4.7 - Hand-held Terminal SPC-1000
M2007/3en
TCT-2301 Operating instructions
77
©BTG 2004
The AC adapter’s 12 V connection is a socket located on top of the ter-
minal. This is marked ”PWR”. (12 V DC/0.4 A AC adapter, DC jack with
2 mm connection pins.) The + connection goes to the casing and the –
connection goes to the center pin.
The display lighting also comes on when the 12 V power supply is used.
9 V DC supply from an integral battery.
The battery power supply is used, for example, when the terminal is con-
nected to the 4 - 20 mA signal loop at a location other than at the elec-
tronics box.
An internal standard 9 V DC battery is located behind a cover on the back
of the terminal. To provide maximum operating time, a type 6F22 high-
power alkaline 9 V DC battery should be used. A battery of this type will
operate for approximately 3 hours.
!
Switch off the terminal immediately after use to maximize operating
time.
Rechargeable batteries or manganese batteries provide much shorter op-
erating times. Display lighting does
not
come on in battery mode in order
to maximize battery life and operating time. Display readability is how-
ever sufficient in normal room lighting.