TC electronic SDN BHD D22 - Manual (Page 22)

UTILITY
20
RS485 CTRL.
Remote control of Preset change, Delay time and Bypass is
implemented in the D22 by using a RS485 controller.
All remote control capabilities are enabled/disabled by the
REMOTE key. All displays and key states are updated according
to incoming remote control info, i.e. the Delay time on the Recall
page is always indicating the actual Delay.
The command structure for a Program change is:
#AA,<PRE>,<NUM><CR>
The command structure for changing Delay time is:
#AA,<DEL>,<delay in current mode><CR>
The command structure for changing Bypass mode is:
#AA,<BYP>,<0/1><CR>
CR=ASCII 13
Pinout of the 5-pin DIN connector:
(All three connectors carry the same RS485 I/O capability)
Data + : Pin no 3
Data -
: Pin no 1
Common : Pin no 2 (Only on Thru and output connectors.)
Program Change
The RS485 implementation in the D22 is a
“command receive only” type.
On : Program changes from a RS485 controller will be
recognized.
Off : Program changes from a RS485 controller will be
ignored.
Address
The D22 unit RS485 address number.
Memory Backup
RAM to Card - Press OK
This action will dump all presets to the RAM card.
WARNING ! All previous information on the card will be
destroyed.
RAM Protect - ON/OFF
Turn the ADJUST wheel to activate the RAM protect function.
With the RAM protect function activated you can not delete or
overwrite RAM presets.
Card to RAM - Press OK
Copies all presets from the PCMCIA card to the internal RAM
bank.
Note! All presets in the internal RAM bank will be deleted.
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GPI - (External Input)
Use a:
Digital Fader
- for digital fade on the Output.
Momentary switch - for tap Delay time
Alternating switch - for activating/deactivating Bypass mode.
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Meter
Selects whether the meters should show Input or Output levels.