37
9 Annexe
9.3
Record of changes
Version 4.2
z
Display:
set to sensitivity ranges 1 – 10, 1 – 100, 1 – 1000,
switch via magnifying-glass key
z
Factory settings:
sound protection functions only active at mid-
dle threshold. This threshold is active after renewed power-up.
z
Band filter acc. to micro type
(manually adjustable to
9,950 Hz):
BO-4:
50 – 1500 Hz
T-4:
50 – 3000 Hz
EM30, M01:
50 – 9950 Hz
z
Pre-amplification
matched to micro-types
Version 5.0
z
Radio microphones usable
z
If the accu-voltage is lower than the accu-nominal voltage, the
device is being recharged.
z
The version number of the software is displayed on switch-on.
Version 5.2
z
Marker for system Combiphon (max level is stored)
z
Version with battery power possible
Version 7.0
z
Use of new hardware resulting in a weight reduction from 1.4
to 1.0 kg.
z
In this version, the programme is stored in a flash memory and
no longer in a EPROM.
z
Quick charging due to NiMH-accumulators.
z
The lowest level of the band-pass filter is set from 50 Hz to
1 Hz. This allows for hearing even lower frequencies.
