User Manual

V-4B Bass Guitar Amplifier
6
The Front Panel continued...
STANDBY POWER
MODEL
V-4B
0 dB -15 dB GAIN MASTERMIDRANGE TREBLEBASS
ULTRA LO 800 HZ 3OOO HZ220 HZ ULTRA HI
EQUALIZATION
0
+
01 2 3
+
CUT BOOST
1 2 3 7
4
8
5
9
6
10
11
12 13
11. STANDBY/POWER LED: This is a
multi-function LED. In Standby mode,
it glows red and in the On mode it
glows green.
12. STANDBYSWITCH: Use this switch to
turn the standby power on or off. Press
the top of the switch to turn the standby
on. The standby mode allows the tubes
to warm or remain warm without high
voltage being applied to them. This
extends tube life. This switch should be
OFF when first turning the amplifier on.
Allow the unit to warm up for at least
60 seconds before switching to the ON
position. During short periods of
non-use, the amp should be put into
standby mode.
13. POWERSWITCH: Use this switch to
turn the overall system power on or off.
Press the top of the switch to turn on
the power. The power switch should be
engaged prior to the standby switch (as
mentioned to the left, #12).