
EchoView
User’s Guide
18
Note:
For a fixed-system application, an external power source, the RAE
PowerPak, can be used as a substitute for the internal battery. Only
remove the external battery adapter in non-hazardous locations.
5.5
Buzzer (Audible Alarm) Off Indicator
The EchoView’s buzzer (audible alarm) can be turned off, so the LED
visible alarms flash but there is no sound when in alarm. The icon on the
main screen indicates its state.
Buzzer on
Buzzer off
5.6
Wireless Communication Indicator
The display employs an antenna icon to show wireless status. It is
located in the upper right corner of the display:
Signal strength is represented by vertical bars to the right of the antenna
icon. The greater the number of bars to the right of the antenna icon, the
better the connection quality.
Note:
An “X” indicates no signal is detected.
Signal
Strength
Indicator
No signal Full strength