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10-4  Moisture Condensation / 10-5  Regular Checks
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10-4  Moisture 
Condensation
When the unit is suddenly moved from a cold to a warm 
location, or used in a very humid place, moisture from the 
air can condense on the head-drum.  This is called moisture 
condensation.  If the tape is run in this state, it can adhere 
to the drum and damage the tape.  To prevent this, the unit 
is provided with a moisture detecting function. 
If moisture condenses on the head-drum while the unit is 
in use, the ALARM indicator lights and “ERR-10” is 
displayed in the time data display.
If this happens, the drum and capstan motors stop and the 
cassette is automatically ejected.  Then, the drum starts to 
rotate again to dry its surface.  In this state, the unit is not 
operable.  When the moisture has evaporated, the error 
message disappears and the ALARM indicator goes off.
If “ERR-10” appears and the ALARM 
indicator lights immediately after powering 
the unit on
Leave the unit powered on and wait until the error message 
disappears and the ALARM indicator goes off.
While the indicator is lit, you cannot insert a cassette.
When the indicator goes off and the error message 
disappears, you can use the unit.
If you move the unit from a cold to a warm 
location
Leave the unit powered off for about 10 minutes, since it 
takes some time to detect moisture condensation in this 
state.
10-5  Regular Checks
10-5-1  Digital Hours Meter
The digital hours meter in the time data display can display 
seven items of information about the operational history of 
the unit in each corresponding mode.  Use it as a guide in 
scheduling periodic maintenance.
Display modes of the hours meter
H01: OPERATION mode
Displays the total number of hours the unit has been 
powered on in units of 1 hour.
H02: DRUM RUNNING mode 
Displays the total number of hours the drum has run with 
tape threaded in units of 1 hour.
H03: TAPE RUNNING mode
Displays the total number of hours the unit has been in fast 
forward, rewind, playback, search, recording or editing 
(except for stop and still) mode in units of 1 hour.
H04: THREADING mode
Displays the total number of times tape has been threaded 
in the unit.
H12: DRUM RUNNING mode (resettable)
Same as H02 except that the count is resettable.
This can be used as a guide in determining when to replace 
the drum.
H13: TAPE RUNNING mode (resettable)
Same as H03 except that the count is resettable.
This can be used as a guide in determining when to replace 
components such as fixed heads and pinch rollers.
H14: THREADING mode (resettable)
Same as H04 except that the count is resettable.
This can be used as a guide in determining when to replace 
components such as the threading motor.
R- 10
ER
ALARM indicator
“ERR-10” appears in the time data display.