Ir & Flexlist; Getfrq; Sendfrq; Getall - Lectrosonics Duet DCHT/E09-A1B1 Instruction Manual

DCHT, DCHT/E01, DCHT-B1C1, DCHT/E01-B1C1, DCHT-941, DCHT-961, DCHT/E09-A1B1
IR&Key Menu

GetFrq

Sync to receive (get) frequency from the M2R transmitter
via the IR port

SendFrq

Sync to send frequency to the M2R transmitter via the IR
port
GetFrq SendFrq
Sync Sync

GetAll

Sync to receive (get) all available settings from the M2R
transmitter via the IR port, including the performer's
name, (or whatever name the user chooses for the DCHT,
DCHT/E01), frequency, mixer settings and limiter set-
tings.
NOTE: The GetAll function is designed for trouble shoot-
ing and allows for settings to be cloned to transfer to
another receiver if there is a problem to be identified. Not
all copied settings are available on the DCHT, DCHT/E01.

SendAll

Sync to send all available settings to the M2R transmitter
via the IR port, including the performer's name, (or what-
ever name the user chooses for the DCHT, DCHT/E01),
frequency, mixer settings and limiter settings.
NOTE: The SendAll function is designed for trouble
shooting and allows for settings to be cloned to transfer
to another receiver if there is a problem to be identified.
Not all settings are available on the DCHT, DCHT/E01.
GetAll SendAll
Sync Sync
Encryption Key Management

KeyType

The encryption system in Lectrosonics Digital modes
D2, DCHX, and HDM may be configured in four differ-
ent ways, determined by a parameter known as the Key
Type. The four key types range from least secure but
most convenient, to most secure but least convenient.
Below are descriptions of the four Key Types and how
they work.
12
Press the arrow
button to begin sync
Press the arrow
button to begin sync
• Universal: This is the default key type, the sim-
plest to use, and the least secure. While encryp-
tion is technically being performed and a scanner
or simple demodulator would not reveal the signal
content, communications are not truly secure. This
is because all Lectrosonics products employing
the Universal key type use this same "universal"
encryption key. With this key type selected, keys
do not need to be created or exchanged, and wire-
less devices can be used without attention to the
encryption feature.
NOTE: When the DCHT is set to Universal
Encryption Key, Make Key, Wipe Key and Share
Key will not appear in the menu.
• Shared: This is the easiest encryption mode to
use while employing a uniquely generated key. This
key type offers excellent security and considerable
flexibility. Once a key has been created, it can be
shared an unlimited number of times with any com-
patible device which, in turn, can also share the
key. This is especially useful when multiple receiv-
ers may need to pick up various transmitters.
• Standard: The Standard key type offers enhanced
security, at the cost of some complexity. Standard
keys are "instance controlled", which allows the
hardware to protect against "differential attacks".
A Standard key can only be sent by the device that
created it, and only up to 256 times. Unlike with
Shared keys, devices receiving a Standard key
cannot pass it on.
• Volatile: The Volatile key type is the most secure,
and also the least convenient to use. Volatile keys
behave identically to Standard keys, except that
they are never stored. Equipment which is turned
off while using a Volatile key will come back on
with no key. If a key-generating device is left on,
the key can be re-shared with units in the system
that have lost their keys. Once all equipment hav-
ing used a given Volatile key is powered off, that
key is effectively destroyed. This may be required
in some highly secure installations.
MakeKey
When the transmitter key type is set to Volatile, Standard
or Shared, use this menu item to create a unique key that
can be synced with an encryption capable receiver.
WipeKey
This menu item is only available if there is a key currently
on the DCHT that can be deleted. Select Yes to wipe the
current key and enable the DCHT to create a new key.
Key... WipeKey?
KeyType
MakeKey
WipeKey
No
Yes
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