Combination Keys; Back Panel - Optimus LS-320 Manual De Instalación Y Funcionamiento

(6) BYPASS: Allows bypassing of all filters.
(7) STORE: Press thrice for storing, "SV" will change to "SC" and then will disappear indicating
that changes have been stored.
(8) POWER SWITCH: Power ON/OFF the unit.

3.3 Combination Keys

o First press CHL, CHR (either one) without releasing, press the other one, this can activate or
deactivate left right channels' parameters.
o Press FILTER MODE and FILTER SEL simultaneously to enter auxiliary parameters menu
(NOISE GATE, HPF, LPF, Q, LED DISPLAY and SENSITIVE).
o To restore factory settings press FILTER SEL and STORE simultaneously during the startup
sequence. The word "RESET" will then be displayed.

3.4 Back Panel

(1) INPUT LEVEL: Can be adjusted to different operating levels rating from -20 dB to +4 dB.
(2) INPUTS: Each input possesses one XLR and one TRS. Each XLR and TRS is wired parallel
and can be used either balanced or unbalanced.
(3) OUTPUTS: Each unit possesses XLR and TRS inputs and outputs. Each XLR and TRS is
wired parallel and can be used either balanced or unbalanced.
(4) MAINS CONNECTOR / FUSE HOLDER / VOLTAGE SELECTOR: Before you connect the
unit, please make sure that the displayed voltage corresponds to your Mains supply.
(5) RS-232 port: You can link the unit to a PC via RS-232 port for firmware updates.
LS-320 Version 3.0
Fig 5. Back panel
Feed Back Suppressor
Page 7 of 12