Sekonic ST-50M - Chapter 3. Preparation for Measurement (Continued); Connecting the AC Adapter

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
Pen replacement mode
①
Turn ON the power switch, then press the
【▼】
and
【
EN-
TER
】
keys together.
②
The
『
MODE
』
indication appears and
『
PEn
』
blinks in the
LCD.
③
The
『
PEn
』
will stop blinking when the temperature
recording pen and the humidity recording pen get posi-
tioned on the chart paper, 25 mm from the left side and
25 mm from the right side, respectively.
④
See the paragraph “Setting (Replacing) pen” to replace
the pen.
⑤
To return to the normal measurement screen, press the
【▼】
and
【
ENTER
】
keys together again.

Connecting AC adapter
To use the AC adapter, connect it to the AC adapter ter-
minal on the side panel of the body. While the AC adapter
is used, the
『
AC
』
indication is displayed as shown in the
figure. If it is used together with battery, the priority will be
given to the AC adapter. In this case, the battery will be a
backup if the power supply is cut o due to a power failure.
CAUTION
When the AC adapter and the battery are used togeth-
er, disconnect the AC adapter periodically to check the
battery life on the LCD screen.

Connecting extension cable
To separate the sensor from the body for remote measure-
ment, use the extension cable. Three types of cables, 5m,
20m and 50m long are available.
①
Remove the clamp for the sensor cord from the body.
②
Disconnect the sensor connector, then connect the ex-
tension cable.
③
Fix the extension cable with the clamp.
CAUTION
Before connecting the extension cable, be sure to
turn OFF (
【
】
) the power switch.
Sensor
Extension cable
Clamp
Sensor connector