LT-700 Inside Access Door
Mic Sensitivity 
Switch
Battery Select
Switch
SQ Switch
Mic Sensitivity Switch - it arrives set at MED, which will work for most microphones. If your mic level is too low, change the switch to HI; if the level is too high, switch to LO. (see page 7 for more information)
Battery Select Switch - place in NiMH position ONLY if you are using Nickel Metal Hydride batteries, otherwise, leave it in the Alkaline position.
SQ Switch: shipped in the ON position, use a screwdriver or pen to slide to the OFF position if needed. You should turn SQ off if you are using any non Listen receiver or older Listen receiver that does not have the SQ feature. (see page 14 for more information)
LT-700 Top of Unit
MUTE / TALK switch - this mutes the mic only and not the line input when in the mute position.
LED indicators:
Steady Red: Normal operation
Slow Flashing: Battery is low
Slow Flashing while charging: Unit is charging
Fast Flashing: Mute
3.5mm Input Jack 
A microphone or line level cable connects here.
A Note on Charging NiMH Batteries
If you are using NiMH batteries in any Listen product, you should allow adequate time for the charger (charging case or
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