Panasonic Digital Hd Video Cassette Recorder Ajhd1700 Operating Instructions

121
Error messages
Display•Description
•VTR operation and remedial action
T REEL
TORQUE ERRIf an abnormal torque applied to the take-up reel motor
is  detected,  the  AUTO  OFF  lamp  lights,  and  the
message display blinks.
VTR:Stops.
• Set the POWER switch to OFF and then back to ON
again.
S REEL
TORQUE ERRIf an abnormal torque applied to the supply reel motor
is  detected  or  if  an  abnormal  current  flowing  to  the
current-sensing  resistor  is  detected,  the  AUTO  OFF
lamp lights, and the...

122
The  VTR  can  be  operated  by  commands  when  the
RS-232C interface is used.  (Refer to the command
tables on page 125 and 126.)
∫
Condition for acknowledging
commands from RS-232C interface
Setup menu item No.204 (RS232C SEL): ON
If  the  above  condition  is  not  met,
[ACK]+[STX]ER001[EXT] is returned to the external
component.  Whether [ACK] is returned depends on
the setting which has been selected for setup menu
item No.209 (RETURN ACK).
Hardware specifications
External interface...

123
Software specifications (protocol)
1.Communication parameters
RS-232C interface
Communication
system Asynchronous, full duplex
Transfer rate300, 600, 1200, 2400, 4800 or 9600bps
Bit length 7 bits or 8 bits
Stop bit 1 bitor 2 bits
Parity bit None, odd or even
ACK codeReturnedor not returned
  
ACK  is  the  code  which  is  returned  from  the
VTR  to  the  controller  when  data  has  been
successfully sent from the controller.
The underlining (__) denotes the factory setting mode.
Communication...

124
RS-232C interface
3. Return format 
[VTR >
controller (PC)]
The  following  responses  are  made  to  the
commands.    If  necessary,  more  than  one
response is made.
∫
When  the  communication  has  ended
successfully
1. The receive completion message is returned.
[ACK]
06h
2. The  execution  completion  message  is
returned.
[STX] [command] [data] [ETX]
02h XX XX XX XX.....
XX 03h
[command]:
This is the message (data) which is returned
or  the  execution  completion  message
identifier.
[data]:...

125
RS-232C interface
5. Command table
∫
Commands relating to operation control
 
• As the return (completion) message, [ACK] is
returned  when  data  is  received,  and  only  the
execution  message  which  is  subsequently
returned is listed in the table.
• If a command not listed in the table is received,
ER001  (invalid  command)  is  returned  after
[ACK].
VTR
operationSend command
STOP[STX] OSP [ETX]
45[STX] OSP [ETX]
This command is for stopping the tape transport.
The resulting output picture and...

126
RS-232C interface
∫
Commands relating to inquiries
 
• In  terms  of  the  return  (completion)  message,
[ACK] is returned when data is received, and
only  the  execution  message  which  is
subsequently returned is listed in the table.
• In the case of commands not listed in the table
below,  ER001  (invalid  command)  is  returned
after [ACK].
VTR
operationSend command
CTL/TC DATA
REQUEST[STX] QCD [ETX]
45[STX] CD data [ETX]
This command is for inquiring about the counter
value.
data = f w gh mm...

127
RS-232C interface
∫
Microsoft QuickBASIC sample program
CLS
STX$ = CHR$(&H2): ETX$ = CHR$ (&H3): NAK$ = CHR$(15): ACK$ = CHR$(&H6)
PRINT *** RS-232C COMMUNICATION SAMPLE PROGRAM ***
PRINT Type Command QUIT to quit.
PRINT
REM *** Communication Port Initial & Open ***
REM Port 1,9600Bps,No parity,8 bit data,1 stop bit
OPEN COM1:9600,N,8,1 FOR RANDOM AS #1 LEN = 256
REM *** Input Command & Send Command ***
SendCmd:
INPUT Input Command =; SEND$
IF SEND$ = QUIT THEN GOTO ProgEnd
PRINT #1, STX$ + SEND$ +...

128
Connector signals
VIDEO IN
HD SERIAL IN
(DIGITAL)BNC k1, active-through (BNC k1)
HD REF IN
BNC k2,  loop-through,  75™
termination
switch provided
SD REF IN
BNC k2,  loop-through,  75™
termination
switch provided
SD SERIAL IN
(DIGITAL)BNC k1, active-through (BNC k1) (board,
option)
SDTI IN
BNC k
1 (board, option)
VIDEO OUT
HD SERIAL OUT
(DIGITAL)BNC k 4
SD SERIAL OUT
(DIGITAL)BNC k 2
VIDEO OUT
BNC k 3
HD REF OUT
BNC k 1
SD REF OUT
BNC k 1
SDTI OUT
BNC k1 (board, option)
AUDIO IN
HD SERIAL IN...

CUE INPUT IMPEDANCE SW
This sets the CUE input impedance.
HIGH/600™
129
Connector signals
PARALLEL REMOTE (50P )
Refer to 50P IN/OUT ASSIGN on the function menu
(page 75) for the connection pin signals.
ENCODER REMOTE(15P)
Pin No. Signal
1FRAME GROUND
4REM (G)
7REM RX (X) 
REMOTE CONTROL PROTOCOL RECEIVE
8REM TX (X)REMOTE CONTROL PROTOCOL TRANSMIT
14REM RX (Y)
REMOTE CONTROL PROTOCOL RECEIVE
15REM TX (Y)REMOTE CONTROL PROTOCOL TRANSMIT
RS-232C 
(D-SUB 25-pin, crossover cable supported)
Pin No. Signal...

130
[GENERAL]
indicates the safety information.
Power supply:  AC 100–240V, 50–60 Hz (AJ-HD1700P)
AC 100–240V, 50–60 Hz (AJ-HD1700E)
Power consumption: 240W
Operating ambient temperature: 
41x
F to 104x
F (5x
C to 40x
C)
Operating ambient humidity: 
10% to 80% (no condensation)
Weight: 
Approx. 48.4 lbs (22 kg)
Dimensions (W k
H k
D): 
16-3/4 (max. 17-3/16 ) k
6-15/16 k
17-11/16 inches 
(not including supporting feet, jacks and connectors, JOG
dial and fan)
424 (max. 435.4) k
175.2 k
448.9 mm
Recording...