General controls and indicators, Figure 2a: top view, Figure 2b: bottom view – Interquartz IQ750 User Manual
Page 11: Figure 2a: top view figure 2b: bottom view

11
Reversed headset
polarity
Normal headset
polarity
HEADSET JACK
MOUNTING HOLES FOR
IQ235 WALL BRACKET
RINGER PITCH
CONTROL
RINGER VOLUME
SWITCH
VOLUME SLIDER
HANDSET JACK
BATTERY COMPARTMENT
(OPTIONAL BATTERIES NOT
SUPPLIED)
HEADSET MIC
ADJUSTMENT CONTROL
HEADSET POLARITY
SWITCH
LINE JACK
9V ADAPTOR JACK
RINGER/MESSAGE WAITING INDICATOR
CLEAR KEY
TIMER KEY
RESET KEY
MEMORY PROTECTION SWITCH
DIRECTORY KEY
DIAL KEY
REDIAL KEY
PAUSE KEY
STORE KEY
DIRECT ACCESS
MEMORY KEYS
HANDSFREE/HEADSET KEY AND INDICATOR
MUTE KEY AND INDICATOR
RECALL KEY
CALLER KEY WITH NEW CALL INDICATOR AND
CENTREX MESSAGE WAITING INDICATOR
DISPLAY
3. GENERAL CONTROLS AND INDICATORS
FIGURE 2A: TOP VIEW
FIGURE 2B: BOTTOM VIEW
CURSOR KEYS ( AND )
SCROLL KEY ( AND )