TeachLogic Spectrum II User Manual page 23

IRH–30 HANDHELD TRANSMITTER
Compander Circuit
Pre-emphasis
IR Emitter Location
Transmission Angle
Current Consumption
Microphone Element
Battery
Battery Life
Housing
Dimensions
Weight
IRT-55 SAPPHIRE TRANSMITTER
Transmitting Diodes
Operating Range
Battery Discharge Indicator
Blue
Purple
Red
Flashing Red
Battery Used
Battery Life
External Power Charger
Transmission Angle
User Controls
Power Switch (push)
Mute Switch (push)
Mic Switch (3 position) +6db, Normal, -3db
Aux. Vol./Gain
Channel Select
External Aux. Input
Dimensions
Weight
Yes
50µS
Built-in
360º
330ma
Unidirectional, Dynamic
Two Rechargeable NiMH, 1.2v / 2400mAH
Approximately 6 Hours
Aluminum
10" L x 1½" Dia.
11.4 oz. (with batteries)
6
1,500 Ft ². 60 Ft. Line of Sight
Full
Medium
Low
Very Low Battery
Lithium-ion (3.7V / 620mAh)
Approx. 8-9 Hrs/Charge
DC +5V, Micro USB Connector
180° Conical
On/Off
On/Off
Increase, Decrease
(A or B) in battery compartment
3.5mm Stereo Line Level
3 ⅝" H x 1¼" W x ¾" D
1.4 oz. Including battery