Hours Meter - Sony DSR-300 Service Manual

3-2. HOURS METER

An hours meter is provided in the MENU mode.
The total operating time of the unit, total rotation
time of the drum, and total running time of the tape
are displayed on the window at the side.
It is recommended that this hours meter be used as a
reference for carrying maintenance.
Display the hours meter using the following method.
1. When the MENU switch on the side is pressed,
the following will be displayed.
<Display Example>
2. When the ADVANCE switch is pressed once,
the following will be displayed.
<Display Example>
3. Each time the SHIFT switch is pressed, the
display will change as follows.
A : DRUM RUNNING METER
B : TAPE RUNNING METER
C : OPERATION METER
201 : DRUM RUNNING METER
<Display Example: A>
This means that the total time the drum is
rotating is 150H.
4. To end the MENU mode, press the MENU
switch again.
Note: The hours meter data is preserved in the
nonvolatile memory (IC204) on the FP-
98 board. To replace the FP-98 board,
replace the nonvolatile memory (IC3) or
execute EEPROM ECHO BACK DATE
PRESET using maintenance menu No.
659. The data the last time the power
was turned ON will be written in the new
nonvolatile memory.
3-2
MENU switch
ADVANCE switch SHIFT switch
DSR-300/P(E)/V1