Level Calibration - Nakamichi 1000 Operating Instructions Manual

Level Calibration
Dolby NR Level Calibration
The Dolby NR standard level (200 nW/m)
of the Nakamichi 1000 is set to 0 dB.
Particularly, when you record with Dolby
NR "In" adjust the OdB signal of the built-in
400 Hz Test Tone to OdB according to each
of the tapes to be used.
'
© Set the position of the Tape Selector
Switch according to the type of the tape in
DRL = DOLBY NR MONITOR
aN uN TAPE use.
Aeonioo sen DOLBYNR MONITOR
iN TAPE
Cy
iA
ouT SOURCE
@ Set the "Monitor Switch" to 'Tape'.
@ If away from OdB, adjust the Tone Cal
Level to obtain the accurate OdB.
If the levels are not within 1 4B of "O
dB", adjust the appropriate Level
Calibration Controls (Left or Right, EX or
SX) clockwise or counter-clockwise (Fig.
A or Fig. B) to obtain a O dB reading
on both meters.
Note:
The recorder must be in the record mode
with the "Monitor" switch in the "Tape"
position in order to perform this calibration.