Technical data

Chapter 3: Overview
3.5 User Interface
• The User Interface of the SP40S Multi-Function Facility Communication System displays the basic status of the
unit as well as allowing for a limited amount of user controls. Table 3-1 identifies the pushbuttons and
indicators.
Message 1
Message 2
Message 3
Message 4
Message 5
Message 6
Message 7
Message 8
Figure 3-3 SP40S User Interface
Table 3-1. SP40S User Interface Pushbuttons/Indicators
Pushbutton or Indicator Description/Function
Message 1 - 8 (there are 8 messages, 1 through 8) Button manually actives Messages 1- 8. Illuminated steady
means contact closure is on a DV input. Illuminated blinking
means DV is activated via button push.
POWER ON indicator If illuminated, indicates SP40S is powered by primary or
secondary power.
SYSTEM TROUBLE indicator If illuminated, indicates the SP40S has a trouble.
AC TROUBLE indicator If illuminated, indicates primary power is low or has failed
and SP40S is running on secondary power.
ALARM ACTIVE indicator Indicates PTT MIC (push to talk microphone), AUX
(auxiliary), or DV (digital voice) has been initiated.
STROBE ACTIVE indicator Indicates the strobe circuit has been initiated.
TROUBLE SILENCE button Temporarily silences the audible trouble indicator.
RECORD button and indicator For message recording process, see section 6.3.
SP40S Multi-Function Facility Communication System Manual, Revision D
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