Hetronic MFSHL915 Users Manual

User’s Manual

MFSHL915

Handheld Transmitter

1. DESCRIPTION

The MFSHL-915 Handheld Transmitter has a coder board with 24 digital channel inputs. Four of the
inputs can be used for a gray code trigger. It includes a Low Voltage Indicator (LVI) warning, 1%
duty cycle, and 2 seconds turn off time. It also includes switch detection on power up to ensure that
no switch is active when the battery is inserted. The RF section uses FM-RF with 915MHz frequency
and 76800 baud rate.

Note: Operation is subject to the following two conditions: (1) this device may not
cause interference, and (2) this device must accept any interference that may cause
undesired operation of the device.

2. TECHNICAL SPECIFICATIONS

Temperature Range -20o to +70o Celsius
Supply Voltage Range 2-5 VDC
Supply Current 42mA max

28mA for 5 seconds on startup

Outputs RF-Data

2 LED
Inputs 24 digital
RF Specifications
Frequency 915.0 MHz
Modulation FM-Binary FSK
Deviation 64KHz
Output Power 5dBm

Note: The user is cautioned that changes or modifications not expressly approved by
the party responsible for compliance could void the user’s authority to operate the
equipment.