Sony MVS-8000X User Manual page 201

In the device control block (search dial module), there is no such a mode
selection button and you can directly select a device.
Buttons used when the VTR/disk recorder/frame memory
operation mode is enabled
DELAY: Press this button, turning it on, to enter a delay value from the
STB OFF (standby off): Press this button to switch to standby off mode. This
REC (record): Press this button at the same time as the [Y] button to start
STOP: Press this button to stop the tape, disk or frame memory clip.
START TC (start timecode): Press this button to set the timecode of the start
STOP TC (stop timecode): Press this button to set the timecode of the stop
200
Control of VTRs, Extended VTRs, and Disk Recorders
Device control block in the VTR/disk recorder operation mode (trackball module)
numeric keypad control block.
button cannot be used for frame memory clip operations.
recording. This button cannot be used for frame memory clip operations.
point at that time. The timecode of the start point is updated to the current
time each time this button is pressed.
When the device the operation applies to is a VTR/disk recorder, the start
point updated by the setting of the [MENU] button is as follows.
When the [MENU] button is On: start point of the timeline
When the [MENU] button is Off: start point of Cueup & Play
point at that time. The timecode of the stop point is updated to the current
time each time this button is pressed.
When the device the operation applies to is a VTR/disk recorder, the stop
point updated by the setting of the [MENU] button is as follows.