User's Manual

MTH400 User Manual
Rev.01
7
The following table sums up which parameters can be set and the related range settings.
MENU
PARAMETER
MEANING
RANGE SETTINGS
TUNING
CH
Channel
0 ÷ 59
GR
Group
0 ÷ 39 + SYNC GROUP
Freq
Frequency
It depends on the MTH400 Model:
1 470-640
2 566-798
AUDIO
AF Gain
Gain of the
audio signal
-20dB ÷ 40dB step of 1 dB
Phase
Audio signal
phase
0° or 180°
Noise R.
Noise reduction
ENR: Wisycom Extended-NR,noise optimized
ENC: Wisycom Extended-NC,voice optimized
HP
High Pass filter
Flat/60/80/120/170/250/400 Hz
RF/BATTERY
RF Power
RF Power
High (50 mW ERP) or
Low (10 mW ERP)
Battery
Battery type
Alkaline or NiMH
PTT/LED
Led Light
Power switch
green
brightness
0 ÷ 16
PTT Mode
It defines how
and what
information the
transmitter has
to send
Disable:when the PTT button is pushed, nothing
happen. (the transmitter sends AF+Tone
squelch)
Normal: when the PTT button is pushed, the
transmitter send a different RF signal. According
to the receiver configuration the audio can be
enabled/disable on LINE (and/or COM).
Muting: the transmitter doesn’t send the audio.
The voice is cut, it doesn’t enter to the
microphone
No Data: the transmitter sends neither tone
squelch nor battery data.
Led Mode
It defines when
the power
switch led (see
Fig. 3) has to
become RED
None: never
ModPeak: when audio get close to saturation
PTT: when the PTT button is pushed