VCR Setup CommandsR/P SPEED SET (7EH)

Sets the recording/playback speed.

Send 3 bytes of numeric data (30H to 39H) after the R/P SPEED SET (7EH) command and then send the end command (40H).

Example: Setting the speed to 24H

RXD

7E

 

30

 

32

 

34

 

40

 

 

TXD

0A

 

0A

 

0A

 

0A

 

0A

 

COUNT RESET (E2H)

Resets the counter.

CLOCK ADJUST (E0H)

When this command is sent during stop, it resets the minute and second to 00 . For example, when this command is sent between 13:30:00 and 14:29:59, the clock is reset to 14:00:00.

TRACKING UP (50H) Sets the tracking one step up.

When this commend is sent during pause, it sets the vertical alignment one step up.

TRACKING DOWN (51H)

Sets the tracking one step down.

When this commend is sent during pause, it sets the vertical alignment one step down.

TRACKING CENTER (52H)

Sets the tracking to the neutral position (center).

Menu Setup CommandsMENU (74H)

Displays the menu.

MENU V (64H)

Shifts the cursor on the menu to the item below. Moves the date/time display down wards.

MENU B (63H) Displays the sub-menu.

Moves the date/time display rightwards.

MENU + (65H)MENU – (66H)

Changes the setting of the selected item.

MENU RESET (E1H)

Resets menu settings.

VCR Status Commands

When the VCR status commands are entered, the VCR responds with the information (data) about each command.

COUNT CODE (D0H)

In response to this command, the VCR returns the counter value by 6 bytes.

Example: For –1:23:45, 31H, 31H, 32H, 33H, 34H, 35H will be returned.

30H indicates + and 31H indicates –.

RXD D0

TXD

31

 

31

 

32

 

33

 

34

 

35

 

VCR INQUIRY (FB)

Confirms that the connected equipment is a VCR. The VCR returns ACK (0A).

HEAD TIME (D2H)

In response to this command, the VCR returns the operation time of the video heads by 5 bytes. Example: For 00333, 30H, 30H, 33H, 33H, 33H will be returned.

RXD D2

TXD

30

 

30

 

33

 

33

 

33

 

POWER TIME (D3H)

In response to this command, the VCR returns the power on the by 5 bites.

Example: For 00777, 30H, 30H, 37H, 37H, 37H will be returned.

RXD D3

TXD

30

 

30

 

37

 

37

 

37

 

T/L STATUS SENSE (D6H)

In response to this command, the VCR returns its status by 5 bytes.

(See “T/L STATUS SENSE (D6H) bit allocation” for details.)

STATUS SENSE (D7H)

In response to this command, the VCR returns its operating mode by 5 bytes.

( See “STATUS SENSE (D7H) bit allocation” on page 53 for details.)

51