ASL INTERCOM VAR4 - 2 VAR Router Operation; VAR Router Front Panel; Indicators

VAR4 / VAR12 / VAR20 - Operation Manual
sue: 03 complete, approved ed Is
Page 10 of 308 Page 10 of 308
2 VAR Router Operation 2 VAR Router Operation
The VAR Router is entirely automatic in operation. No manual operating procedures apply to normal
operation.
The VAR Router is entirely automatic in operation. No manual operating procedures apply to normal
operation.
2.1 VAR Router Front Panel 2.1 VAR Router Front Panel
The VAR Router provides a menu-driven interface, and contains keys used to navigate the display menus.
The controls and indicators forming this user interface are described in the following sections.
The VAR Router provides a menu-driven interface, and contains keys used to navigate the display menus.
The controls and indicators forming this user interface are described in the following sections.
2.1.1 Indicators 2.1.1 Indicators
Figure 1 VAR Router LCD Display and LEDs Figure 1 VAR Router LCD Display and LEDs
1 3 2
4 5
Table 2 VAR Router Front Panel Indicators Table 2 VAR Router Front Panel Indicators
Indicators Indicators Description Description
1
LCD Display 2 x 40 backlit alphanumeric display. Used to display the control menu, faults,
and configuration data.
2
power (green LED) Lit only if the VAR Router is receiving DC power from both sources.
3
processor (green LED) Flashes to show that the processor is healthy.
4
comms (green LED) Lit to indicate communication activity between the main processor and the
amplifier units.
Flashes on receipt of a message from an amplifier unit.
5
fault (amber LED) Lit to indicate that the VAR Router has detected a system fault.
Flashes if a fault has not yet been accepted.