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Chapter 6 Maintenance and Troubleshooting
6-2 Chapter 6 Maintenance and Troubleshooting
Regular Checks
Digital hours meter
The digital hours meter keeps cumulative counts of the
total operating time, the head drum rotation time, the
tape transport operating time, and the number of
threading/unthreading operations. These counts can be
displayed on the monitor screen and the time counter
display of this unit. Use them as guidelines for
scheduling maintenance.
In general, consult your Sony dealer about necessary
periodic maintenance checks.
Digital hours meter display modes
The digital hours meter has the following four display
modes.
• T1 (OPERATION) mode
The cumulative total hours during which the unit is
powered on is displayed in 10-hour increments.
• T2 (DRUM ROTATION) mode
The cumulative total hours of drum rotation with tape
threaded is displayed in 10-hour increments.
• T3 (TAPE RUNNING) mode
The cumulative total hours of tape transport operation
is displayed in 10-hour increments.
• CT (THREADING) mode
The cumulative number of tape threading/unthreading
operation pairs is displayed in 10-operation pair
increments.
For all modes except T1 (OPERATION), there are two
types of count: a “trip” count, which is resettable, and
the cumulative total from manufacture, which is
unresettable.
Displaying the digital hours meter
For details on menu operations, see Chapter 4 “Menu
Operations.”
1 Enter Menu mode by pressing the MENU key.
If MENU GRADE on the top menu is set to
BASIC, change it to ENH.
2 Highlight MAINTENANCE MENU by pressing
the V or v key, then press the b key.
The Maintenance menu is displayed.
SETUP MENU
MAINTENANCE MENU
HOURS METER
VERSION DISPLAY
3 Highlight HOURS METER by pressing the V or v
key, then press the b key.
The cumulative counts by the digital hours meter
are indicated on the monitor screen and the
character display.
Digital hours meter indications on the monitor
screen
All four counts (T1, T2, T3, and CT) are indicated on
the monitor screen.
HOURS METER
T1 00000 x10 HOURS
T2 0000/00000 x10 HOURS
T3 0000/00000 x10 HOURS
CT 0000/00000 x10 COUNT
T1 : OPERATION
T2 : DRUM ROTATION
T3 : TAPE RUNNING
CT : THREADING
The four-digit value to the left of the slash is the
resettable trip count, and the right value is the
cumulative total from manufacture.
Digital hours meter indications on the
character display
One of the hour indications appears on the character
display at a time. Use the V and v keys to change the
item displayed.
Initially, only the trip value appears. Hold down the b
key to display also the cumulative total from
manufacture, which will appear to the right of the trip
value and the slash.
Maintenance