The circuitry for power input, amplification, and output switching are located elsewhere, typically in a control panel.
An onboard preamp is controlled by bass/treble boost rollers and an on/off switch located on the top control panel.
The 402 and 403 were primarily controlled by a removable control panel.
The main advantage is that it can be directly shown on the control panel in the control room.
The monitoring screen is located over a control panel used to control the minelaying operations.
Using a series of levers or buttons on the checkwriter's control panel, the operator enters the monetary amount of the check.
Relocation of the pumping station and control panel has cost £26,000.
They were at the back of the control panel and could not be seen.
