Listen Technologies LT-700-150 Gas Heater User Manual


 
5
LT-700 Quick Reference
LT-700 Front
3.5 mm Input Jack
A Listen microphone or line
level cable connects here.
MUTE / TALK switch
(more information on page 9)
Power Switch
Press PWR switch to turn
unit on. Press and hold
to turn unit off. When in
PROGRAM mode, this switch
is used to toggle the lock out
(L/O) mode for a channel.
Press and hold both buttons for 5
seconds to enter PROGRAM mode.
The PGM icon will appear in the
display. To exit PROGRAM, let unit
sit idle for 5 seconds.
Use UP and DOWN buttons to
select a channel. Press and hold
either button for 5 seconds to lock
the channel. Press and hold either
button again to unlock.
Look & Listen Display™
The display shows level, channel,
battery status, PROGRAM mode,
whether a channel is locked, and
whether a channel is locked out
from selection (PROGRAM mode).
See close-up below.
150
When dots are illuminated, the
microphone is active. If this
display does not appear, the
microphone is muted.
Indicates the
currently tuned
channel
Indicates the unit is in
PROGRAM mode. To enter
PROGRAM mode, press and
hold the UP and DOWN keys
until the PGM icon appears in
the display. To exit PROGRAM
mode, let the unit sit idle for 5
seconds.
If the padlock icon is
visible, the channel is
locked. Press and hold
either the UP and DOWN
button for 5 seconds to
lock or unlock.
When in the PROGRAM
mode, L/O indicates
whether a particular
channel is locked out.
Battery level indicator. The indicator
flashes, along with the red LED on top of
the unit, to alert you when the
battery is low and needs to be charged
or changed. (see information below)
All three segments
showing: The batteries
are at 50% or greater
capacity.
One segment showing:
Your batteries less than 25% capacity.
When this segment begins flashing
along with the LED on top of the unit,
you should immediately change your
batteries or recharge them (if using
NiMH batteries).
Two segments showing:
The batteries are at
25-49% capacity.
LT-700 Battery Indicator
LT-700 Look &
Listen Display