Choosing Preamp Heater Options - Larson Davis SoundAdvisor 831C Reference Manual

9.13 Choosing Preamp Heater Options

SoundAdvisor Model 831C
common applications for this feature include, connecting a printer or a cellular modem to
the 831C.
Step 1.
To select properties for this feature on the meter, press Tools
Properties, then press the top-left softkey (
displays.
Step 2.
Select a signal trigger from the Logic Out drop-down menu. The Logic Out
signal is triggered by the following items:
Run/Stop
When the Logic Out is set to Run/Stop, the output is driven high when the 831C is running
and is driven low when it is stopped.
Event
When Logic Out is set to Event, the output is activated with an event trigger. To utilize this
state, you must purchase, install, and enable the Time History firmware option (831C-ELA)
on your meter.
To learn more about the Time History option, see
LEARN MORE
History" on page 120.
Marker
When Logic Out is set to Marker, a marker for sound recording is initiated, the output is
activated for the Recording Time as indicated in the setup. To utilize this state you must
purchase, install, and enable the Sound Recording firmware option (831C-SR) on your
meter.
To learn more about the Sound Recording option, see
LEARN MORE
831C Sound Recording" on page
Modem
When Logic Out is set to Modem, a connected modem (such as a Sierra Wireless™ cellular
modem), becomes active. This connection is particularly used in conjunction with the
Larson Davis NMS044/045 system. For more information, access the system reference
manual from LarsonDavis.com.
If a heater is detected as part of your chosen preamp, select your preference for the heater
control.
Step 1.
On the meter, press Tools
*//
) until the Other page displays.
(
Step 2.
Choose a setting from the Heater drop-down menu.
Enabled: The heater automatically turns on or off according to the humidity
•
and ambient temperature as shown in Figure 9-10. We recommend using this
setting.
152.
3
 System Properties, then press the left softkey

Choosing Preamp Heater Options

3

*//
) until the Other page
Module 16 "Using Time
Module 19 "Using
System
94