3.2 Power supplies SPM-32A ... SPM-36A
3-2
You will find the contrast control in the hole in the lefthand
side of the set. You can adjust the control with a thin
screwdriver. Set the contrast so that
– the lettering is clear and
– the background grid can scarcely be seen
3.2 Power supplies
The instruments can use one of four types of power supply:
– an a.c. adapter/charger
– two 9 V dry batteries
– two rechargeable batteries (NiMH)
– the BAZ-33 battery pack. Note the operating instructions
for the BAZ-33 battery pack.
3.2.1 AC line power
The LNT-2 AC Adapter/Charger Unit, BN 2071/90.02
1
is
designated for powering the instrument from the a.c.line.
• Plug the charger cable jack into the socket on the right-
hand side of the instrument.
• If batteries or NiMHs are fitted, plugging and unplugging
the charger cable will not interrupt the power supply to the
unit. Power will always be drawn from the a.c. adapter/
charger when it is plugged into the instrument.
1 see section 2: Safety information
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