST bus, GROUP buses 1­4, and AUX buses 1­6 (except when the PRE switch is on for AUX buses 3­6). 9 ON switch This switches the input channel on/off. When this switch is turned off, the signal of the input channel will not be sent to the ST bus, GROUP buses, or AUX buses. However even if this switch is off, you can use the PFL switch (B) to monitor the signal from the C-R OUT jacks or the PHONES jack. GROUP AUX PFL/AFL ST 1234 123456 LR LR PEAK *1, *3 (MONO) INPUT A A HA B GAIN HPF 80 3 Stage EQ LOW HIGH MID ST ON BAL 1-2 *2, *4 *1, *3 INPUT B *2, *4 HA HPF 80 3 Stage EQ 3-4 AUX 1 AUX 2 AUX 3 PRE AUX 4 AUX 5 No. GF12/12 GF16/12 *1 *2 *3 *4 9L 10R 11L 12R 13L 14R 15L 16R GF24/12 21L PFL PRE AUX 6 22R 23L 24R Stereo input channel signal flow --Owner's Manual 10 Front and rear panel Master controls s GROUP section This section individually controls the output signal of GROUP buses 1­4. The signal that passes through the GROUP 1­4 output channels can be sent individually from the GROUP OUT 1­4 output jacks (page 20, D in the connector section), and can also be sent to the ST bus or PFL/ AFL bus by using the TO ST switch (group section 2) and AFL switch (group section 4). PAN PAN PAN PAN 1 L R L R L R L R 2 TO ST TO ST TO ST TO ST 10 10 10 10 5 0 5 0 5 0 5 0 5 10 15 20 30 40 5 10 15 20 30 40 5 10 15 20 30 40 5 10 15 20 30 40 3 4 AFL AFL AFL AFL GROUP 1 GROUP 2 GROUP 3 GROUP 4 1 PAN control This knob adjusts the left/right position when sending the signal of each GROUP bus 1­4 to the ST bus. to Meter GROUP 1234 ST PFL/AFL LR LR PAN TO ST GROUP OUT 1 2 TO ST switch This switch sends the signal of each GROUP bus 1­4 to the ST bus. When the switch is on, the signal that has passed through the PAN control (1) will be sent to the ST bus. AFL to Meter PAN TO ST GROUP OUT 2 3 Group fader This adjusts the output level of each GROUP bus 1­4. The position of the group fader will affect all signals that are sent from the GROUP bus to the GROUP OUT jacks, ST bus, and PFL/AFL bus. AFL GROUP OUT 3-4: Same as GROUP OUT 1-2 4 AFL (after-fader listen) switch This switch sends the signal of the GROUP bus to the PFL/AFL bus. [. . . ] The pin wiring is shown in the following diagram. Tip (send) 1/4" phone plug Sleeve (ground) Tip (hot) 1/4" TRS phone plug Ring (cold) Sleeve (ground) --Owner's Manual Connectors 19 9 INSERT I/O jacks 1­20 {1­12 on the GF16/ 12, 1­8 on the GF12/12} These are TRS phone input/output jacks for inserting external effect processors between the EQ and channel fader of a monaural input channel. The pin wiring is shown in the following diagram. Tip (send) 1/4" phone plug Tip (send) Ring (return) 1/4" TRS phone plug To processor's input Sleeve (ground) Sleeve (ground) Tip (return) 1/4" phone plug Connect to INSERT I/O jack From processor's output Sleeve (ground) 0 INPUT B jacks 21­24 {13­16 on the GF16/ 12, 9­12 on the GF12/12} These are phono input jacks (unbalanced) for the stereo input channels. Nominal level is the same as the INPUT A jacks (6). On the stereo input channels, you can make connections both to the INPUT A jacks (6) and the INPUT B jacks (0), and use the A/B switch (page 8, 1 in the stereo input channel section) to select whether INPUT jack A or B will be used. [. . . ]