Illuminators; Transformers - Leica M-Series User Manual

Illuminators

Transformers

Follow the safety instructions given on page 4.
Leica transformers may only be opened by authorized
service personnel, and the power cable must be
disconnected beforehand. The transformers are not
to be used outdoors.
Regulating transformer
The 0–7V/40VA transformer powers the:
– 6V/10W and 6V/20W lamps
1 Voltage selector
2 Connections for two lamps
(maximum combined loading 40W)
3 Connection for power cable
4 Fuse holder F1.0A
5 Power switch
I on
off
6 ON display:
Instrument is switched on
7 Regulating knob
8 6V display: The maximum voltage has been reached.
Operation
Connect the power cable to the socket and to the power
supply.
Connect the lamp. The sockets accept two lamps with
a maximum combined loading of 40W.
26
Set the available voltage on the
voltage selector.
– Position 115 for 110V–120V
– Position 230 for 200V–240V
5
2
2
Switching on and off
You can prolong the life of your bulb if you:
first switch off the lamp by turning the rotary knob into the
black range
and only then switch the transformer on or off.
7
6 8
3
1 4 4
Turn on the power switch.
The diode shines.